Version 4
SHEET 1 1156 680
WIRE 160 -64 16 -64
WIRE 256 -64 160 -64
WIRE 16 -48 16 -64
WIRE 160 -48 160 -64
WIRE 256 -48 256 -64
WIRE 896 -48 704 -48
WIRE 704 -32 704 -48
WIRE 896 -16 896 -48
WIRE 16 48 16 32
WIRE 160 64 160 32
WIRE 256 64 256 32
WIRE 704 64 704 48
WIRE 864 112 848 112
WIRE 896 112 896 64
WIRE 896 112 864 112
WIRE 944 112 896 112
WIRE 160 144 160 64
WIRE 256 144 256 64
WIRE 848 144 848 112
WIRE 944 144 944 112
WIRE -96 192 -144 192
WIRE 16 192 -16 192
WIRE 64 192 16 192
WIRE 400 192 352 192
WIRE 608 208 560 208
WIRE 720 208 688 208
WIRE 752 208 720 208
WIRE 1088 208 1040 208
WIRE -144 224 -144 192
WIRE 400 224 400 192
WIRE 560 240 560 208
WIRE 1088 240 1088 208
WIRE 160 288 160 256
WIRE 192 288 160 288
WIRE 208 288 192 288
WIRE 256 288 256 256
WIRE 256 288 208 288
WIRE -144 320 -144 304
WIRE 400 336 400 304
WIRE 560 336 560 320
WIRE 848 336 848 256
WIRE 944 336 944 256
WIRE 208 352 208 288
WIRE 1088 352 1088 320
WIRE 16 368 16 352
WIRE 704 384 704 368
WIRE 848 384 848 336
WIRE 944 384 944 336
WIRE 16 480 16 448
WIRE 208 480 208 432
WIRE 208 480 16 480
WIRE 704 496 704 464
WIRE 848 496 848 464
WIRE 848 496 704 496
WIRE 944 496 944 464
WIRE 944 496 848 496
FLAG -144 320 0
FLAG 16 48 0
FLAG 400 336 0
FLAG 16 352 0
FLAG 560 336 0
FLAG 1088 352 0
FLAG 704 64 0
FLAG 704 368 0
FLAG 160 64 c1
FLAG 256 64 c2
FLAG 848 336 c3
FLAG 944 336 c4
FLAG 192 288 e1
FLAG 864 112 e3
FLAG 16 192 b1
FLAG 400 192 b2
FLAG 720 208 b3
FLAG 1088 208 b4
SYMBOL voltage 16 -64 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL bi2 896 64 M180
WINDOW 0 24 88 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName B3
SYMATTR Value I=2m
SYMBOL mat02 96 144 R0
SYMATTR InstName U1
SYMBOL mat03 992 256 R180
WINDOW 0 104 32 Center 0
WINDOW 3 104 63 Center 0
SYMATTR InstName U2
SYMATTR Description Bipolar monolythic dual NPN transistor
SYMBOL res 832 368 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 928 368 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage 16 352 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -144 208 R0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 10m 1k)
SYMBOL res 240 -64 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res 144 -64 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 384 208 R0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL res -112 208 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL voltage 560 224 R0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V4
SYMATTR Value SINE(0 10m 1k)
SYMBOL res 592 224 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL res 1072 224 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL bi2 208 432 M180
WINDOW 0 24 88 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName B1
SYMATTR Value I=2m
SYMBOL voltage 704 -48 R0
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL voltage 704 368 R0
SYMATTR InstName V6
SYMATTR Value 5
TEXT -184 -96 Left 0 !.op
TEXT -192 -152 Left 0 !.tran 0 5m 0 5u
TEXT -192 -120 Left 0 !.options plotwinsize=0
TEXT -192 -184 Left 0 ;.ac dc 100 1 1meg
TEXT 288 -184 Left 0 ;Test Circuit