From 9fd62846b827e85ffb8ca006db74f10064cb9e4b Mon Sep 17 00:00:00 2001
From: Michael Ossmann <mike@ossmann.com>
Date: Tue, 20 Sep 2016 16:04:12 -0600
Subject: [PATCH 103/111] Neapolitan: experimental 10 ppb clock in schematic

---
 hardware/gsg-kicad-lib                   |   2 +-
 hardware/neapolitan/mcu.sch              | 332 ++++++++++++++++++++++++++-----
 hardware/neapolitan/neapolitan-cache.lib |  16 ++
 3 files changed, 296 insertions(+), 54 deletions(-)

diff --git a/hardware/gsg-kicad-lib b/hardware/gsg-kicad-lib
index 247762e..78ae279 160000
--- a/hardware/gsg-kicad-lib
+++ b/hardware/gsg-kicad-lib
@@ -1 +1 @@
-Subproject commit 247762e788d0415cf13354db6f250ca5da6706d3
+Subproject commit 78ae2791c85c7b3aa34a8ac4f8d6bf9b377bc631
diff --git a/hardware/neapolitan/mcu.sch b/hardware/neapolitan/mcu.sch
index d0b678c..89fcd6b 100644
--- a/hardware/neapolitan/mcu.sch
+++ b/hardware/neapolitan/mcu.sch
@@ -1251,7 +1251,6 @@ Text Notes 8800 5850 0    40   ~ 0
 Probably we can populate R19\nand R20 (active high) instead\nof R17 and Q5 (active low).
 Text Notes 8400 7100 0    40   ~ 0
 experimental 2.5 ppm clock
-NoConn ~ 7250 4750
 $Comp
 L KT2520 X3
 U 1 1 57CE8B5F
@@ -1566,6 +1565,141 @@ F 7 "DNP" V 11900 7850 60  0000 C CNN "Note"
 	1    12000 7850
 	0    -1   -1   0   
 $EndComp
+Text GLabel 13550 7050 2    40   Input ~ 0
+CLKIN
+$Comp
+L R R?
+U 1 1 57E30224
+P 10500 5200
+F 0 "R?" V 10580 5200 50  0000 C CNN
+F 1 "10k" V 10500 5200 50  0000 C CNN
+F 2 "hackrf:GSG-0402" H 10500 5200 60  0001 C CNN
+F 3 "" H 10500 5200 60  0001 C CNN
+F 4 "Stackpole" H 10500 5200 60  0001 C CNN "Manufacturer"
+F 5 "RMCF0402JT10K0" H 10500 5200 60  0001 C CNN "Part Number"
+F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 10500 5200 60  0001 C CNN "Description"
+	1    10500 5200
+	0    -1   -1   0   
+$EndComp
+$Comp
+L VCC #PWR?
+U 1 1 57E30EE5
+P 10750 5100
+F 0 "#PWR?" H 10750 4950 50  0001 C CNN
+F 1 "VCC" H 10750 5250 50  0000 C CNN
+F 2 "" H 10750 5100 60  0000 C CNN
+F 3 "" H 10750 5100 60  0000 C CNN
+	1    10750 5100
+	1    0    0    -1  
+$EndComp
+$Comp
+L OH4 X4
+U 1 1 57E3681D
+P 14850 6150
+F 0 "X4" H 14850 6300 60  0000 C CNN
+F 1 "OH4" H 14850 6000 60  0000 C CNN
+F 2 "" H 14850 6150 60  0000 C CNN
+F 3 "" H 14850 6150 60  0000 C CNN
+F 4 "Connor-Winfield" H 14850 6150 60  0001 C CNN "Manufacturer"
+F 5 "OH4610LF-010.0M" H 14850 6150 60  0001 C CNN "Part Number"
+F 6 "10MHz LVCMOS OCXO Oscillator Through Hole 3.3V" H 14850 6150 60  0001 C CNN "Description"
+	1    14850 6150
+	1    0    0    -1  
+$EndComp
+$Comp
+L MOSFET_P Q?
+U 1 1 57E36AF3
+P 15600 5050
+F 0 "Q?" H 15600 5240 60  0000 R CNN
+F 1 "MOSFET_P" H 15600 4870 60  0000 R CNN
+F 2 "gsg-modules:SOT23GDS" H 15600 5050 60  0001 C CNN
+F 3 "" H 15600 5050 60  0001 C CNN
+F 4 "Fairchild" H 15600 5050 60  0001 C CNN "Manufacturer"
+F 5 "BSS84" H 15600 5050 60  0001 C CNN "Part Number"
+F 6 "MOSFET P-CH 50V 130MA SOT-23" H 15600 5050 60  0001 C CNN "Description"
+	1    15600 5050
+	1    0    0    1   
+$EndComp
+$Comp
+L R R?
+U 1 1 57E36AFC
+P 15450 4750
+F 0 "R?" V 15530 4750 50  0000 C CNN
+F 1 "10k" V 15450 4750 50  0000 C CNN
+F 2 "hackrf:GSG-0402" H 15450 4750 60  0001 C CNN
+F 3 "" H 15450 4750 60  0001 C CNN
+F 4 "Stackpole" H 15450 4750 60  0001 C CNN "Manufacturer"
+F 5 "RMCF0402JT10K0" H 15450 4750 60  0001 C CNN "Part Number"
+F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 15450 4750 60  0001 C CNN "Description"
+	1    15450 4750
+	0    -1   -1   0   
+$EndComp
+$Comp
+L VCC #PWR?
+U 1 1 57E36B04
+P 15700 4650
+F 0 "#PWR?" H 15700 4500 50  0001 C CNN
+F 1 "VCC" H 15700 4800 50  0000 C CNN
+F 2 "" H 15700 4650 60  0000 C CNN
+F 3 "" H 15700 4650 60  0000 C CNN
+	1    15700 4650
+	1    0    0    -1  
+$EndComp
+NoConn ~ 14350 6100
+$Comp
+L GND #PWR?
+U 1 1 57E37EB7
+P 14250 6300
+F 0 "#PWR?" H 14250 6050 50  0001 C CNN
+F 1 "GND" H 14250 6150 50  0000 C CNN
+F 2 "" H 14250 6300 60  0000 C CNN
+F 3 "" H 14250 6300 60  0000 C CNN
+	1    14250 6300
+	1    0    0    -1  
+$EndComp
+Text GLabel 15550 6200 2    40   Input ~ 0
+CLKIN
+Text Label 7300 4750 0    40   ~ 0
+X4_ENABLE
+$Comp
+L C C?
+U 1 1 57E3966F
+P 15700 5600
+F 0 "C?" H 15750 5700 50  0000 L CNN
+F 1 "10nF" H 15750 5500 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 15700 5600 60  0001 C CNN
+F 3 "" H 15700 5600 60  0001 C CNN
+F 4 "Murata" H 22100 4350 60  0001 C CNN "Manufacturer"
+F 5 "GRM155R71C103KA01D" H 22100 4350 60  0001 C CNN "Part Number"
+F 6 "CAP CER 10000PF 16V 10% X7R 0402" H 22100 4350 60  0001 C CNN "Description"
+	1    15700 5600
+	-1   0    0    1   
+$EndComp
+$Comp
+L GND #PWR?
+U 1 1 57E39AAF
+P 15700 5850
+F 0 "#PWR?" H 15700 5600 50  0001 C CNN
+F 1 "GND" H 15700 5700 50  0000 C CNN
+F 2 "" H 15700 5850 60  0000 C CNN
+F 3 "" H 15700 5850 60  0000 C CNN
+	1    15700 5850
+	1    0    0    -1  
+$EndComp
+$Comp
+L C C?
+U 1 1 57E3C654
+P 15450 6450
+F 0 "C?" H 15500 6550 50  0000 L CNN
+F 1 "22pF" H 15500 6350 50  0000 L CNN
+F 2 "hackrf:GSG-0402" H 15450 6450 60  0001 C CNN
+F 3 "" H 15450 6450 60  0001 C CNN
+F 4 "Murata" H 15400 4900 60  0001 C CNN "Manufacturer"
+F 5 "GRM1555C1H220JA01D" H 15400 4900 60  0001 C CNN "Part Number"
+F 6 "CAP CER 22PF 50V 5% NP0 0402" H 15400 4900 60  0001 C CNN "Description"
+	1    15450 6450
+	1    0    0    -1  
+$EndComp
 Wire Wire Line
 	2200 6750 2200 6850
 Wire Wire Line
@@ -1723,14 +1857,22 @@ Wire Wire Line
 Wire Wire Line
 	8600 10150 8200 10150
 Wire Wire Line
-	1150 1900 1150 3000
+	1150 1900 1150 2250
+Wire Wire Line
+	1150 2250 1150 2600
+Wire Wire Line
+	1150 2600 1150 2800
+Wire Wire Line
+	1150 2800 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
+	1650 1800 1650 1900
+Wire Wire Line
+	1650 1900 1650 2250
 Wire Wire Line
 	1550 1900 1650 1900
 Connection ~ 1650 1900
@@ -1749,7 +1891,11 @@ Wire Wire Line
 Wire Wire Line
 	1750 3250 1650 3250
 Wire Wire Line
-	2750 4100 2750 4450
+	2750 4100 2750 4250
+Wire Wire Line
+	2750 4250 2750 4350
+Wire Wire Line
+	2750 4350 2750 4450
 Wire Wire Line
 	3450 4250 3150 4250
 Wire Wire Line
@@ -1765,9 +1911,13 @@ Wire Wire Line
 	2550 4350 2750 4350
 Connection ~ 2750 4350
 Wire Wire Line
-	1750 4350 2250 4350
+	1750 4350 2050 4350
+Wire Wire Line
+	2050 4350 2250 4350
+Wire Wire Line
+	6850 3850 6850 3950
 Wire Wire Line
-	6850 3850 6850 4050
+	6850 3950 6850 4050
 Wire Wire Line
 	6650 3950 6650 4050
 Wire Wire Line
@@ -1819,18 +1969,24 @@ Wire Wire Line
 	2050 4350 2050 4450
 Connection ~ 2050 4350
 Wire Wire Line
-	2050 4750 2050 4950
+	2050 4750 2050 4850
+Wire Wire Line
+	2050 4850 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
+	2450 3650 2750 3650
+Wire Wire Line
+	2750 3650 3800 3650
 Wire Wire Line
 	2750 3650 2750 3800
 Wire Wire Line
-	3800 4050 3800 4250
+	3800 4050 3800 4150
+Wire Wire Line
+	3800 4150 3800 4250
 Wire Wire Line
 	3800 4550 3800 4650
 Wire Wire Line
@@ -1840,7 +1996,9 @@ Wire Wire Line
 	3800 3650 3800 3750
 Connection ~ 2750 3650
 Wire Wire Line
-	2650 9050 2650 9250
+	2650 9050 2650 9150
+Wire Wire Line
+	2650 9150 2650 9250
 Wire Wire Line
 	2650 9550 2650 9650
 Wire Wire Line
@@ -1859,14 +2017,18 @@ Wire Wire Line
 Wire Wire Line
 	6550 2950 6550 3050
 Wire Wire Line
-	6550 3350 6550 4050
+	6550 3350 6550 3450
+Wire Wire Line
+	6550 3450 6550 4050
 Wire Wire Line
 	6550 3450 6900 3450
 Connection ~ 6550 3450
 Wire Wire Line
 	6150 2950 6150 3050
 Wire Wire Line
-	6150 3350 6150 4050
+	6150 3350 6150 3450
+Wire Wire Line
+	6150 3450 6150 4050
 Wire Wire Line
 	6150 3450 5800 3450
 Connection ~ 6150 3450
@@ -1883,16 +2045,28 @@ Wire Wire Line
 	8000 5800 8300 5800
 Connection ~ 8000 5450
 Wire Wire Line
-	8600 6000 8600 6300
+	8600 6000 8600 6100
+Wire Wire Line
+	8600 6100 8600 6200
+Wire Wire Line
+	8600 6200 8600 6300
 Wire Wire Line
 	8600 6200 8800 6200
 Connection ~ 8600 6200
 Wire Wire Line
 	8600 6600 8600 6700
 Wire Wire Line
-	8600 5350 8600 5600
+	8600 5350 8600 5450
+Wire Wire Line
+	8600 5450 8600 5600
 Wire Wire Line
-	8000 4950 8000 6200
+	8000 4950 8000 5450
+Wire Wire Line
+	8000 5450 8000 5800
+Wire Wire Line
+	8000 5800 8000 6100
+Wire Wire Line
+	8000 6100 8000 6200
 Wire Wire Line
 	8000 6500 8000 6600
 Connection ~ 8000 5800
@@ -1905,12 +2079,16 @@ Connection ~ 8600 6100
 Wire Wire Line
 	10950 6850 10850 6850
 Wire Wire Line
-	10850 6850 10850 7150
+	10850 6850 10850 7050
+Wire Wire Line
+	10850 7050 10850 7150
 Wire Wire Line
 	10850 7050 10950 7050
 Connection ~ 10850 7050
 Wire Wire Line
-	11750 6150 12000 6150
+	11750 6150 11850 6150
+Wire Wire Line
+	11850 6150 12000 6150
 Wire Wire Line
 	11850 6150 11850 6850
 Wire Wire Line
@@ -1933,7 +2111,9 @@ Wire Wire Line
 Wire Wire Line
 	10950 6150 10450 6150
 Wire Wire Line
-	10450 6050 10450 6250
+	10450 6050 10450 6150
+Wire Wire Line
+	10450 6150 10450 6250
 Wire Wire Line
 	10450 6550 10450 6650
 Connection ~ 10450 6150
@@ -1944,12 +2124,16 @@ Wire Wire Line
 Wire Wire Line
 	12950 6550 12950 6450
 Wire Wire Line
-	12850 6050 13050 6050
+	12850 6050 12950 6050
+Wire Wire Line
+	12950 6050 13050 6050
 Wire Wire Line
 	12950 6050 12950 6150
 Connection ~ 12950 6050
 Wire Wire Line
-	13350 7050 13550 7050
+	13350 7050 13450 7050
+Wire Wire Line
+	13450 7050 13550 7050
 Wire Wire Line
 	13450 7050 13450 6050
 Wire Wire Line
@@ -1957,9 +2141,13 @@ Wire Wire Line
 Wire Wire Line
 	12250 8450 12250 8350
 Wire Wire Line
-	12150 7850 12350 7850
+	12150 7850 12250 7850
+Wire Wire Line
+	12250 7850 12350 7850
 Wire Wire Line
-	12250 7750 12250 8050
+	12250 7750 12250 7850
+Wire Wire Line
+	12250 7850 12250 8050
 Connection ~ 12250 7850
 Wire Wire Line
 	11750 7750 11750 7850
@@ -1970,7 +2158,11 @@ Wire Wire Line
 Wire Wire Line
 	12750 7850 12750 7950
 Wire Wire Line
-	12150 7050 12450 7050
+	12150 7050 12250 7050
+Wire Wire Line
+	12250 7050 12350 7050
+Wire Wire Line
+	12350 7050 12450 7050
 Wire Wire Line
 	12350 7050 12350 6050
 Wire Wire Line
@@ -1979,45 +2171,24 @@ Connection ~ 12350 7050
 Wire Wire Line
 	12250 7050 12250 7150
 Connection ~ 12250 7050
-Text GLabel 13550 7050 2    40   Input ~ 0
-CLKIN
 Connection ~ 13450 7050
-$Comp
-L R R?
-U 1 1 57E30224
-P 10500 5200
-F 0 "R?" V 10580 5200 50  0000 C CNN
-F 1 "10k" V 10500 5200 50  0000 C CNN
-F 2 "hackrf:GSG-0402" H 10500 5200 60  0001 C CNN
-F 3 "" H 10500 5200 60  0001 C CNN
-F 4 "Stackpole" H 10500 5200 60  0001 C CNN "Manufacturer"
-F 5 "RMCF0402JT10K0" H 10500 5200 60  0001 C CNN "Part Number"
-F 6 "RES 10K OHM 1/16W 5% 0402 SMD" H 10500 5200 60  0001 C CNN "Description"
-	1    10500 5200
-	0    -1   -1   0   
-$EndComp
 Wire Wire Line
-	10750 5700 10750 6350
+	10750 5700 10750 5800
+Wire Wire Line
+	10750 5800 10750 6350
+Wire Wire Line
+	10750 5100 10750 5200
 Wire Wire Line
-	10750 5100 10750 5300
+	10750 5200 10750 5300
 Wire Wire Line
 	10750 5200 10650 5200
-$Comp
-L VCC #PWR?
-U 1 1 57E30EE5
-P 10750 5100
-F 0 "#PWR?" H 10750 4950 50  0001 C CNN
-F 1 "VCC" H 10750 5250 50  0000 C CNN
-F 2 "" H 10750 5100 60  0000 C CNN
-F 3 "" H 10750 5100 60  0000 C CNN
-	1    10750 5100
-	1    0    0    -1  
-$EndComp
 Connection ~ 10750 5200
 Wire Wire Line
 	7250 4850 10150 4850
 Wire Wire Line
-	10150 4850 10150 5500
+	10150 4850 10150 5200
+Wire Wire Line
+	10150 5200 10150 5500
 Wire Wire Line
 	10150 5500 10450 5500
 Wire Wire Line
@@ -2032,4 +2203,59 @@ Wire Wire Line
 	12850 6750 12250 6750
 Wire Wire Line
 	12250 6750 12250 5800
+Wire Wire Line
+	15700 4650 15700 4750
+Wire Wire Line
+	15700 4750 15700 4850
+Wire Wire Line
+	15700 4750 15600 4750
+Connection ~ 15700 4750
+Wire Wire Line
+	15100 5050 15400 5050
+Wire Wire Line
+	15300 4750 15100 4750
+Connection ~ 15100 4750
+Wire Wire Line
+	15700 5250 15700 5350
+Wire Wire Line
+	15700 5350 15700 5450
+Wire Wire Line
+	14250 6300 14250 6200
+Wire Wire Line
+	14250 6200 14350 6200
+Wire Wire Line
+	15100 4750 15100 5050
+Wire Wire Line
+	15100 4750 7250 4750
+Connection ~ 15700 5350
+Wire Wire Line
+	15700 5850 15700 5750
+Wire Wire Line
+	15450 5350 15700 5350
+Wire Wire Line
+	15450 5350 15450 6100
+Wire Wire Line
+	15450 6100 15350 6100
+$Comp
+L GND #PWR?
+U 1 1 57E3EB3F
+P 15450 6700
+F 0 "#PWR?" H 15450 6450 50  0001 C CNN
+F 1 "GND" H 15450 6550 50  0000 C CNN
+F 2 "" H 15450 6700 60  0000 C CNN
+F 3 "" H 15450 6700 60  0000 C CNN
+	1    15450 6700
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	15450 6600 15450 6700
+Wire Wire Line
+	15350 6200 15450 6200
+Wire Wire Line
+	15450 6200 15550 6200
+Wire Wire Line
+	15450 6200 15450 6300
+Connection ~ 15450 6200
+Text Notes 14250 6850 0    40   ~ 0
+experimental 10 ppb clock
 $EndSCHEMATC
diff --git a/hardware/neapolitan/neapolitan-cache.lib b/hardware/neapolitan/neapolitan-cache.lib
index dbb9665..feab279 100644
--- a/hardware/neapolitan/neapolitan-cache.lib
+++ b/hardware/neapolitan/neapolitan-cache.lib
@@ -602,6 +602,22 @@ X S S 100 -200 100 U 40 40 1 1 P
 ENDDRAW
 ENDDEF
 #
+# OH4
+#
+DEF OH4 X 0 40 Y Y 1 F N
+F0 "X" 0 150 60 H V C CNN
+F1 "OH4" 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 -300 100 300 -100 0 1 0 N
+X NC/VC 1 -500 50 200 R 50 50 1 1 I
+X GND 7 -500 -50 200 R 50 50 1 1 W
+X OUT 8 500 -50 200 L 50 50 1 1 O
+X VCC 14 500 50 200 L 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # R
 #
 DEF R R 0 0 N Y 1 F N
-- 
2.1.4