Version 4
SHEET 1 880 680
WIRE -48 -192 -224 -192
WIRE 32 -192 -48 -192
WIRE 224 -192 32 -192
WIRE 224 -160 224 -192
WIRE -224 -144 -224 -192
WIRE 32 -112 32 -192
WIRE 224 -48 224 -80
WIRE 288 -48 224 -48
WIRE 384 -48 288 -48
WIRE 544 -48 448 -48
WIRE 576 -48 544 -48
WIRE -224 -32 -224 -64
WIRE 224 0 224 -48
WIRE 576 32 576 -48
WIRE 32 48 32 -32
WIRE 32 48 -96 48
WIRE 96 48 32 48
WIRE 160 48 96 48
WIRE 32 80 32 48
WIRE -96 128 -96 112
WIRE 224 128 224 96
WIRE 576 144 576 112
WIRE 224 160 224 128
WIRE -400 192 -432 192
WIRE -368 192 -400 192
WIRE -224 192 -304 192
WIRE -48 192 -144 192
WIRE 32 192 32 160
WIRE 32 192 -48 192
WIRE 80 192 32 192
WIRE 80 208 80 192
WIRE 160 208 80 208
WIRE -432 256 -432 192
WIRE 32 256 32 192
WIRE 224 288 224 256
WIRE 288 288 224 288
WIRE 368 288 288 288
WIRE 224 320 224 288
WIRE 368 336 368 288
WIRE -432 368 -432 336
WIRE 32 384 32 336
WIRE 224 448 224 400
WIRE 368 448 368 400
FLAG -224 -32 0
FLAG -432 368 0
FLAG 32 384 0
FLAG 224 448 0
FLAG 576 144 0
FLAG 368 448 0
FLAG -48 -192 vdd
FLAG 544 -48 out
FLAG -400 192 in
FLAG -48 192 b1
FLAG 96 48 b2
FLAG -96 128 0
FLAG 288 -48 c2
FLAG 224 128 c1
FLAG 288 288 e1
SYMBOL npn 160 160 R0
SYMATTR InstName Q1
SYMATTR Value BC238
SYMBOL npn 160 0 R0
SYMATTR InstName Q2
SYMATTR Value BC238
SYMBOL res 16 -128 R0
SYMATTR InstName R1
SYMATTR Value 4k
SYMBOL res 16 64 R0
SYMATTR InstName R2
SYMATTR Value 2k
SYMBOL res 16 240 R0
SYMATTR InstName R3
SYMATTR Value 4k
SYMBOL res 208 304 R0
SYMATTR InstName R4
SYMATTR Value 3.3k
SYMBOL res 208 -176 R0
SYMATTR InstName R5
SYMATTR Value 2k
SYMBOL res 560 16 R0
SYMATTR InstName R6
SYMATTR Value 2k
SYMBOL res -128 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL voltage -432 240 R0
WINDOW 3 25 101 Left 2
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 10mV 10k)
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMBOL voltage -224 -160 R0
SYMATTR InstName Vdd
SYMATTR Value 10V
SYMBOL cap -304 176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL cap 352 336 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL cap 448 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL cap -112 48 R0
SYMATTR InstName C4
SYMATTR Value 100µ
TEXT 472 400 Left 2 !.inc bc238.txt
TEXT -464 472 Left 2 !.op 0 1m 0 1u
TEXT -464 504 Left 2 !;ac dec 50 1 1G
TEXT -456 544 Left 2 !;tran 0 1m 0 1u