Version 4
SHEET 1 1916 920
WIRE 96 48 16 48
WIRE 208 48 96 48
WIRE 320 48 208 48
WIRE 416 48 320 48
WIRE 96 64 96 48
WIRE 208 64 208 48
WIRE 320 64 320 48
WIRE 416 64 416 48
WIRE 16 96 16 48
WIRE 528 144 528 128
WIRE 208 160 208 144
WIRE 320 160 320 144
WIRE 480 160 320 160
WIRE 96 208 96 144
WIRE 480 208 96 208
WIRE 320 224 320 160
WIRE 320 224 128 224
WIRE 96 240 96 208
WIRE 288 240 96 240
WIRE 528 240 528 224
WIRE 96 256 96 240
WIRE 128 256 128 224
WIRE 288 256 288 240
WIRE 320 256 320 224
WIRE -224 304 -256 304
WIRE -192 304 -224 304
WIRE -80 304 -112 304
WIRE 16 304 16 176
WIRE 16 304 -80 304
WIRE 32 304 16 304
WIRE 208 304 192 304
WIRE 224 304 208 304
WIRE 416 304 416 144
WIRE 416 304 384 304
WIRE 96 368 96 352
WIRE 112 368 96 368
WIRE 128 368 128 352
WIRE 128 368 112 368
WIRE 288 368 288 352
WIRE 304 368 288 368
WIRE 320 368 320 352
WIRE 320 368 304 368
WIRE 16 384 16 304
WIRE 416 384 416 304
WIRE 416 384 16 384
WIRE -256 400 -256 304
WIRE 208 400 208 304
WIRE 208 400 -256 400
WIRE 112 416 112 368
WIRE 304 416 304 368
WIRE 816 432 816 416
WIRE 1152 432 1152 416
WIRE 1424 432 1424 416
WIRE -192 464 -240 464
WIRE 32 464 -112 464
WIRE 48 464 32 464
WIRE 384 464 368 464
WIRE 112 544 112 512
WIRE 176 544 112 544
WIRE 192 544 176 544
WIRE 304 544 304 512
WIRE 304 544 272 544
WIRE 816 544 816 512
WIRE 1152 544 1152 512
WIRE 1424 544 1424 512
WIRE 176 576 176 544
WIRE 304 576 304 544
WIRE 112 624 32 624
WIRE 240 624 112 624
WIRE 112 640 112 624
WIRE 32 688 32 624
WIRE 48 688 32 688
WIRE 304 688 304 672
WIRE 176 704 176 672
WIRE 32 736 32 688
WIRE 112 768 112 736
WIRE 400 768 400 752
WIRE 32 832 32 816
WIRE 112 864 112 848
WIRE 176 864 176 784
WIRE 176 864 112 864
WIRE 304 864 304 768
WIRE 304 864 176 864
WIRE 400 864 400 848
WIRE 400 864 304 864
FLAG 208 160 0
FLAG 400 752 0
FLAG -240 464 0
FLAG 32 832 0
FLAG -80 304 X+
FLAG -224 304 X-
FLAG 1424 544 0
FLAG 32 464 Y
FLAG 384 464 0
FLAG 528 240 0
FLAG 528 128 Z
FLAG 1424 416 C
FLAG 1152 544 0
FLAG 1152 416 B
FLAG 816 544 0
FLAG 816 416 A
SYMBOL npn 32 256 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q1
SYMATTR Value N
SYMBOL npn 192 256 M0
WINDOW 0 18 5 Right 0
WINDOW 3 8 85 Right 0
SYMATTR InstName Q2
SYMATTR Value N
SYMBOL npn 224 256 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q3
SYMATTR Value N
SYMBOL npn 384 256 M0
WINDOW 0 18 5 Right 0
WINDOW 3 8 85 Right 0
SYMATTR InstName Q4
SYMATTR Value N
SYMBOL npn 48 416 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q5
SYMATTR Value N
SYMBOL npn 368 416 M0
WINDOW 0 18 5 Right 0
WINDOW 3 8 85 Right 0
SYMATTR InstName Q6
SYMATTR Value N
SYMBOL npn 112 576 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q7
SYMATTR Value N
SYMBOL npn 240 576 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q8
SYMATTR Value N
SYMBOL npn 48 640 R0
WINDOW 0 43 27 Left 0
WINDOW 3 47 68 Left 0
SYMATTR InstName Q9
SYMATTR Value N
SYMBOL res 96 752 R0
SYMATTR InstName R3
SYMATTR Value 500
SYMBOL res 160 688 R0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL res 288 672 R0
SYMATTR InstName R2
SYMATTR Value 500
SYMBOL voltage -96 304 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName V1
SYMATTR Value SINE(0 10m 10K)
SYMBOL voltage -96 464 R90
WINDOW 0 -32 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName V2
SYMATTR Value SINE(0 100m 1K)
SYMBOL res 288 528 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 500
SYMBOL res 80 48 R0
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL res 304 48 R0
SYMATTR InstName R6
SYMATTR Value 1K
SYMBOL voltage 208 48 R0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL voltage 400 864 M180
WINDOW 0 24 104 Left 0
WINDOW 3 24 16 Left 0
SYMATTR InstName V4
SYMATTR Value -6
SYMBOL res 0 80 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 400 48 R0
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL res 16 720 R0
WINDOW 3 25 82 Left 0
SYMATTR Value 6.8K
SYMATTR InstName R9
SYMBOL bv 1424 416 R0
WINDOW 3 -1 151 Top 0
SYMATTR Value V=58*V(X+,X-)*V(Y)
SYMATTR InstName B1
SYMBOL e 528 128 R0
SYMATTR InstName E1
SYMATTR Value 1
SYMBOL misc\\Epoly 1152 416 R0
WINDOW 3 2 149 Top 0
WINDOW 123 -1 179 Top 0
SYMATTR Value VALUE
SYMATTR Value2 {58*V(X+,X-)*V(Y)}
SYMATTR InstName E2
SYMBOL misc\\Epoly 816 416 R0
WINDOW 3 -1 151 Top 0
WINDOW 123 3 186 Top 0
WINDOW 39 2 221 Top 0
SYMATTR Value POLY(2)
SYMATTR Value2 (X+,X-) (Y,0)
SYMATTR SpiceLine 0 0 0 0 58
SYMATTR InstName E3
SYMBOL approxequal 656 464 R0
SYMATTR InstName X1
SYMBOL identequal 960 464 R0
SYMATTR InstName X2
SYMBOL identequal 1296 464 R0
SYMATTR InstName X3
TEXT 152 448 Left 0 !.model N NPN\n.model P PNP
TEXT 1120 728 Left 0 !.tran 1m
RECTANGLE Normal 592 880 -48 16 2