Version 4
SHEET 1 2676 680
WIRE 832 -304 432 -304
WIRE 1184 -304 832 -304
WIRE 1552 -304 1184 -304
WIRE 2128 -304 1552 -304
WIRE 2608 -304 2128 -304
WIRE 560 -272 32 -272
WIRE 912 -272 560 -272
WIRE 1280 -272 912 -272
WIRE 1856 -272 1280 -272
WIRE 2272 -272 1856 -272
WIRE 2336 -272 2272 -272
WIRE 2272 -256 2272 -272
WIRE 560 -224 560 -272
WIRE 592 -224 560 -224
WIRE 832 -224 832 -304
WIRE 832 -224 800 -224
WIRE 912 -224 912 -272
WIRE 944 -224 912 -224
WIRE 1184 -224 1184 -304
WIRE 1184 -224 1152 -224
WIRE 1280 -224 1280 -272
WIRE 1312 -224 1280 -224
WIRE 1552 -224 1552 -304
WIRE 1552 -224 1520 -224
WIRE 1856 -224 1856 -272
WIRE 1888 -224 1856 -224
WIRE 2128 -224 2128 -304
WIRE 2128 -224 2096 -224
WIRE 2336 -224 2336 -272
WIRE 2368 -224 2336 -224
WIRE 2608 -224 2608 -304
WIRE 2608 -224 2576 -224
WIRE 592 -192 528 -192
WIRE 848 -192 800 -192
WIRE 880 -192 848 -192
WIRE 944 -192 880 -192
WIRE 1200 -192 1152 -192
WIRE 1232 -192 1200 -192
WIRE 1312 -192 1232 -192
WIRE 1552 -192 1520 -192
WIRE 1584 -192 1552 -192
WIRE 1648 -192 1584 -192
WIRE 1808 -192 1712 -192
WIRE 1856 -192 1808 -192
WIRE 1888 -192 1856 -192
WIRE 2128 -192 2096 -192
WIRE 2176 -192 2128 -192
WIRE 2240 -192 2176 -192
WIRE 880 -176 880 -192
WIRE 1232 -176 1232 -192
WIRE 1584 -176 1584 -192
WIRE 2176 -176 2176 -192
WIRE 32 -160 32 -272
WIRE 64 -160 32 -160
WIRE 432 -160 432 -304
WIRE 432 -160 368 -160
WIRE 560 -144 560 -224
WIRE 592 -144 560 -144
WIRE 2272 -144 2272 -176
WIRE 2368 -144 2272 -144
WIRE -224 -112 -288 -112
WIRE 0 -112 -160 -112
WIRE 64 -112 0 -112
WIRE 496 -112 368 -112
WIRE 528 -112 528 -192
WIRE 528 -112 496 -112
WIRE 2240 -112 2240 -192
WIRE 2368 -112 2240 -112
WIRE 2624 -112 2576 -112
WIRE 2672 -112 2624 -112
WIRE 592 -80 464 -80
WIRE 848 -80 800 -80
WIRE 880 -80 880 -96
WIRE 880 -80 848 -80
WIRE 944 -80 880 -80
WIRE 1200 -80 1152 -80
WIRE 1232 -80 1232 -96
WIRE 1232 -80 1200 -80
WIRE 1312 -80 1232 -80
WIRE 1552 -80 1520 -80
WIRE 1584 -80 1584 -96
WIRE 1584 -80 1552 -80
WIRE 1648 -80 1584 -80
WIRE 1728 -80 1712 -80
WIRE 1856 -80 1728 -80
WIRE 1888 -80 1856 -80
WIRE 2128 -80 2096 -80
WIRE 2176 -80 2176 -96
WIRE 2176 -80 2128 -80
WIRE 2368 -80 2176 -80
WIRE 2624 -80 2576 -80
WIRE 2672 -80 2624 -80
WIRE 64 -64 0 -64
WIRE 400 -64 368 -64
WIRE 592 -48 496 -48
WIRE 832 -48 800 -48
WIRE 944 -48 912 -48
WIRE 1184 -48 1152 -48
WIRE 1312 -48 1280 -48
WIRE 1552 -48 1520 -48
WIRE 1888 -48 1856 -48
WIRE 2128 -48 2096 -48
WIRE 2368 -48 2336 -48
WIRE 2608 -48 2576 -48
WIRE -288 -16 -288 -112
WIRE 400 0 400 -64
WIRE 784 0 400 0
WIRE 832 0 832 -48
WIRE 832 0 784 0
WIRE 1184 0 1184 -48
WIRE 1184 0 832 0
WIRE 1552 0 1552 -48
WIRE 1552 0 1184 0
WIRE 2128 0 2128 -48
WIRE 2128 0 1552 0
WIRE 2608 0 2608 -48
WIRE 2608 0 2128 0
WIRE 32 32 32 -160
WIRE 64 32 32 32
WIRE 432 32 432 -160
WIRE 432 32 368 32
WIRE 672 32 432 32
WIRE 912 32 912 -48
WIRE 1280 32 1280 -48
WIRE 1856 32 1856 -48
WIRE 2336 32 2336 -48
WIRE 1808 64 1808 -192
WIRE 64 80 -48 80
WIRE 464 80 464 -80
WIRE 464 80 368 80
WIRE 672 80 672 32
WIRE 784 80 784 0
WIRE 560 96 560 -144
WIRE -288 112 -288 64
WIRE 0 128 0 -64
WIRE 64 128 0 128
WIRE 400 128 400 0
WIRE 400 128 368 128
WIRE 560 128 560 96
WIRE 672 128 672 80
WIRE 784 128 784 80
WIRE 1728 128 1728 -80
WIRE 160 144 160 -48
WIRE 192 144 192 -48
WIRE 224 144 224 -48
WIRE 256 144 256 -48
WIRE 160 176 160 144
WIRE 192 176 192 144
WIRE 224 176 224 144
WIRE 256 176 256 144
WIRE 160 208 160 176
WIRE 192 208 192 176
WIRE 224 208 224 176
WIRE 256 208 256 176
WIRE 32 224 32 32
WIRE 64 224 32 224
WIRE 432 224 432 32
WIRE 432 224 368 224
WIRE 1728 240 1728 208
WIRE 1808 240 1808 144
WIRE 0 320 0 128
WIRE 64 320 0 320
WIRE 400 320 400 128
WIRE 400 320 368 320
WIRE 0 368 0 320
WIRE 496 368 496 -48
WIRE 496 368 0 368
WIRE 1728 368 1728 320
WIRE 1808 368 1808 320
WIRE -288 384 -288 192
WIRE -112 384 -112 80
WIRE 0 384 0 368
FLAG -288 384 0
FLAG 560 208 0
FLAG 672 208 0
FLAG 784 208 0
FLAG 0 384 0
FLAG 160 176 VB1
FLAG 192 176 VB2
FLAG 224 176 VB3
FLAG 256 176 VB4
FLAG 560 96 VD
FLAG 672 80 NWELL
FLAG 784 80 PSUB
FLAG 912 32 0
FLAG 1280 32 0
FLAG 1856 32 0
FLAG 2336 32 0
FLAG 496 -112 OAMP
FLAG 848 -192 O1A
FLAG 848 -80 O1B
FLAG 1200 -192 O2A
FLAG 1200 -80 O2B
FLAG 2128 -192 O4A
FLAG 2128 -80 O4B
FLAG 2624 -80 ODA
FLAG 2624 -112 ODB
FLAG 0 -112 VIN
FLAG 1552 -192 O3A
FLAG 1552 -80 O3B
FLAG 1856 -192 I4A
FLAG 1856 -80 I4B
FLAG 1728 368 0
FLAG 1808 368 0
FLAG -112 384 0
SYMBOL Preamplifier 64 144 R0
SYMATTR InstName X2
SYMBOL Preamplifier 64 -48 R0
SYMATTR InstName X3
SYMBOL DA100 592 -32 R0
SYMATTR InstName X4
SYMBOL voltage 560 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 3.3V
SYMBOL voltage 672 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.3V
SYMBOL voltage 784 112 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 0V
SYMBOL BiasGenerator 64 336 R0
SYMATTR InstName X1
SYMBOL DA200 944 -32 R0
SYMATTR InstName X5
SYMBOL DA300 1312 -32 R0
SYMATTR InstName X6
SYMBOL DA400 1888 -32 R0
SYMATTR InstName X7
SYMBOL Discriminator 2368 -32 R0
SYMATTR InstName X8
SYMBOL cap 1712 -208 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 1pF
SYMBOL cap 1712 -96 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 1pF
SYMBOL res 1216 -192 R0
SYMATTR InstName R3
SYMATTR Value 11k
SYMBOL res 1568 -192 R0
SYMATTR InstName R4
SYMATTR Value 11k
SYMBOL res 1712 112 R0
SYMATTR InstName R5
SYMATTR Value 250k
SYMBOL res 1792 48 R0
SYMATTR InstName R6
SYMATTR Value 250k
SYMBOL voltage 1728 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -86 111 Left 0
SYMATTR Value {VoffN}
SYMATTR InstName V4
SYMBOL voltage 1808 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 90 111 Right 0
SYMATTR Value {VoffP}
SYMATTR InstName V5
SYMBOL cap -48 64 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 470p
SYMBOL res 2160 -192 R0
SYMATTR InstName R7
SYMATTR Value 5.5k
SYMBOL res 864 -192 R0
SYMATTR InstName R2
SYMATTR Value 11k
SYMBOL voltage -288 96 R0
WINDOW 123 24 44 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -34 373 Left 0
SYMATTR Value2 AC 1m
SYMATTR Value PULSE(678m 688m 5n 2n 3n 0.2n)
SYMATTR InstName V6
SYMBOL res 2256 -272 R0
SYMATTR InstName R1
SYMATTR Value 300k
SYMBOL voltage -288 -32 R0
WINDOW 123 24 44 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -30 465 Left 0
SYMATTR Value2 AC 1m
SYMATTR Value PULSE(0m -1.5m 10n 1n 1n 0.1n)
SYMATTR InstName V7
SYMBOL cap -160 -128 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 100n
TEXT 568 280 Left 0 !.tran 0 100ns 0 0.1ns
TEXT 488 416 Left 0 !.include CMOSAe.inc
TEXT 840 416 Left 0 !;ac dec 10 1k 10G
TEXT 1112 280 Left 0 !.PARAM Voff=60mV
TEXT 1112 320 Left 0 !.PARAM VoffN=1.65-Voff/2
TEXT 1112 360 Left 0 !.PARAM VoffP=1.65+Voff/2
TEXT 1128 120 Left 0 !.option noopiter