| 12
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 
 | divert(-1)
# tubedefs.m4
# macros for the Tubediags.m4 file
# Size parameters
define(`tubediam',`dimen_')
define(`tubethick',`2')     # thick line thickness
define(`tubepindiam',`tubediam*3/8')
define(`tubeplatelen',`tubediam/2')
define(`tubegridlen',`tubediam*7/12')
define(`tubecathlen',`tubeplatelen-tubethick bp__')
define(`tubedotthick',`1.2')
define(`tubedotdiam',`tubediam/6')
define(`tgap',`tubediam*3/20')
# Generic tubes
                            `triode(diam,R[N|S|E|W])
                              R=tubeplate at bottom
                              N,S,E,W=half circle'
define(`triode',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  drawEnv(`$2')
  G1: tubegrid(right tubegridlen at Env)
  ifinstr(`$2',R,
   `K1: tubecathode(,`$2') with .s at G1+(0,tgap)
    P1: tubeplate(at G1+(0,-tgap))',
   `K1: tubecathode(,`$2') with .n at G1+(0,-tgap)
    P1: tubeplate(at G1+(0,tgap))')
  `$3' ifelse(`$1',,,`popdef(`tubediam')')] ')
                            `tetrode(diam,R[N|S|E|W])
                              R=tubeplate at bottom
                              N,S,E,W=half circle'
define(`tetrode',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  drawEnv(`$2')
  ifinstr(`$2',R,
   `G1: tubegrid(right tubegridlen at Env+(0,tgap/2))
    G2: tubegrid(right tubegridlen at G1-(0,tgap))
    P1: tubeplate(at G2-(0,tgap))
    K1: tubecathode(,`$2') with .s at G1+(0,tgap)',
   `G1: tubegrid(right tubegridlen at Env-(0,tgap/2))
    G2: tubegrid(right tubegridlen at G1+(0,tgap))
    P1: tubeplate(at G2+(0,tgap))
    K1: tubecathode(,`$2') with .n at G1+(0,-tgap)')
  `$3' ifelse(`$1',,,`popdef(`tubediam')')] ')
                            `pentode(diam,R[N|S|E|W])
                              R=tubeplate at bottom
                              N,S,E,W=half circle'
define(`pentode',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  drawEnv(`$2') pushdef(`tgap',`tubediam/8')
  ifinstr(`$2',R,
   `G2: tubegrid(right tubegridlen at Env-(0,tgap/4))
    G3: tubegrid(right tubegridlen at G2-(0,tgap))
    P1: tubeplate(at G3-(0,tgap))
    G1: tubegrid(right tubegridlen at G2+(0,tgap))
    K1: tubecathode(,`$2') with .s at G1+(0,tgap)',
   `G2: tubegrid(right tubegridlen at Env+(0,tgap/4))
    G3: tubegrid(right tubegridlen at G2+(0,tgap))
    P1: tubeplate(at G3+(0,tgap))
    G1: tubegrid(right tubegridlen at G2-(0,tgap))
    K1: tubecathode(,`$2') with .n at G1-(0,tgap)') popdef(`tgap')
  `$3' ifelse(`$1',,,`popdef(`tubediam')')] ')
# utilities
define(`drawEnv',
 `thktmp = linethick; linethick_(tubethick)
  Env: circle invis diam tubediam
  ifinstr(`$1',N,
   `line from Env.w down tubediam*3/2/8
    line from Env.e down tubediam*3/2/8
    arc from Env.e to Env.w',
  `$1',S,
   `line from Env.w up tubediam*3/2/8
    line from Env.e up tubediam*3/2/8
    arc from Env.w to Env.e',
  `$1',E,
   `line from Env.n left tubediam*3/2/8
    line from Env.s left tubediam*3/2/8
    arc from Env.s to Env.n',
  `$1',W,
   `line from Env.n right tubediam*3/2/8
    line from Env.s right tubediam*3/2/8
    arc from Env.n to Env.s',
   `circle diam tubediam') with .c at Env
  linethick_(thktmp) ')
define(`tubedot',`dot(ifelse(`$1',,`at Here',`$1'),tubedotdiam/2,1,thick tubedotthick)')
define(`pin',`circle diam tubepindiam `$1'')
define(`Base_pins',`define(`pincount',`ifelse(`$2',,8,`$2')')dnl
  define(`pinpattern',`ifelse(`$1',,8,`$1')')dnl
  define(`pininit',`ifelse(`$3',,-90,`$3')')dnl
  for_(1,pincount,1,
   `pinang = pininit+360/(2*pinpattern)-m4x*360/pinpattern
    Pin`'m4x: pin(at \
      Base+(Rect_(Base.rad+tubepindiam/2+tubethick/2bp__,pinang)) \
      ifsvg("svg_small(m4x)","\small m4x"))
    {PinT`'m4x: Base+(Rect_(Base.rad+tubethick/2bp__,pinang))} ')
  ')
# structural elements
                            `tubeplate(attributes,length)'
define(`tubeplate',`line thick tubethick right ifelse(`$2',,tubeplatelen,`$2') `$1'')
define(`thinthick',0.4)dnl
define(`thinline',`line thick thinthick')dnl
define(`tubeTab',`[
  ang = ifelse(`$1',,90,`$1')
  ca = cosd(ang); sa = sind(ang)
  tabht = tubepindiam/2
  tabwd = tabht*5/6
  T0: Here
  T1: T0+(vrot_(0,tabwd/2,ca,sa))
  T2: T0+(vrot_(tabht,tabwd/2,ca,sa))
  T3: T0+(vrot_(tabht,-tabwd/2,ca,sa))
  T4: T0+(vrot_(0,-tabwd/2,ca,sa))
  line from T1 to T2 then to T3 then to T4 fill_(ifelse(`$2',,1,`$2'))
  ] with .T0 at Base+(Rect_(tubediam*3/2/2+tubethick/2bp__,ifelse(`$1',,90,`$1')))
 ') 
define(`tubegrid',`dashline(ifelse(`$1',,`right tubegridlen',`$1'),
  thick tubethick,(tubegridlen*7/8/3),(tubegridlen/8/2))')
                            `tubecathode(length,R)'
define(`tubecathode',`[
  box invis wid ifelse(`$1',,tubecathlen,`$1') ht tubeplatelen/6
  ifinstr(`$2',R,
   `line thick tubethick from last box.nw to last box.sw \
      then to last box.se then to last box.ne',
   `line thick tubethick from last box.sw to last box.nw \
      then to last box.ne then to last box.se ')
  `$3'] ')
                            `tubefilament(length,R)'
define(`tubefilament',`[ define(`filalen',`ifelse(`$1',,`tubeplatelen/3',`$1')')dnl
  round(,tubethick) define(`filn',`ifinstr(`$2',R,-)')
  line thick tubethick up filn`'tubeplatelen/3 right tubeplatelen*2/9; round(,tubethick)
  line thick tubethick down filn`'tubeplatelen/3 right tubeplatelen*2/9
  round(,tubethick)
  `$3'] ')
# specific base examples, bottom view
define(`B_2AG',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  Base: circle thick tubethick diam tubediam*3/2
  Base_pins(8,7)
  Dk1: tubedot(at Base+(0,-tubedotdiam*5/6))
  P1: tubeplate(at Base+(0,tubedotdiam/3))
  thinline from PinT1 to Dk1 chop 0 chop tubedotdiam/2
  thinline from P1 to Base.n
  tubeTab(90)
  `$2' ifelse(`$1',,,`popdef(`tubediam')') ]')
define(`B_2D',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  Base: circle thick tubethick diam tubediam*3/2
  Base_pins(4,4)
  G1: tubegrid(right tubegridlen at Base)
  F1: tubefilament with .n at G1+(0,-tgap)
  P1: tubeplate(at G1+(0,tgap))
  thtmp = linethick; linethick = thinthick
  T1: tubeTab(105)
  T2: tubeTab(75)
  line from PinT1 to F1.sw
  line from PinT4 to F1.se
  line from G1.start left tubediam*3/2/8 then to T1.T0
  line from P1 up tubediam*3/2/8 then to T2.T0
  linethick = thtmp
  `$2' ifelse(`$1',,,`popdef(`tubediam')') ] ')
define(`B_4BB',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  Base: circle thick tubethick diam tubediam*3/2
  Base_pins(8,8)
  K1: tubecathode with .n at Base-(0,tgap/2)
  F1: tubefilament with .n at K1.s
  G1: tubegrid(right tubegridlen at K1.n+(0,tgap))
  P1: tubeplate(at G1+(0,tgap))
  pushdef(`hoprad_',`dimen_/16') thtmp = linethick; linethick_(thinthick)
  T1: tubeTab(135)
  T2: tubeTab(-45)
  T3: tubeTab(-90,0)
  line from PinT2 to F1.sw
  L7: line from PinT7 to F1.se
  line up tgap from P1 then to T1.T0
  move to K1.se
  crossover(to (Here,PinT8),,L7)
  line right tgap from G1.end; corner
  crossover(to (Here,T2.T1),,L7); line to T2.T0
  popdef(`hoprad_') linethick_(thtmp)
  `$2' ifelse(`$1',,,`popdef(`tubediam')') ] ')
define(`B_9K',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  Base: circle thick tubethick diam tubediam*3/2
  Base_pins(10,9,-90-360/20)
  G1: tubegrid(right tubegridlen at Base-(0,tgap/2))
  K1: tubecathode with .n at G1+(0,-tgap)
  F1: tubefilament with .n at K1.s
  G2: tubegrid(right tubegridlen at G1+(0,tgap))
  G3: tubegrid(right tubegridlen at G2+(0,tgap))
  P1: tubeplate(at G3+(0,tgap))
  pushdef(`hoprad_',`dimen_/16') thtmp = linethick; linethick_(thinthick)
  L3: line from G3.start to PinT3
  M6: move from G2.end to (PinT6,G2.end)
  line from M6.start to M6.end then to PinT6
  L7: line from K1.se right tubediam*3/2/5
  L71: line to PinT7
  line up tgap from P1 then left tubeplatelen/2
  { M1: move left tgap down tgap
    M21: move up tgap from PinT1 }
  line to Intersect_(M1,M21)
  crossover(to PinT1,R,L3)
  L8: line right tgap from G1.e
  crossover(to PinT8,,L71)
  line from F1.se to (K1.e+(tgap*3/4,0),F1)
  corner(thinthick)
  crossover(to P1.e+(tgap*3/4,tgap/2),R,L7,L8)
  line to PinT5
  line up tgap*3/2 from PinT9 then to PinT8
  line from F1.sw to (K1.w-(tgap*3/4,0),F1)
  crossover(up P1.y-tgap/2-Here.y,,L3)
  crossover(to PinT4,,M1)
  popdef(`hoprad_') linethick_(thtmp)
  `$2' ifelse(`$1',,,`popdef(`tubediam')') ] ')
# specific tubes
                            `V_6L6G(diam,R[N|S|E|W],G1|G2)
                              R=plate at bottom
                              N,S,E,W=half circle'
define(`V_6L6G',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  drawEnv(`$2') pushdef(`tgap',`tubediam/8')
  ifinstr(`$2',R,
   `G2: tubegrid(right tubegridlen at Env-(0,tgap/4))
    G3: dashline(right tubegridlen at G2-(0,tgap),thick tubethick,
          (tubegridlen*3/10),(tubegridlen*4/10))
    P1: tubeplate(at G3-(0,tgap))
    G1: tubegrid(right tubegridlen at G2+(0,tgap))
    K1: tubecathode(,`$2') with .s at G1+(0,tgap)
    line from K1.nw down tgap/2 left tgap
    crossover(to (Here,G3),R,ifelse(`$3',,G1,`$3')); corner; line to G3.w ',
   `G2: tubegrid(right tubegridlen at Env+(0,tgap/4))
    G3: dashline(right tubegridlen at G2+(0,tgap),thick tubethick,
          (tubegridlen*3/10),(tubegridlen*4/10))
    P1: tubeplate(at G3+(0,tgap))
    G1: tubegrid(right tubegridlen at G2-(0,tgap))
    K1: tubecathode(,`$2') with .n at G1-(0,tgap)
    line from K1.sw up tgap/2 left tgap
    crossover(to (Here,G3),,ifelse(`$3',,G1,`$3')); corner; line to G3.w ')
    popdef(`tgap') `$4' ifelse(`$1',,,`popdef(`tubediam')')] ')
                            `5U4G rectifier(diam,R)'
define(`V_5U4G',`[ ifelse(`$1',,,`pushdef(`tubediam',`$1')')
  drawEnv(`$2')
  P1: line thick tubethick up tubediam/3 with .c at Env-(tubediam/6,0)
  P2: line thick tubethick up tubediam/3 with .c at Env+(tubediam/6,0)
  ifinstr(`$2',R,
   `F1: tubefilament(,R) with .n at Env.n-(0,tubediam/20) ',
   `F1: tubefilament with .s at Env.s+(0,tubediam/20) ')
  `$3'] ')
divert(0)dnl
 |