B G circuit

Version 4
SHEET 1 3096 4404
WIRE 1200 -608 1056 -608
WIRE 1280 -608 1200 -608
WIRE 1456 -608 1280 -608
WIRE 1488 -608 1488 -640
WIRE 1488 -608 1456 -608
WIRE 1536 -608 1488 -608
WIRE 1728 -608 1536 -608
WIRE 1824 -608 1728 -608
WIRE 1728 -592 1728 -608
WIRE 1824 -592 1824 -608
WIRE 1200 -560 1200 -608
WIRE 1280 -560 1280 -608
WIRE 1456 -544 1456 -608
WIRE 1536 -544 1536 -608
WIRE 1056 -528 1056 -608
WIRE 1728 -512 1728 -528
WIRE 1200 -480 1200 -496
WIRE 1200 -480 1120 -480
WIRE 1280 -480 1200 -480
WIRE 1824 -464 1824 -512
WIRE 1824 -464 1792 -464
WIRE 1280 -432 1280 -480
WIRE 1456 -432 1456 -480
WIRE 1056 -400 1056 -432
WIRE 1056 -400 976 -400
WIRE 1120 -400 1056 -400
WIRE 1824 -400 1824 -464
WIRE 1536 -384 1536 -464
WIRE 1536 -384 1520 -384
WIRE 1728 -352 1728 -416
WIRE 1728 -352 1696 -352
WIRE 1760 -352 1728 -352
WIRE 1536 -320 1536 -384
WIRE 1456 -272 1456 -336
WIRE 1456 -272 1216 -272
WIRE 1472 -272 1456 -272
WIRE 1824 -256 1824 -304
WIRE 1936 -256 1824 -256
WIRE 976 -208 976 -320
WIRE 1760 -208 976 -208
WIRE 1120 -128 1120 -320
WIRE 2000 -128 2000 -208
WIRE 2000 -128 1120 -128
WIRE 1936 -96 1936 -160
WIRE 2176 -96 1936 -96
WIRE 1536 -80 1536 -224
WIRE 1536 -80 1424 -80
WIRE 1552 -80 1536 -80
WIRE 1936 -48 1936 -96
WIRE 1952 -48 1936 -48
WIRE 2048 -48 2016 -48
WIRE 1360 -32 848 -32
WIRE 1936 0 1936 -48
WIRE 976 16 976 -208
WIRE 1120 16 1120 -128
WIRE 912 64 864 64
WIRE 1936 80 1936 64
WIRE 1936 80 1904 80
WIRE 1952 80 1936 80
WIRE 2048 80 2048 -48
WIRE 2048 80 2016 80
WIRE 1056 112 976 112
WIRE 1120 112 1056 112
WIRE 1936 112 1936 80
WIRE 1936 112 1904 112
WIRE 2048 112 2048 80
WIRE 2064 112 2048 112
WIRE 1184 128 1184 64
WIRE 1184 128 816 128
WIRE 1424 160 1424 16
WIRE 1840 160 1424 160
WIRE 1216 192 1216 -272
WIRE 2000 208 1904 208
WIRE 2064 208 2000 208
WIRE 1056 240 1056 112
WIRE 1552 240 1552 16
WIRE 2128 240 2128 160
WIRE 2128 240 1552 240
WIRE 1696 256 1696 -352
WIRE 1152 288 1120 288
WIRE 1216 288 1216 272
WIRE 1216 288 1152 288
WIRE 1424 288 1424 160
WIRE 1552 288 1552 240
WIRE 2000 288 2000 208
WIRE 1152 320 1152 288
WIRE 304 336 224 336
WIRE 592 336 560 336
WIRE 1872 336 1696 336
WIRE 1936 336 1872 336
WIRE 1872 352 1872 336
WIRE 560 368 560 336
WIRE 560 368 320 368
WIRE 1056 368 1056 336
WIRE 1088 368 1056 368
WIRE 1504 368 1424 368
WIRE 1552 368 1504 368
WIRE 320 400 320 368
WIRE 560 400 560 368
WIRE 1056 400 1056 368
WIRE 2000 400 2000 384
WIRE 2000 400 1936 400
WIRE 1504 416 1504 368
WIRE 160 448 128 448
WIRE 224 448 224 336
WIRE 240 448 224 448
WIRE 480 448 400 448
WIRE 672 448 640 448
WIRE 1152 448 1152 416
WIRE 2000 448 2000 400
WIRE 1280 464 1280 384
WIRE 1360 464 1280 464
WIRE 1440 464 1360 464
WIRE 1872 464 1872 448
WIRE 1360 480 1360 464
WIRE 192 496 160 496
WIRE 240 496 192 496
WIRE 480 496 448 496
WIRE 1056 544 1056 480
WIRE 1152 544 1152 512
WIRE 1152 544 1056 544
WIRE 1280 544 1152 544
WIRE 1360 544 1280 544
WIRE 1504 544 1504 512
WIRE 1504 544 1360 544
WIRE 1872 544 1872 528
WIRE 1872 544 1504 544
WIRE 2000 544 2000 528
WIRE 2000 544 1872 544
WIRE 192 560 192 496
WIRE 448 560 448 496
WIRE 448 560 192 560
WIRE 320 576 320 544
WIRE 560 576 560 544
WIRE 560 576 320 576
WIRE 1504 576 1504 544
WIRE 320 592 320 576
FLAG 816 720 0
FLAG 928 720 0
FLAG 816 640 10MHz
IOPIN 816 640 Out
FLAG 928 640 PPS
IOPIN 928 640 Out
FLAG 672 720 0
FLAG 672 640 Vth
FLAG 560 720 0
FLAG 560 640 Vp
FLAG 320 592 0
FLAG 160 496 10MHz
IOPIN 160 496 In
FLAG 672 448 Ramp
IOPIN 672 448 Out
FLAG 304 336 Discharge
IOPIN 304 336 Out
FLAG 128 448 PPS
IOPIN 128 448 In
FLAG 160 464 0
FLAG 240 544 0
FLAG 480 544 0
FLAG 592 336 RST
IOPIN 592 336 In
FLAG 1024 688 0
FLAG 1024 608 RST
IOPIN 1024 608 Out
FLAG 1488 -640 Vp
FLAG 1280 -352 0
FLAG 1280 304 0
FLAG 1824 -160 0
FLAG 480 720 0
FLAG 480 640 Vl
FLAG 864 64 Vth
FLAG 1616 -32 Vth
FLAG 1904 80 0
FLAG 816 128 Ramp
IOPIN 816 128 In
FLAG 848 -32 Discharge
IOPIN 848 -32 In
FLAG 1504 576 Vl
FLAG 2176 -96 Out
IOPIN 2176 -96 Out
SYMBOL voltage 816 624 R0
WINDOW 123 1 184 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -59 131 Left 2
SYMATTR Value PULSE(0 5 0 1n 1n 50n 100n)
SYMATTR InstName V1
SYMBOL voltage 928 624 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 27 104 Left 2
SYMATTR Value PULSE(0 5.2 45n 1n 1n 20u .10001m)
SYMATTR InstName V2
SYMBOL voltage 672 624 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL Digital\\dflop 560 400 R0
SYMATTR InstName A2
SYMATTR Value2 Vhigh=5 Td=3n Trise=1n
SYMBOL voltage 560 624 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 15
SYMBOL Digital\\dflop 320 400 R0
SYMATTR InstName A14
SYMATTR Value2 Vhigh=5 Td=3n Trise=1n
SYMBOL Digital\\inv 160 384 R0
SYMATTR InstName A17
SYMATTR Value2 Vhigh=5 Td=3n Trise=1n
SYMBOL voltage 1024 592 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 27 104 Left 2
SYMATTR Value PULSE(0 5.2 1u 1n 1n 1u 0 1)
SYMATTR InstName V5
SYMBOL npn 1120 -528 M0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn 912 16 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL npn 1184 16 M0
WINDOW 3 28 68 Left 2
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL npn 1120 240 M0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL npn 1088 320 R0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL pnp 1520 -336 R180
SYMATTR InstName Q8
SYMATTR Value 2N3906
SYMBOL pnp 1472 -224 M180
SYMATTR InstName Q9
SYMATTR Value 2N3906
SYMBOL pnp 1792 -416 R180
SYMATTR InstName Q10
SYMATTR Value 2N3906
SYMBOL pnp 1760 -304 M180
SYMATTR InstName Q11
SYMATTR Value 2N3906
SYMBOL pnp 1360 16 M180
WINDOW 0 59 29 Left 2
WINDOW 3 206 102 Left 2
SYMATTR InstName Q12
SYMATTR Value 2N3906
SYMBOL pnp 1616 16 R180
WINDOW 0 40 34 Left 2
WINDOW 3 213 99 Left 2
SYMATTR InstName Q13
SYMATTR Value 2N3906
SYMBOL LED 1440 -544 R0
WINDOW 3 -21 -29 Left 2
SYMATTR InstName D1
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 1712 -592 R0
WINDOW 3 27 -40 Left 2
SYMATTR InstName D2
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LED 1136 448 R0
WINDOW 3 24 123 Left 2
SYMATTR InstName D3
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 1184 -560 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 1264 -576 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 1264 -448 R0
SYMATTR InstName R2
SYMATTR Value 1k5
SYMBOL res 960 -416 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL res 1104 -416 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 1520 -560 R0
SYMATTR InstName R5
SYMATTR Value 120
SYMBOL res 1808 -608 R0
SYMATTR InstName R6
SYMATTR Value 120
SYMBOL res 1408 272 R0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL res 1536 272 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res 1200 176 R0
SYMATTR InstName R9
SYMATTR Value 3k3
SYMBOL res 1040 384 R0
SYMATTR InstName R10
SYMATTR Value 120
SYMBOL npn 1936 288 R0
SYMATTR InstName Q16
SYMATTR Value 2N3904
SYMBOL npn 1936 352 M0
SYMATTR InstName Q17
SYMATTR Value 2N3904
SYMBOL LED 1888 464 M0
WINDOW 3 10 98 Left 2
SYMATTR InstName D5
SYMATTR Value QTLP690C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1712 240 M0
SYMATTR InstName R11
SYMATTR Value 3k3
SYMBOL res 2016 432 M0
SYMATTR InstName R14
SYMATTR Value 100
SYMBOL pnp 1440 512 M180
SYMATTR InstName Q6
SYMATTR Value 2N3906
SYMBOL cap 1344 480 R0
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL res 1264 448 R0
SYMATTR InstName R15
SYMATTR Value 1k
SYMBOL res 1264 288 R0
SYMATTR InstName R16
SYMATTR Value 1k5
SYMBOL cap 1920 0 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL schottky 1952 -32 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 45 VBottom 2
SYMATTR InstName D4
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 1952 96 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 3 50 VBottom 2
SYMATTR InstName D6
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp 2000 -160 R180
WINDOW 0 26 35 Left 2
WINDOW 3 -25 106 Left 2
SYMATTR InstName Q18
SYMATTR Value 2N3906
SYMBOL pnp 1760 -160 M180
WINDOW 0 39 32 Left 2
WINDOW 3 -31 103 Left 2
SYMATTR InstName Q19
SYMATTR Value 2N3906
SYMBOL voltage 480 736 R180
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V6
SYMATTR Value 15
SYMBOL npn 1840 112 R0
WINDOW 0 53 34 Left 2
SYMATTR InstName Q14
SYMATTR Value 2N3904
SYMBOL npn 2128 112 M0
SYMATTR InstName Q15
SYMATTR Value 2N3904
TEXT 280 816 Left 2 !.tran 100m
TEXT 160 696 Left 2 ;23-12-2012
TEXT 160 728 Left 2 ;Bruce Griffiths circuit