File: 0100-Neapolitan-experimental-2.5-ppm-clock-in-schematic.patch

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hackrf 2015.07.2-11
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area: main
in suites: stretch
size: 69,764 kB
ctags: 9,327
sloc: ansic: 13,907; python: 696; vhdl: 218; sh: 32; makefile: 15
file content (3301 lines) | stat: -rw-r--r-- 88,240 bytes
From 522374f17de3b1899bf0e23904f11eebe6121008 Mon Sep 17 00:00:00 2001
From: Michael Ossmann <mike@ossmann.com>
Date: Mon, 5 Sep 2016 14:57:42 -0600
Subject: [PATCH 100/111] Neapolitan: experimental 2.5 ppm clock in schematic

---
 hardware/neapolitan/baseband.sch         | 240 ++++----
 hardware/neapolitan/frontend.sch         | 364 ++++++------
 hardware/neapolitan/mcu.sch              | 948 +++++++++++++++++++------------
 hardware/neapolitan/neapolitan-cache.lib |  16 +
 4 files changed, 902 insertions(+), 666 deletions(-)

diff --git a/hardware/neapolitan/baseband.sch b/hardware/neapolitan/baseband.sch
index 28dba63..a84e9ae 100644
--- a/hardware/neapolitan/baseband.sch
+++ b/hardware/neapolitan/baseband.sch
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 U 1 1 5281B737
 P 1600 2800
-F 0 "#PWR0136" H 1600 2800 30  0001 C CNN
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 F 1 "GND" H 1600 2730 30  0001 C CNN
 F 2 "" H 1600 2800 60  0000 C CNN
 F 3 "" H 1600 2800 60  0000 C CNN
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 P 700 6500
-F 0 "#PWR0137" H 700 6500 30  0001 C CNN
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 F 1 "GND" H 700 6430 30  0001 C CNN
 F 2 "" H 700 6500 60  0000 C CNN
 F 3 "" H 700 6500 60  0000 C CNN
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 P 850 6500
-F 0 "#PWR0138" H 850 6500 30  0001 C CNN
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 F 1 "GND" H 850 6430 30  0001 C CNN
 F 2 "" H 850 6500 60  0000 C CNN
 F 3 "" H 850 6500 60  0000 C CNN
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 U 1 1 5281C9C1
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-F 0 "#PWR0139" H 1000 6500 30  0001 C CNN
+F 0 "#PWR94" H 1000 6500 30  0001 C CNN
 F 1 "GND" H 1000 6430 30  0001 C CNN
 F 2 "" H 1000 6500 60  0000 C CNN
 F 3 "" H 1000 6500 60  0000 C CNN
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-F 0 "#PWR0140" H 1150 6500 30  0001 C CNN
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 F 1 "GND" H 1150 6430 30  0001 C CNN
 F 2 "" H 1150 6500 60  0000 C CNN
 F 3 "" H 1150 6500 60  0000 C CNN
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 U 1 1 5281C9DD
 P 1300 6500
-F 0 "#PWR0141" H 1300 6500 30  0001 C CNN
+F 0 "#PWR96" H 1300 6500 30  0001 C CNN
 F 1 "GND" H 1300 6430 30  0001 C CNN
 F 2 "" H 1300 6500 60  0000 C CNN
 F 3 "" H 1300 6500 60  0000 C CNN
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-L GND #PWR0142
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 U 1 1 5281C9EB
 P 1450 6500
-F 0 "#PWR0142" H 1450 6500 30  0001 C CNN
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 F 1 "GND" H 1450 6430 30  0001 C CNN
 F 2 "" H 1450 6500 60  0000 C CNN
 F 3 "" H 1450 6500 60  0000 C CNN
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 U 1 1 5281C9F9
 P 1600 6500
-F 0 "#PWR0143" H 1600 6500 30  0001 C CNN
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 F 1 "GND" H 1600 6430 30  0001 C CNN
 F 2 "" H 1600 6500 60  0000 C CNN
 F 3 "" H 1600 6500 60  0000 C CNN
@@ -1582,10 +1582,10 @@ F 4 "DNP" H 1750 6250 60  0001 C CNN "Note"
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 U 1 1 5281CA07
 P 1750 6500
-F 0 "#PWR0144" H 1750 6500 30  0001 C CNN
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 F 1 "GND" H 1750 6430 30  0001 C CNN
 F 2 "" H 1750 6500 60  0000 C CNN
 F 3 "" H 1750 6500 60  0000 C CNN
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 U 1 1 5281CEF2
 P 1900 6500
-F 0 "#PWR0145" H 1900 6500 30  0001 C CNN
+F 0 "#PWR103" H 1900 6500 30  0001 C CNN
 F 1 "GND" H 1900 6430 30  0001 C CNN
 F 2 "" H 1900 6500 60  0000 C CNN
 F 3 "" H 1900 6500 60  0000 C CNN
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 $Comp
-L GND #PWR0146
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 U 1 1 5281CF00
 P 2050 6500
-F 0 "#PWR0146" H 2050 6500 30  0001 C CNN
+F 0 "#PWR106" H 2050 6500 30  0001 C CNN
 F 1 "GND" H 2050 6430 30  0001 C CNN
 F 2 "" H 2050 6500 60  0000 C CNN
 F 3 "" H 2050 6500 60  0000 C CNN
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 $Comp
-L GND #PWR0147
+L GND #PWR151
 U 1 1 5294232D
 P 12300 8400
-F 0 "#PWR0147" H 12300 8400 30  0001 C CNN
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 F 1 "GND" H 12300 8330 30  0001 C CNN
 F 2 "" H 12300 8400 60  0000 C CNN
 F 3 "" H 12300 8400 60  0000 C CNN
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 $EndComp
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-L GND #PWR0148
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 U 1 1 5294283B
 P 11300 8400
-F 0 "#PWR0148" H 11300 8400 30  0001 C CNN
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 F 1 "GND" H 11300 8330 30  0001 C CNN
 F 2 "" H 11300 8400 60  0000 C CNN
 F 3 "" H 11300 8400 60  0000 C CNN
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 U 1 1 52963CD7
 P 9800 7950
-F 0 "#PWR0149" H 9800 7950 30  0001 C CNN
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 F 1 "GND" H 9800 7880 30  0001 C CNN
 F 2 "" H 9800 7950 60  0000 C CNN
 F 3 "" H 9800 7950 60  0000 C CNN
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 $EndComp
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 U 1 1 52AA563D
 P 2750 6800
-F 0 "#PWR0150" H 2750 6800 30  0001 C CNN
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 F 1 "GND" H 2750 6730 30  0001 C CNN
 F 2 "" H 2750 6800 60  0000 C CNN
 F 3 "" H 2750 6800 60  0000 C CNN
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 $EndComp
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+L GND #PWR116
 U 1 1 52AA564A
 P 3350 6800
-F 0 "#PWR0151" H 3350 6800 30  0001 C CNN
+F 0 "#PWR116" H 3350 6800 30  0001 C CNN
 F 1 "GND" H 3350 6730 30  0001 C CNN
 F 2 "" H 3350 6800 60  0000 C CNN
 F 3 "" H 3350 6800 60  0000 C CNN
diff --git a/hardware/neapolitan/frontend.sch b/hardware/neapolitan/frontend.sch
index 52e2b57..ed9425e 100644
--- a/hardware/neapolitan/frontend.sch
+++ b/hardware/neapolitan/frontend.sch
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 $EndComp
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 U 1 1 50471BB9
 P 4400 4650
-F 0 "#PWR01" H 4400 4710 30  0001 C CNN
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 F 1 "VAA" H 4400 4760 30  0000 C CNN
 F 2 "" H 4400 4650 60  0001 C CNN
 F 3 "" H 4400 4650 60  0001 C CNN
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 $EndComp
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 U 1 1 50457E6B
 P 13300 6650
-F 0 "#PWR02" H 13300 6650 30  0001 C CNN
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 F 1 "GND" H 13300 6580 30  0001 C CNN
 F 2 "" H 13300 6650 60  0001 C CNN
 F 3 "" H 13300 6650 60  0001 C CNN
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 $EndComp
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 U 1 1 50457E69
 P 13200 6650
-F 0 "#PWR03" H 13200 6650 30  0001 C CNN
+F 0 "#PWR77" H 13200 6650 30  0001 C CNN
 F 1 "GND" H 13200 6580 30  0001 C CNN
 F 2 "" H 13200 6650 60  0001 C CNN
 F 3 "" H 13200 6650 60  0001 C CNN
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 $EndComp
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 U 1 1 50457D5F
 P 12300 6100
-F 0 "#PWR04" H 12300 6160 30  0001 C CNN
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 F 1 "VAA" H 12300 6210 30  0000 C CNN
 F 2 "" H 12300 6100 60  0001 C CNN
 F 3 "" H 12300 6100 60  0001 C CNN
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 $EndComp
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-F 0 "#PWR05" H 12600 6700 30  0001 C CNN
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 F 1 "GND" H 12600 6630 30  0001 C CNN
 F 2 "" H 12600 6700 60  0001 C CNN
 F 3 "" H 12600 6700 60  0001 C CNN
@@ -771,10 +771,10 @@ F 3 "" H 12600 6700 60  0001 C CNN
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 $EndComp
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 U 1 1 50457C43
 P 13400 5550
-F 0 "#PWR06" H 13400 5550 30  0001 C CNN
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 F 1 "GND" H 13400 5480 30  0001 C CNN
 F 2 "" H 13400 5550 60  0001 C CNN
 F 3 "" H 13400 5550 60  0001 C CNN
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-F 0 "#PWR07" H 13300 5550 30  0001 C CNN
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 F 3 "" H 13300 5550 60  0001 C CNN
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 Text Label 11050 5550 2    40   ~ 0
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 $EndComp
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 F 1 "GND" H 12700 4280 30  0001 C CNN
 F 2 "" H 12700 4350 60  0001 C CNN
 F 3 "" H 12700 4350 60  0001 C CNN
@@ -1384,10 +1384,10 @@ F 3 "" H 12700 4350 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR031
+L GND #PWR78
 U 1 1 502E6F90
 P 13300 2600
-F 0 "#PWR031" H 13300 2600 30  0001 C CNN
+F 0 "#PWR78" H 13300 2600 30  0001 C CNN
 F 1 "GND" H 13300 2530 30  0001 C CNN
 F 2 "" H 13300 2600 60  0001 C CNN
 F 3 "" H 13300 2600 60  0001 C CNN
@@ -1409,10 +1409,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 24400 4850 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR032
+L GND #PWR50
 U 1 1 502E6F53
 P 9300 3350
-F 0 "#PWR032" H 9300 3350 30  0001 C CNN
+F 0 "#PWR50" H 9300 3350 30  0001 C CNN
 F 1 "GND" H 9300 3280 30  0001 C CNN
 F 2 "" H 9300 3350 60  0001 C CNN
 F 3 "" H 9300 3350 60  0001 C CNN
@@ -1434,10 +1434,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 12450 2900 60  0001 C CNN "Description"
 	1    0    0    1   
 $EndComp
 $Comp
-L GND #PWR033
+L GND #PWR55
 U 1 1 502E6F0C
 P 9900 1650
-F 0 "#PWR033" H 9900 1650 30  0001 C CNN
+F 0 "#PWR55" H 9900 1650 30  0001 C CNN
 F 1 "GND" H 9900 1580 30  0001 C CNN
 F 2 "" H 9900 1650 60  0001 C CNN
 F 3 "" H 9900 1650 60  0001 C CNN
@@ -1459,10 +1459,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 12800 1450 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR034
+L GND #PWR46
 U 1 1 502E6EDE
 P 7350 5600
-F 0 "#PWR034" H 7350 5600 30  0001 C CNN
+F 0 "#PWR46" H 7350 5600 30  0001 C CNN
 F 1 "GND" H 7350 5530 30  0001 C CNN
 F 2 "" H 7350 5600 60  0001 C CNN
 F 3 "" H 7350 5600 60  0001 C CNN
@@ -1484,10 +1484,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 10250 5400 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR035
+L GND #PWR32
 U 1 1 502E6EC5
 P 6250 6900
-F 0 "#PWR035" H 6250 6900 30  0001 C CNN
+F 0 "#PWR32" H 6250 6900 30  0001 C CNN
 F 1 "GND" H 6250 6830 30  0001 C CNN
 F 2 "" H 6250 6900 60  0001 C CNN
 F 3 "" H 6250 6900 60  0001 C CNN
@@ -1543,10 +1543,10 @@ RX_AMP_OUT
 Text Label 12300 9350 0    40   ~ 0
 RX_AMP_IN
 $Comp
-L GND #PWR036
+L GND #PWR83
 U 1 1 502E6209
 P 13700 7600
-F 0 "#PWR036" H 13700 7600 30  0001 C CNN
+F 0 "#PWR83" H 13700 7600 30  0001 C CNN
 F 1 "GND" H 13700 7530 30  0001 C CNN
 F 2 "" H 13700 7600 60  0001 C CNN
 F 3 "" H 13700 7600 60  0001 C CNN
@@ -1554,10 +1554,10 @@ F 3 "" H 13700 7600 60  0001 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L GND #PWR037
+L GND #PWR86
 U 1 1 502E619A
 P 15100 2750
-F 0 "#PWR037" H 15100 2750 30  0001 C CNN
+F 0 "#PWR86" H 15100 2750 30  0001 C CNN
 F 1 "GND" H 15100 2680 30  0001 C CNN
 F 2 "" H 15100 2750 60  0001 C CNN
 F 3 "" H 15100 2750 60  0001 C CNN
@@ -1565,10 +1565,10 @@ F 3 "" H 15100 2750 60  0001 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L GND #PWR038
+L GND #PWR48
 U 1 1 502E6129
 P 9150 8100
-F 0 "#PWR038" H 9150 8100 30  0001 C CNN
+F 0 "#PWR48" H 9150 8100 30  0001 C CNN
 F 1 "GND" H 9150 8030 30  0001 C CNN
 F 2 "" H 9150 8100 60  0001 C CNN
 F 3 "" H 9150 8100 60  0001 C CNN
@@ -1590,10 +1590,10 @@ F 6 "0.1-6 GHz 3 V, 14 dBm Amplifier" H 9450 9600 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR039
+L GND #PWR63
 U 1 1 502C6DC4
 P 10500 9300
-F 0 "#PWR039" H 10500 9300 30  0001 C CNN
+F 0 "#PWR63" H 10500 9300 30  0001 C CNN
 F 1 "GND" H 10500 9230 30  0001 C CNN
 F 2 "" H 10500 9300 60  0001 C CNN
 F 3 "" H 10500 9300 60  0001 C CNN
@@ -1601,10 +1601,10 @@ F 3 "" H 10500 9300 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR040
+L GND #PWR58
 U 1 1 502C6DC1
 P 10150 9300
-F 0 "#PWR040" H 10150 9300 30  0001 C CNN
+F 0 "#PWR58" H 10150 9300 30  0001 C CNN
 F 1 "GND" H 10150 9230 30  0001 C CNN
 F 2 "" H 10150 9300 60  0001 C CNN
 F 3 "" H 10150 9300 60  0001 C CNN
@@ -1752,10 +1752,10 @@ F 6 "CAP CER 0.1UF 10V 10% X5R 0402" H 7350 10000 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR041
+L GND #PWR72
 U 1 1 502B5542
 P 12600 2600
-F 0 "#PWR041" H 12600 2600 30  0001 C CNN
+F 0 "#PWR72" H 12600 2600 30  0001 C CNN
 F 1 "GND" H 12600 2530 30  0001 C CNN
 F 2 "" H 12600 2600 60  0001 C CNN
 F 3 "" H 12600 2600 60  0001 C CNN
@@ -1763,10 +1763,10 @@ F 3 "" H 12600 2600 60  0001 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L GND #PWR042
+L GND #PWR59
 U 1 1 502B54A4
 P 10200 3850
-F 0 "#PWR042" H 10200 3850 30  0001 C CNN
+F 0 "#PWR59" H 10200 3850 30  0001 C CNN
 F 1 "GND" H 10200 3780 30  0001 C CNN
 F 2 "" H 10200 3850 60  0001 C CNN
 F 3 "" H 10200 3850 60  0001 C CNN
@@ -1774,10 +1774,10 @@ F 3 "" H 10200 3850 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR043
+L GND #PWR49
 U 1 1 502B5428
 P 9200 1650
-F 0 "#PWR043" H 9200 1650 30  0001 C CNN
+F 0 "#PWR49" H 9200 1650 30  0001 C CNN
 F 1 "GND" H 9200 1580 30  0001 C CNN
 F 2 "" H 9200 1650 60  0001 C CNN
 F 3 "" H 9200 1650 60  0001 C CNN
@@ -1895,10 +1895,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 5550 4300 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR044
+L GND #PWR15
 U 1 1 502B477F
 P 2400 4750
-F 0 "#PWR044" H 2400 4750 30  0001 C CNN
+F 0 "#PWR15" H 2400 4750 30  0001 C CNN
 F 1 "GND" H 2400 4680 30  0001 C CNN
 F 2 "" H 2400 4750 60  0001 C CNN
 F 3 "" H 2400 4750 60  0001 C CNN
@@ -1920,10 +1920,10 @@ F 6 "0.01-6.0 GHz GaAs SPDT Switch" H 2400 3600 60  0001 C CNN "Description"
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR045
+L GND #PWR14
 U 1 1 502B477C
 P 2300 3050
-F 0 "#PWR045" H 2300 3050 30  0001 C CNN
+F 0 "#PWR14" H 2300 3050 30  0001 C CNN
 F 1 "GND" H 2300 2980 30  0001 C CNN
 F 2 "" H 2300 3050 60  0001 C CNN
 F 3 "" H 2300 3050 60  0001 C CNN
@@ -1959,10 +1959,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 14100 5300 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR046
+L GND #PWR17
 U 1 1 502B4778
 P 3000 3050
-F 0 "#PWR046" H 3000 3050 30  0001 C CNN
+F 0 "#PWR17" H 3000 3050 30  0001 C CNN
 F 1 "GND" H 3000 2980 30  0001 C CNN
 F 2 "" H 3000 3050 60  0001 C CNN
 F 3 "" H 3000 3050 60  0001 C CNN
@@ -1982,10 +1982,10 @@ F 4 "DNP" V 4050 3600 60  0000 C CNN "Note"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR047
+L GND #PWR3
 U 1 1 501F4794
 P 1100 2250
-F 0 "#PWR047" H 1100 2250 30  0001 C CNN
+F 0 "#PWR3" H 1100 2250 30  0001 C CNN
 F 1 "GND" H 1100 2180 30  0001 C CNN
 F 2 "" H 1100 2250 60  0001 C CNN
 F 3 "" H 1100 2250 60  0001 C CNN
@@ -2007,10 +2007,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 4500 2050 60  0001 C CNN "Description"
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR048
+L GND #PWR12
 U 1 1 501F4789
 P 2200 1000
-F 0 "#PWR048" H 2200 1000 30  0001 C CNN
+F 0 "#PWR12" H 2200 1000 30  0001 C CNN
 F 1 "GND" H 2200 930 30  0001 C CNN
 F 2 "" H 2200 1000 60  0001 C CNN
 F 3 "" H 2200 1000 60  0001 C CNN
@@ -2046,10 +2046,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 13300 8300 60  0001 C CNN "Description"
 	0    1    -1   0   
 $EndComp
 $Comp
-L GND #PWR049
+L GND #PWR13
 U 1 1 501F477C
 P 2200 6050
-F 0 "#PWR049" H 2200 6050 30  0001 C CNN
+F 0 "#PWR13" H 2200 6050 30  0001 C CNN
 F 1 "GND" H 2200 5980 30  0001 C CNN
 F 2 "" H 2200 6050 60  0001 C CNN
 F 3 "" H 2200 6050 60  0001 C CNN
@@ -2071,10 +2071,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 4500 7100 60  0001 C CNN "Description"
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR050
+L GND #PWR4
 U 1 1 501F4768
 P 1100 7300
-F 0 "#PWR050" H 1100 7300 30  0001 C CNN
+F 0 "#PWR4" H 1100 7300 30  0001 C CNN
 F 1 "GND" H 1100 7230 30  0001 C CNN
 F 2 "" H 1100 7300 60  0001 C CNN
 F 3 "" H 1100 7300 60  0001 C CNN
@@ -2082,10 +2082,10 @@ F 3 "" H 1100 7300 60  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR051
+L GND #PWR64
 U 1 1 501F46AE
 P 10600 2000
-F 0 "#PWR051" H 10600 2000 30  0001 C CNN
+F 0 "#PWR64" H 10600 2000 30  0001 C CNN
 F 1 "GND" H 10600 1930 30  0001 C CNN
 F 2 "" H 10600 2000 60  0001 C CNN
 F 3 "" H 10600 2000 60  0001 C CNN
@@ -2179,10 +2179,10 @@ F 6 "0.01-6.0 GHz GaAs SPDT Switch" H 12700 3150 60  0001 C CNN "Description"
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR052
+L GND #PWR9
 U 1 1 501EF7A8
 P 1800 2250
-F 0 "#PWR052" H 1800 2250 30  0001 C CNN
+F 0 "#PWR9" H 1800 2250 30  0001 C CNN
 F 1 "GND" H 1800 2180 30  0001 C CNN
 F 2 "" H 1800 2250 60  0001 C CNN
 F 3 "" H 1800 2250 60  0001 C CNN
@@ -2246,10 +2246,10 @@ F 6 "CAP CER 22PF 50V 5% NP0 0402" H 1650 1250 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR053
+L GND #PWR10
 U 1 1 501EF65B
 P 1800 7300
-F 0 "#PWR053" H 1800 7300 30  0001 C CNN
+F 0 "#PWR10" H 1800 7300 30  0001 C CNN
 F 1 "GND" H 1800 7230 30  0001 C CNN
 F 2 "" H 1800 7300 60  0001 C CNN
 F 3 "" H 1800 7300 60  0001 C CNN
@@ -2285,10 +2285,10 @@ F 6 "Ultra Low Profile 0805 Balun 50 to 100 ohm Balanced" H 5850 5900 60  0001 C
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR054
+L GND #PWR18
 U 1 1 501EF4A0
 P 3000 3500
-F 0 "#PWR054" H 3000 3500 30  0001 C CNN
+F 0 "#PWR18" H 3000 3500 30  0001 C CNN
 F 1 "GND" H 3000 3430 30  0001 C CNN
 F 2 "" H 3000 3500 60  0001 C CNN
 F 3 "" H 3000 3500 60  0001 C CNN
@@ -2352,10 +2352,10 @@ F 6 "CAP CER 100PF 50V 5% NP0 0402" H 7400 6850 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR055
+L GND #PWR21
 U 1 1 4FB55FAC
 P 4100 5550
-F 0 "#PWR055" H 4100 5550 30  0001 C CNN
+F 0 "#PWR21" H 4100 5550 30  0001 C CNN
 F 1 "GND" H 4100 5480 30  0001 C CNN
 F 2 "" H 4100 5550 60  0001 C CNN
 F 3 "" H 4100 5550 60  0001 C CNN
@@ -2365,10 +2365,10 @@ $EndComp
 Text Notes 5000 9600 0    40   ~ 0
 Expected MIX_CLK is 1.8 to 3.3 V\npeak-to-peak at 25 to 52 MHz. It is\ndivided down to 0.5 to 1.5 V (REF_IN).
 $Comp
-L GND #PWR056
+L GND #PWR36
 U 1 1 4FB52F5A
 P 6600 3850
-F 0 "#PWR056" H 6600 3850 30  0001 C CNN
+F 0 "#PWR36" H 6600 3850 30  0001 C CNN
 F 1 "GND" H 6600 3780 30  0001 C CNN
 F 2 "" H 6600 3850 60  0001 C CNN
 F 3 "" H 6600 3850 60  0001 C CNN
@@ -2390,10 +2390,10 @@ F 6 "TVS DIODE ESD .05PF 15KV 0402" H 15900 8800 60  0001 C CNN "Description"
 	0    -1   -1   0   
 $EndComp
 $Comp
-L GND #PWR057
+L GND #PWR89
 U 1 1 4FB3F838
 P 15900 9150
-F 0 "#PWR057" H 15900 9150 30  0001 C CNN
+F 0 "#PWR89" H 15900 9150 30  0001 C CNN
 F 1 "GND" H 15900 9080 30  0001 C CNN
 F 2 "" H 15900 9150 60  0001 C CNN
 F 3 "" H 15900 9150 60  0001 C CNN
@@ -2403,10 +2403,10 @@ $EndComp
 Text Label 7000 9800 2    40   ~ 0
 REF_IN
 $Comp
-L GND #PWR058
+L GND #PWR33
 U 1 1 4FB3CC7B
 P 6300 10300
-F 0 "#PWR058" H 6300 10300 30  0001 C CNN
+F 0 "#PWR33" H 6300 10300 30  0001 C CNN
 F 1 "GND" H 6300 10230 30  0001 C CNN
 F 2 "" H 6300 10300 60  0001 C CNN
 F 3 "" H 6300 10300 60  0001 C CNN
@@ -2416,10 +2416,10 @@ $EndComp
 Text Label 5600 1700 3    40   ~ 0
 REF_IN
 $Comp
-L VCC #PWR059
+L VCC #PWR41
 U 1 1 4FAECFB5
 P 7100 3950
-F 0 "#PWR059" H 7100 4050 30  0001 C CNN
+F 0 "#PWR41" H 7100 4050 30  0001 C CNN
 F 1 "VCC" H 7100 4050 30  0000 C CNN
 F 2 "" H 7100 3950 60  0001 C CNN
 F 3 "" H 7100 3950 60  0001 C CNN
@@ -2441,10 +2441,10 @@ F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 7100 4200 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR060
+L GND #PWR37
 U 1 1 4FAECE90
 P 6700 5250
-F 0 "#PWR060" H 6700 5250 30  0001 C CNN
+F 0 "#PWR37" H 6700 5250 30  0001 C CNN
 F 1 "GND" H 6700 5180 30  0001 C CNN
 F 2 "" H 6700 5250 60  0001 C CNN
 F 3 "" H 6700 5250 60  0001 C CNN
@@ -2452,10 +2452,10 @@ F 3 "" H 6700 5250 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR061
+L GND #PWR34
 U 1 1 4FAECE8F
 P 6400 5250
-F 0 "#PWR061" H 6400 5250 30  0001 C CNN
+F 0 "#PWR34" H 6400 5250 30  0001 C CNN
 F 1 "GND" H 6400 5180 30  0001 C CNN
 F 2 "" H 6400 5250 60  0001 C CNN
 F 3 "" H 6400 5250 60  0001 C CNN
@@ -2463,10 +2463,10 @@ F 3 "" H 6400 5250 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR062
+L GND #PWR30
 U 1 1 4FAECE8E
 P 6100 5250
-F 0 "#PWR062" H 6100 5250 30  0001 C CNN
+F 0 "#PWR30" H 6100 5250 30  0001 C CNN
 F 1 "GND" H 6100 5180 30  0001 C CNN
 F 2 "" H 6100 5250 60  0001 C CNN
 F 3 "" H 6100 5250 60  0001 C CNN
@@ -2474,10 +2474,10 @@ F 3 "" H 6100 5250 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR063
+L GND #PWR29
 U 1 1 4FAECE8C
 P 5800 5250
-F 0 "#PWR063" H 5800 5250 30  0001 C CNN
+F 0 "#PWR29" H 5800 5250 30  0001 C CNN
 F 1 "GND" H 5800 5180 30  0001 C CNN
 F 2 "" H 5800 5250 60  0001 C CNN
 F 3 "" H 5800 5250 60  0001 C CNN
@@ -2541,10 +2541,10 @@ F 6 "CAP CER 33PF 50V 5% NP0 0402" H 6700 5000 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L VCC #PWR064
+L VCC #PWR39
 U 1 1 4FAECE5B
 P 6900 3950
-F 0 "#PWR064" H 6900 4050 30  0001 C CNN
+F 0 "#PWR39" H 6900 4050 30  0001 C CNN
 F 1 "VCC" H 6900 4050 30  0000 C CNN
 F 2 "" H 6900 3950 60  0001 C CNN
 F 3 "" H 6900 3950 60  0001 C CNN
@@ -2566,10 +2566,10 @@ F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 6900 4200 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR065
+L GND #PWR26
 U 1 1 4FAECD9D
 P 5400 1850
-F 0 "#PWR065" H 5400 1850 30  0001 C CNN
+F 0 "#PWR26" H 5400 1850 30  0001 C CNN
 F 1 "GND" H 5400 1780 30  0001 C CNN
 F 2 "" H 5400 1850 60  0001 C CNN
 F 3 "" H 5400 1850 60  0001 C CNN
@@ -2579,10 +2579,10 @@ $EndComp
 NoConn ~ 6500 3350
 NoConn ~ 6500 3250
 $Comp
-L GND #PWR066
+L GND #PWR42
 U 1 1 4FAECC8F
 P 7200 3150
-F 0 "#PWR066" H 7200 3150 30  0001 C CNN
+F 0 "#PWR42" H 7200 3150 30  0001 C CNN
 F 1 "GND" H 7200 3080 30  0001 C CNN
 F 2 "" H 7200 3150 60  0001 C CNN
 F 3 "" H 7200 3150 60  0001 C CNN
@@ -2606,10 +2606,10 @@ F 6 "RES TF 51K OHM 1% 0.0625W 0402" H 6950 3150 60  0001 C CNN "Description"
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR067
+L GND #PWR25
 U 1 1 4FAECBE1
 P 4700 8450
-F 0 "#PWR067" H 4700 8450 30  0001 C CNN
+F 0 "#PWR25" H 4700 8450 30  0001 C CNN
 F 1 "GND" H 4700 8380 30  0001 C CNN
 F 2 "" H 4700 8450 60  0001 C CNN
 F 3 "" H 4700 8450 60  0001 C CNN
@@ -2617,10 +2617,10 @@ F 3 "" H 4700 8450 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L VCC #PWR068
+L VCC #PWR24
 U 1 1 4FAECBD8
 P 4700 7950
-F 0 "#PWR068" H 4700 8050 30  0001 C CNN
+F 0 "#PWR24" H 4700 8050 30  0001 C CNN
 F 1 "VCC" H 4700 8050 30  0000 C CNN
 F 2 "" H 4700 7950 60  0001 C CNN
 F 3 "" H 4700 7950 60  0001 C CNN
@@ -2756,10 +2756,10 @@ F 6 "CAP CER 8.2PF 50V NP0 0402" H 8000 2300 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR069
+L GND #PWR43
 U 1 1 4FAEC88E
 P 7300 2550
-F 0 "#PWR069" H 7300 2550 30  0001 C CNN
+F 0 "#PWR43" H 7300 2550 30  0001 C CNN
 F 1 "GND" H 7300 2480 30  0001 C CNN
 F 2 "" H 7300 2550 60  0001 C CNN
 F 3 "" H 7300 2550 60  0001 C CNN
@@ -2767,10 +2767,10 @@ F 3 "" H 7300 2550 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR070
+L GND #PWR38
 U 1 1 4FAEC88B
 P 6800 2550
-F 0 "#PWR070" H 6800 2550 30  0001 C CNN
+F 0 "#PWR38" H 6800 2550 30  0001 C CNN
 F 1 "GND" H 6800 2480 30  0001 C CNN
 F 2 "" H 6800 2550 60  0001 C CNN
 F 3 "" H 6800 2550 60  0001 C CNN
@@ -2834,10 +2834,10 @@ F 6 "CAP CER 330PF 50V 10% X7R 0402" H 6800 2300 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR071
+L GND #PWR23
 U 1 1 4FAEC785
 P 4400 5550
-F 0 "#PWR071" H 4400 5550 30  0001 C CNN
+F 0 "#PWR23" H 4400 5550 30  0001 C CNN
 F 1 "GND" H 4400 5480 30  0001 C CNN
 F 2 "" H 4400 5550 60  0001 C CNN
 F 3 "" H 4400 5550 60  0001 C CNN
@@ -2859,10 +2859,10 @@ F 6 "CAP CER 100PF 50V 5% NP0 0402" H 7400 6850 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR072
+L GND #PWR91
 U 1 1 4FAA165E
 P 16300 8950
-F 0 "#PWR072" H 16300 8950 30  0001 C CNN
+F 0 "#PWR91" H 16300 8950 30  0001 C CNN
 F 1 "GND" H 16300 8880 30  0001 C CNN
 F 2 "" H 16300 8950 60  0001 C CNN
 F 3 "" H 16300 8950 60  0001 C CNN
@@ -2884,10 +2884,10 @@ F 6 "CAP CER 47PF 50V 5% NP0 0402" H 12250 5400 60  0001 C CNN "Description"
 	0    -1   -1   0   
 $EndComp
 $Comp
-L GND #PWR073
+L GND #PWR66
 U 1 1 4FAA142A
 P 10700 3700
-F 0 "#PWR073" H 10700 3700 30  0001 C CNN
+F 0 "#PWR66" H 10700 3700 30  0001 C CNN
 F 1 "GND" H 10700 3630 30  0001 C CNN
 F 2 "" H 10700 3700 60  0001 C CNN
 F 3 "" H 10700 3700 60  0001 C CNN
@@ -2895,10 +2895,10 @@ F 3 "" H 10700 3700 60  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR074
+L GND #PWR65
 U 1 1 4FAA1424
 P 10700 2150
-F 0 "#PWR074" H 10700 2150 30  0001 C CNN
+F 0 "#PWR65" H 10700 2150 30  0001 C CNN
 F 1 "GND" H 10700 2080 30  0001 C CNN
 F 2 "" H 10700 2150 60  0001 C CNN
 F 3 "" H 10700 2150 60  0001 C CNN
@@ -2906,10 +2906,10 @@ F 3 "" H 10700 2150 60  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR075
+L GND #PWR67
 U 1 1 4FAA10AF
 P 12100 2150
-F 0 "#PWR075" H 12100 2150 30  0001 C CNN
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diff --git a/hardware/neapolitan/mcu.sch b/hardware/neapolitan/mcu.sch
index 5a608d2..d0dec61 100644
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-Wire Wire Line
-	2750 7650 3050 7650
-Wire Wire Line
-	2750 7750 3050 7750
-Wire Wire Line
-	5650 4450 5750 4450
-Wire Wire Line
-	11100 3600 11550 3600
-Wire Wire Line
-	12800 3500 12350 3500
-Wire Wire Line
-	12800 3900 12350 3900
-Wire Wire Line
-	12800 3100 12350 3100
-Wire Wire Line
-	11550 3100 11100 3100
-Wire Wire Line
-	12800 3200 12350 3200
-Wire Wire Line
-	11100 3200 11550 3200
-Wire Wire Line
-	12800 4000 12350 4000
-Wire Wire Line
-	11100 4000 11550 4000
-Wire Wire Line
-	11100 4300 11550 4300
-Wire Wire Line
-	12800 4100 12350 4100
-Wire Wire Line
-	11100 4200 11550 4200
-Wire Wire Line
-	11100 4100 11550 4100
-Wire Wire Line
-	7000 10050 7400 10050
-Wire Wire Line
-	8600 10050 8200 10050
-Wire Wire Line
-	7000 10250 7400 10250
-Wire Wire Line
-	8600 10250 8200 10250
-Wire Wire Line
-	8600 10150 8200 10150
-Wire Wire Line
-	1150 1900 1150 3000
-Wire Wire Line
-	1150 2800 1250 2800
-Wire Wire Line
-	1150 2600 1250 2600
-Connection ~ 1150 2800
-Wire Wire Line
-	1650 1800 1650 2250
-Wire Wire Line
-	1550 1900 1650 1900
-Connection ~ 1650 1900
-Wire Wire Line
-	1250 1900 1150 1900
-Connection ~ 1150 2600
-Wire Wire Line
-	1150 2250 1250 2250
-Connection ~ 1150 2250
-Wire Wire Line
-	2450 3250 2550 3250
-Wire Wire Line
-	2550 3250 2550 3350
-Wire Wire Line
-	1650 2250 1550 2250
-Wire Wire Line
-	1750 3250 1650 3250
-Wire Wire Line
-	2750 4100 2750 4450
-Wire Wire Line
-	3450 4250 3150 4250
-Wire Wire Line
-	2750 4250 2850 4250
-Connection ~ 2750 4250
-Wire Wire Line
-	2750 4900 2750 4750
 $Comp
 L BARREL_JACK J11
 U 1 1 57CB0AF2
@@ -965,20 +774,16 @@ F 6 "CONN PWR JACK 2.0X5.5MM HIGH CUR " H 1450 4450 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR0173
+L GND #PWR157
 U 1 1 57CB49E4
 P 1850 4650
-F 0 "#PWR0173" H 1850 4650 30  0001 C CNN
+F 0 "#PWR157" H 1850 4650 30  0001 C CNN
 F 1 "GND" H 1850 4580 30  0001 C CNN
 F 2 "" H 1850 4650 60  0001 C CNN
 F 3 "" H 1850 4650 60  0001 C CNN
 	1    1850 4650
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1750 4550 1850 4550
-Wire Wire Line
-	1850 4550 1850 4650
 NoConn ~ 1750 4450
 $Comp
 L D_Schottky D10
@@ -1008,11 +813,6 @@ F 6 "DIODE SCHOTTKY 30V 5A SOD128" H 2400 4350 60  0001 C CNN "Description"
 	1    2400 4350
 	-1   0    0    1   
 $EndComp
-Wire Wire Line
-	2550 4350 2750 4350
-Connection ~ 2750 4350
-Wire Wire Line
-	1750 4350 2250 4350
 NoConn ~ 7400 10150
 NoConn ~ 7400 9350
 NoConn ~ 7400 9450
@@ -1037,10 +837,10 @@ F 6 "I/O Expander 24 I²C, SMBus 400kHz 32-UQFN Exposed Pad (5x5) " H 6500 4800
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR0174
+L GND #PWR168
 U 1 1 57CAD1EA
 P 5650 4250
-F 0 "#PWR0174" H 5650 4000 50  0001 C CNN
+F 0 "#PWR168" H 5650 4000 50  0001 C CNN
 F 1 "GND" H 5650 4100 50  0000 C CNN
 F 2 "" H 5650 4250 60  0000 C CNN
 F 3 "" H 5650 4250 60  0000 C CNN
@@ -1048,10 +848,10 @@ F 3 "" H 5650 4250 60  0000 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L GND #PWR0175
+L GND #PWR173
 U 1 1 57CAD28C
 P 6850 3850
-F 0 "#PWR0175" H 6850 3600 50  0001 C CNN
+F 0 "#PWR173" H 6850 3600 50  0001 C CNN
 F 1 "GND" H 6850 3700 50  0000 C CNN
 F 2 "" H 6850 3850 60  0000 C CNN
 F 3 "" H 6850 3850 60  0000 C CNN
@@ -1059,10 +859,10 @@ F 3 "" H 6850 3850 60  0000 C CNN
 	-1   0    0    1   
 $EndComp
 $Comp
-L VCC #PWR0176
+L VCC #PWR170
 U 1 1 57CAD417
 P 6250 3950
-F 0 "#PWR0176" H 6250 4050 30  0001 C CNN
+F 0 "#PWR170" H 6250 4050 30  0001 C CNN
 F 1 "VCC" H 6250 4050 30  0000 C CNN
 F 2 "" H 6250 3950 60  0001 C CNN
 F 3 "" H 6250 3950 60  0001 C CNN
@@ -1070,75 +870,25 @@ F 3 "" H 6250 3950 60  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L VCC #PWR0177
+L VCC #PWR172
 U 1 1 57CAD572
 P 6650 3950
-F 0 "#PWR0177" H 6650 4050 30  0001 C CNN
+F 0 "#PWR172" H 6650 4050 30  0001 C CNN
 F 1 "VCC" H 6650 4050 30  0000 C CNN
 F 2 "" H 6650 3950 60  0001 C CNN
 F 3 "" H 6650 3950 60  0001 C CNN
 	1    6650 3950
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	6850 3850 6850 4050
-Wire Wire Line
-	6650 3950 6650 4050
-Wire Wire Line
-	6250 3950 6250 4050
-Wire Wire Line
-	6750 3950 6750 4050
-Wire Wire Line
-	5650 4250 5750 4250
-Wire Wire Line
-	6750 3950 6850 3950
-Connection ~ 6850 3950
 NoConn ~ 6850 5550
-Wire Wire Line
-	7450 5150 7250 5150
-Wire Wire Line
-	7450 5050 7250 5050
 Text Label 7450 5150 2    40   ~ 0
 LED2
 Text Label 7450 5050 2    40   ~ 0
 LED3
-Wire Wire Line
-	6550 5650 6550 5550
-Wire Wire Line
-	6450 5550 6450 5650
-Wire Wire Line
-	6350 5650 6350 5550
-Wire Wire Line
-	6250 5550 6250 5650
-Wire Wire Line
-	6150 5650 6150 5550
-Wire Wire Line
-	5650 4550 5750 4550
-Wire Wire Line
-	5750 4650 5650 4650
-Wire Wire Line
-	5650 4750 5750 4750
-Wire Wire Line
-	5750 4850 5650 4850
-Wire Wire Line
-	5650 4950 5750 4950
-Wire Wire Line
-	5750 5050 5650 5050
-Wire Wire Line
-	5650 5150 5750 5150
-Wire Wire Line
-	6650 5550 6650 5650
-Wire Wire Line
-	6750 5550 6750 5650
-NoConn ~ 7250 4950
 Text GLabel 6450 3950 1    40   Input ~ 0
 I2C1_SCL
 Text GLabel 6350 3950 1    40   Input ~ 0
 I2C1_SDA
-Wire Wire Line
-	6350 3950 6350 4050
-Wire Wire Line
-	6450 3950 6450 4050
 NoConn ~ 12350 4200
 NoConn ~ 12350 4300
 $Comp
@@ -1170,26 +920,16 @@ F 6 "RES SMD 18K OHM 5% 1/16W 0402" H 2050 5100 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR0178
+L GND #PWR158
 U 1 1 57CB97AE
 P 2050 5350
-F 0 "#PWR0178" H 2050 5350 30  0001 C CNN
+F 0 "#PWR158" H 2050 5350 30  0001 C CNN
 F 1 "GND" H 2050 5280 30  0001 C CNN
 F 2 "" H 2050 5350 60  0001 C CNN
 F 3 "" H 2050 5350 60  0001 C CNN
 	1    2050 5350
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	2050 4350 2050 4450
-Connection ~ 2050 4350
-Wire Wire Line
-	2050 4750 2050 4950
-Wire Wire Line
-	2050 5250 2050 5350
-Wire Wire Line
-	2050 4850 2550 4850
-Connection ~ 2050 4850
 Text Label 2550 4850 2    40   ~ 0
 BARREL_SENSE
 Text Label 1750 4350 0    40   ~ 0
@@ -1210,10 +950,6 @@ F 6 "DIODE SCHOTTKY 30V 5A SOD128" H 2750 3950 60  0001 C CNN "Description"
 	1    2750 3950
 	0    -1   -1   0   
 $EndComp
-Wire Wire Line
-	2450 3650 3800 3650
-Wire Wire Line
-	2750 3650 2750 3800
 $Comp
 L R R13
 U 1 1 57CBA6DD
@@ -1243,28 +979,18 @@ F 6 "RES SMD 18K OHM 5% 1/16W 0402" H 3800 4400 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR0179
+L GND #PWR167
 U 1 1 57CBA6EC
 P 3800 4650
-F 0 "#PWR0179" H 3800 4650 30  0001 C CNN
+F 0 "#PWR167" H 3800 4650 30  0001 C CNN
 F 1 "GND" H 3800 4580 30  0001 C CNN
 F 2 "" H 3800 4650 60  0001 C CNN
 F 3 "" H 3800 4650 60  0001 C CNN
 	1    3800 4650
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	3800 4050 3800 4250
-Wire Wire Line
-	3800 4550 3800 4650
-Wire Wire Line
-	3800 4150 4250 4150
-Connection ~ 3800 4150
 Text Label 4250 4150 2    40   ~ 0
 VBUS2_SENSE
-Wire Wire Line
-	3800 3650 3800 3750
-Connection ~ 2750 3650
 $Comp
 L R R10
 U 1 1 57CBB468
@@ -1294,43 +1020,24 @@ F 6 "RES SMD 18K OHM 5% 1/16W 0402" H 2650 9400 60  0001 C CNN "Description"
 	1    0    0    -1  
 $EndComp
 $Comp
-L GND #PWR0180
+L GND #PWR162
 U 1 1 57CBB477
 P 2650 9650
-F 0 "#PWR0180" H 2650 9650 30  0001 C CNN
+F 0 "#PWR162" H 2650 9650 30  0001 C CNN
 F 1 "GND" H 2650 9580 30  0001 C CNN
 F 2 "" H 2650 9650 60  0001 C CNN
 F 3 "" H 2650 9650 60  0001 C CNN
 	1    2650 9650
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	2650 9050 2650 9250
-Wire Wire Line
-	2650 9550 2650 9650
-Wire Wire Line
-	2650 9150 3100 9150
-Connection ~ 2650 9150
 Text Label 3100 9150 2    40   ~ 0
 VBUS_SENSE
-Wire Wire Line
-	2650 8650 2650 8750
-Wire Wire Line
-	2650 8650 3050 8650
 Text Label 7750 4650 2    40   ~ 0
 VBUS_SENSE
 Text Label 7750 4550 2    40   ~ 0
 VBUS2_SENSE
 Text Label 7750 4450 2    40   ~ 0
 BARREL_SENSE
-NoConn ~ 7250 4850
-NoConn ~ 7250 4750
-Wire Wire Line
-	7250 4450 7750 4450
-Wire Wire Line
-	7750 4550 7250 4550
-Wire Wire Line
-	7250 4650 7750 4650
 $Comp
 L R R16
 U 1 1 57CBDD42
@@ -1358,23 +1065,16 @@ F 4 "DNP" H 7050 3450 60  0001 C CNN "Note"
 	1    0    0    -1  
 $EndComp
 $Comp
-L VCC #PWR0181
+L VCC #PWR171
 U 1 1 57CBE430
 P 6550 2950
-F 0 "#PWR0181" H 6550 3050 30  0001 C CNN
+F 0 "#PWR171" H 6550 3050 30  0001 C CNN
 F 1 "VCC" H 6550 3050 30  0000 C CNN
 F 2 "" H 6550 2950 60  0001 C CNN
 F 3 "" H 6550 2950 60  0001 C CNN
 	1    6550 2950
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	6550 2950 6550 3050
-Wire Wire Line
-	6550 3350 6550 4050
-Wire Wire Line
-	6550 3450 6900 3450
-Connection ~ 6550 3450
 Text Label 6600 3450 0    40   ~ 0
 !IO_RESET
 $Comp
@@ -1404,16 +1104,445 @@ F 4 "DNP" H 5650 3450 60  0001 C CNN "Note"
 	-1   0    0    1   
 $EndComp
 $Comp
-L VCC #PWR0182
+L VCC #PWR169
 U 1 1 57CBEAA6
 P 6150 2950
-F 0 "#PWR0182" H 6150 3050 30  0001 C CNN
+F 0 "#PWR169" H 6150 3050 30  0001 C CNN
 F 1 "VCC" H 6150 3050 30  0000 C CNN
 F 2 "" H 6150 2950 60  0001 C CNN
 F 3 "" H 6150 2950 60  0001 C CNN
 	1    6150 2950
 	1    0    0    -1  
 $EndComp
+Text Label 5850 3450 0    40   ~ 0
+!IO_INT
+$Comp
+L FOX924B X2
+U 1 1 57CDD95C
+P 9200 5750
+F 0 "X2" H 9200 5900 60  0000 C CNN
+F 1 "FOX924B" H 9200 5600 60  0000 C CNN
+F 2 "" H 9200 5750 60  0000 C CNN
+F 3 "" H 9200 5750 60  0000 C CNN
+	1    9200 5750
+	1    0    0    -1  
+$EndComp
+Text GLabel 9700 5700 2    40   Input ~ 0
+CLKIN
+$Comp
+L GND #PWR182
+U 1 1 57CDDE9F
+P 9700 5900
+F 0 "#PWR182" H 9700 5650 50  0001 C CNN
+F 1 "GND" H 9700 5750 50  0000 C CNN
+F 2 "" H 9700 5900 60  0000 C CNN
+F 3 "" H 9700 5900 60  0000 C CNN
+	1    9700 5900
+	1    0    0    -1  
+$EndComp
+$Comp
+L VCC #PWR179
+U 1 1 57CDE134
+P 8600 4850
+F 0 "#PWR179" H 8600 4700 50  0001 C CNN
+F 1 "VCC" H 8600 5000 50  0000 C CNN
+F 2 "" H 8600 4850 60  0000 C CNN
+F 3 "" H 8600 4850 60  0000 C CNN
+	1    8600 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R17
+U 1 1 57CE0CD6
+P 8350 4950
+F 0 "R17" V 8430 4950 50  0000 C CNN
+F 1 "10k" V 8350 4950 50  0000 C CNN
+F 2 "hackrf:GSG-0402" H 8350 4950 60  0001 C CNN
+F 3 "" H 8350 4950 60  0001 C CNN
+F 4 "Stackpole" H 8350 4950 60  0001 C CNN "Manufacturer"
+F 5 "RMCF0402JT10K0" H 8350 4950 60  0001 C CNN "Part Number"
+F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 8350 4950 60  0001 C CNN "Description"
+	1    8350 4950
+	0    -1   -1   0   
+$EndComp
+$Comp
+L MOSFET_P Q5
+U 1 1 57CE0CF4
+P 8500 5300
+F 0 "Q5" H 8500 5490 60  0000 R CNN
+F 1 "MOSFET_P" H 8500 5120 60  0000 R CNN
+F 2 "gsg-modules:SOT23GDS" H 8500 5300 60  0001 C CNN
+F 3 "" H 8500 5300 60  0001 C CNN
+F 4 "Fairchild" H 8500 5300 60  0001 C CNN "Manufacturer"
+F 5 "BSS84" H 8500 5300 60  0001 C CNN "Part Number"
+F 6 "MOSFET P-CH 50V 130MA SOT-23" H 8500 5300 60  0001 C CNN "Description"
+	1    8500 5300
+	1    0    0    1   
+$EndComp
+$Comp
+L C C69
+U 1 1 57CE1B33
+P 14700 8500
+F 0 "C69" H 14750 8600 50  0000 L CNN
+F 1 "100pF" H 14750 8400 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 14700 8500 60  0001 C CNN
+F 3 "" H 14700 8500 60  0001 C CNN
+F 4 "Murata" H 17700 10050 60  0001 C CNN "Manufacturer"
+F 5 "GRM1555C1H101JA01D" H 17700 10050 60  0001 C CNN "Part Number"
+F 6 "CAP CER 100PF 50V 5% NP0 0402" H 17700 10050 60  0001 C CNN "Description"
+	1    14700 8500
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C71
+U 1 1 57CE1B3D
+P 15000 8500
+F 0 "C71" H 15050 8600 50  0000 L CNN
+F 1 "100nF" H 15050 8400 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 15000 8500 60  0001 C CNN
+F 3 "" H 15000 8500 60  0001 C CNN
+F 4 "Murata" H 15000 8500 60  0001 C CNN "Manufacturer"
+F 5 "GRM155R61A104KA01D" H 15000 8500 60  0001 C CNN "Part Number"
+F 6 "CAP CER 0.1UF 10V 10% X5R 0402" H 15000 8500 60  0001 C CNN "Description"
+	1    15000 8500
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C72
+U 1 1 57CE1B47
+P 15300 8500
+F 0 "C72" H 15350 8600 50  0000 L CNN
+F 1 "10nF" H 15350 8400 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 15300 8500 60  0001 C CNN
+F 3 "" H 15300 8500 60  0001 C CNN
+F 4 "Murata" H 21700 7250 60  0001 C CNN "Manufacturer"
+F 5 "GRM155R71C103KA01D" H 21700 7250 60  0001 C CNN "Part Number"
+F 6 "CAP CER 10000PF 16V 10% X7R 0402" H 21700 7250 60  0001 C CNN "Description"
+	1    15300 8500
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C68
+U 1 1 57CE1C4F
+P 8600 5950
+F 0 "C68" H 8650 6050 50  0000 L CNN
+F 1 "100nF" H 8650 5850 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 8600 5950 60  0001 C CNN
+F 3 "" H 8600 5950 60  0001 C CNN
+F 4 "Murata" H 8600 5950 60  0001 C CNN "Manufacturer"
+F 5 "GRM155R61A104KA01D" H 8600 5950 60  0001 C CNN "Part Number"
+F 6 "CAP CER 0.1UF 10V 10% X5R 0402" H 8600 5950 60  0001 C CNN "Description"
+	1    8600 5950
+	1    0    0    -1  
+$EndComp
+$Comp
+L GND #PWR180
+U 1 1 57CE20D1
+P 8600 6200
+F 0 "#PWR180" H 8600 5950 50  0001 C CNN
+F 1 "GND" H 8600 6050 50  0000 C CNN
+F 2 "" H 8600 6200 60  0000 C CNN
+F 3 "" H 8600 6200 60  0000 C CNN
+	1    8600 6200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
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+Wire Wire Line
+	2200 7250 2200 7350
+Wire Wire Line
+	2200 6300 2200 6450
+Wire Wire Line
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+Wire Wire Line
+	11100 3700 11550 3700
+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
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+Wire Wire Line
+	6450 5550 6450 5650
+Wire Wire Line
+	6350 5650 6350 5550
+Wire Wire Line
+	6250 5550 6250 5650
+Wire Wire Line
+	6150 5650 6150 5550
+Wire Wire Line
+	5650 4550 5750 4550
+Wire Wire Line
+	5750 4650 5650 4650
+Wire Wire Line
+	5650 4750 5750 4750
+Wire Wire Line
+	5750 4850 5650 4850
+Wire Wire Line
+	5650 4950 5750 4950
+Wire Wire Line
+	5750 5050 5650 5050
+Wire Wire Line
+	5650 5150 5750 5150
+Wire Wire Line
+	6650 5550 6650 5650
+Wire Wire Line
+	6750 5550 6750 5650
+Wire Wire Line
+	6350 3950 6350 4050
+Wire Wire Line
+	6450 3950 6450 4050
+Wire Wire Line
+	2050 4350 2050 4450
+Connection ~ 2050 4350
+Wire Wire Line
+	2050 4750 2050 4950
+Wire Wire Line
+	2050 5250 2050 5350
+Wire Wire Line
+	2050 4850 2550 4850
+Connection ~ 2050 4850
+Wire Wire Line
+	2450 3650 3800 3650
+Wire Wire Line
+	2750 3650 2750 3800
+Wire Wire Line
+	3800 4050 3800 4250
+Wire Wire Line
+	3800 4550 3800 4650
+Wire Wire Line
+	3800 4150 4250 4150
+Connection ~ 3800 4150
+Wire Wire Line
+	3800 3650 3800 3750
+Connection ~ 2750 3650
+Wire Wire Line
+	2650 9050 2650 9250
+Wire Wire Line
+	2650 9550 2650 9650
+Wire Wire Line
+	2650 9150 3100 9150
+Connection ~ 2650 9150
+Wire Wire Line
+	2650 8650 2650 8750
+Wire Wire Line
+	2650 8650 3050 8650
+Wire Wire Line
+	7250 4450 7750 4450
+Wire Wire Line
+	7750 4550 7250 4550
+Wire Wire Line
+	7250 4650 7750 4650
+Wire Wire Line
+	6550 2950 6550 3050
+Wire Wire Line
+	6550 3350 6550 4050
+Wire Wire Line
+	6550 3450 6900 3450
+Connection ~ 6550 3450
 Wire Wire Line
 	6150 2950 6150 3050
 Wire Wire Line
@@ -1421,6 +1550,97 @@ Wire Wire Line
 Wire Wire Line
 	6150 3450 5800 3450
 Connection ~ 6150 3450
-Text Label 5850 3450 0    40   ~ 0
-!IO_INT
+Wire Wire Line
+	9600 5700 9700 5700
+Wire Wire Line
+	9600 5800 9700 5800
+Wire Wire Line
+	9700 5800 9700 5900
+Connection ~ 8600 4950
+Wire Wire Line
+	8600 4950 8500 4950
+Wire Wire Line
+	7250 4950 8200 4950
+Wire Wire Line
+	8000 5300 8300 5300
+Connection ~ 8000 4950
+Wire Wire Line
+	8600 5500 8600 5800
+Wire Wire Line
+	8600 5700 8800 5700
+Connection ~ 15000 8650
+Connection ~ 15000 8350
+Connection ~ 15300 8350
+Connection ~ 14700 8350
+Connection ~ 14700 8650
+Connection ~ 15300 8650
+Wire Wire Line
+	13000 8350 15900 8350
+Wire Wire Line
+	13000 8650 15900 8650
+Connection ~ 8600 5700
+Wire Wire Line
+	8600 6100 8600 6200
+Wire Wire Line
+	8600 4850 8600 5100
+Wire Wire Line
+	8000 4950 8000 5700
+Text Label 7300 4950 0    40   ~ 0
+X2_ENABLE
+$Comp
+L R R19
+U 1 1 57CE5098
+P 8000 5850
+F 0 "R19" V 8080 5850 50  0000 C CNN
+F 1 "10k" V 8000 5850 50  0000 C CNN
+F 2 "hackrf:GSG-0402" H 8000 5850 60  0001 C CNN
+F 3 "" H 8000 5850 60  0001 C CNN
+F 4 "Stackpole" H 8000 5850 60  0001 C CNN "Manufacturer"
+F 5 "RMCF0402JT10K0" H 8000 5850 60  0001 C CNN "Part Number"
+F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 8000 5850 60  0001 C CNN "Description"
+F 7 "DNP" V 7900 5850 60  0000 C CNN "Note"
+	1    8000 5850
+	1    0    0    -1  
+$EndComp
+$Comp
+L R R20
+U 1 1 57CE5E04
+P 8250 5600
+F 0 "R20" V 8330 5600 50  0000 C CNN
+F 1 "0" V 8250 5600 50  0000 C CNN
+F 2 "hackrf:GSG-0402" H 8250 5600 60  0001 C CNN
+F 3 "" H 8250 5600 60  0001 C CNN
+F 4 "Stackpole" H 8250 5600 60  0001 C CNN "Manufacturer"
+F 5 "RMCF0402ZT0R00" H 8250 5600 60  0001 C CNN "Part Number"
+F 6 "RES 0.0 OHM 1/16W 0402 SMD" H 8250 5600 60  0001 C CNN "Description"
+F 7 "DNP" V 8400 5600 60  0000 C CNN "Note"
+	1    8250 5600
+	0    1    1    0   
+$EndComp
+$Comp
+L GND #PWR176
+U 1 1 57CE64D2
+P 8000 6100
+F 0 "#PWR176" H 8000 5850 50  0001 C CNN
+F 1 "GND" H 8000 5950 50  0000 C CNN
+F 2 "" H 8000 6100 60  0000 C CNN
+F 3 "" H 8000 6100 60  0000 C CNN
+	1    8000 6100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	8000 6000 8000 6100
+Connection ~ 8000 5300
+Wire Wire Line
+	8000 5600 8100 5600
+Connection ~ 8000 5600
+Wire Wire Line
+	8400 5600 8600 5600
+Connection ~ 8600 5600
+Text Notes 8700 5350 0    40   ~ 0
+Probably we can populate R19 and R20\ninstead of R17 and Q5.
+Text Notes 8400 6600 0    40   ~ 0
+experimental 2.5 ppm clock
+NoConn ~ 7250 4750
+NoConn ~ 7250 4850
 $EndSCHEMATC
diff --git a/hardware/neapolitan/neapolitan-cache.lib b/hardware/neapolitan/neapolitan-cache.lib
index b654c0b..5bf2d12 100644
--- a/hardware/neapolitan/neapolitan-cache.lib
+++ b/hardware/neapolitan/neapolitan-cache.lib
@@ -322,6 +322,22 @@ X 2 2 350 0 150 L 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# FOX924B
+#
+DEF FOX924B X 0 40 Y Y 1 F N
+F0 "X" 0 150 60 H V C CNN
+F1 "FOX924B" 0 -150 60 H V C CNN
+F2 "" 0 0 60 H V C CNN
+F3 "" 0 0 60 H V C CNN
+DRAW
+S -250 100 250 -100 0 1 0 N
+X NC1 1 -400 -50 150 R 50 50 1 1 N
+X GND 2 400 -50 150 L 50 50 1 1 W
+X OUT 3 400 50 150 L 50 50 1 1 O
+X VCC 4 -400 50 150 R 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # GND
 #
 DEF GND #PWR 0 0 Y Y 1 F P
-- 
2.1.4