Version 4
SHEET 1 1396 740
WIRE -1536 -576 -1552 -576
WIRE -1536 -544 -1536 -576
WIRE -1536 -432 -1536 -464
WIRE -1536 -432 -1616 -432
WIRE -1440 -432 -1536 -432
WIRE -1616 -384 -1616 -432
WIRE -1440 -384 -1440 -432
WIRE 208 -304 64 -304
WIRE 384 -304 272 -304
WIRE -1760 -272 -1776 -272
WIRE -1616 -272 -1616 -304
WIRE -1616 -272 -1696 -272
WIRE -1536 -272 -1616 -272
WIRE -1440 -272 -1440 -304
WIRE -1296 -272 -1440 -272
WIRE -1216 -272 -1296 -272
WIRE 64 -256 64 -304
WIRE 64 -256 16 -256
WIRE 384 -256 384 -304
WIRE 496 -256 384 -256
WIRE 624 -256 624 -272
WIRE 624 -256 560 -256
WIRE -1776 -240 -1776 -272
WIRE -1616 -224 -1616 -272
WIRE -1440 -224 -1440 -272
WIRE 64 -224 64 -256
WIRE 192 -224 64 -224
WIRE 384 -224 384 -256
WIRE 384 -224 272 -224
WIRE -64 -176 -112 -176
WIRE 16 -176 16 -256
WIRE 384 -176 384 -224
WIRE 384 -176 160 -176
WIRE -1776 -160 -1824 -160
WIRE -1296 -160 -1296 -272
WIRE -112 -160 -112 -176
WIRE -1824 -128 -1824 -160
WIRE 64 -112 64 -224
WIRE 304 -112 64 -112
WIRE 624 -112 624 -176
WIRE -1616 -48 -1616 -144
WIRE -1440 -48 -1440 -144
WIRE -1440 -48 -1616 -48
WIRE -1296 -48 -1296 -96
WIRE -1296 -48 -1440 -48
WIRE 64 -32 64 -112
WIRE 160 -32 160 -176
WIRE 304 -32 304 -112
WIRE 384 -32 384 -176
WIRE -1440 0 -1440 -48
WIRE -48 16 -48 0
WIRE 0 16 -48 16
WIRE 240 16 224 16
WIRE 528 16 528 0
WIRE 528 16 448 16
WIRE 144 64 64 64
WIRE 160 64 144 64
WIRE 336 64 304 64
WIRE 384 64 336 64
WIRE -1344 112 -1472 112
WIRE 144 112 144 64
WIRE 336 112 336 64
WIRE -1472 128 -1472 112
WIRE -1344 128 -1344 112
WIRE 240 128 240 16
WIRE -64 160 -64 144
WIRE 80 160 -64 160
WIRE 464 160 464 112
WIRE 464 160 400 160
WIRE -1472 208 -1584 208
WIRE -1408 208 -1472 208
WIRE -288 304 -480 304
WIRE -256 304 -288 304
WIRE -112 304 -176 304
WIRE 0 304 -112 304
WIRE 144 304 144 208
WIRE 160 304 144 304
WIRE 208 304 160 304
WIRE 336 304 336 208
WIRE 336 304 288 304
WIRE -1584 336 -1584 208
WIRE -112 336 -112 304
WIRE -480 352 -480 304
WIRE 160 352 160 304
WIRE 160 352 128 352
WIRE 336 352 336 304
WIRE -288 384 -288 304
WIRE 0 400 0 304
WIRE 0 400 -48 384
WIRE 64 400 0 400
WIRE 0 416 0 400
WIRE 272 416 272 400
WIRE 272 416 0 416
WIRE -1728 448 -1744 448
WIRE -1584 448 -1584 416
WIRE -1584 448 -1664 448
WIRE -1504 448 -1584 448
WIRE -1408 448 -1408 288
WIRE -1264 448 -1264 400
WIRE -1264 448 -1408 448
WIRE -1744 464 -1744 448
WIRE -480 480 -480 432
WIRE -1584 496 -1584 448
WIRE -1408 496 -1408 448
WIRE -112 512 -112 432
WIRE 128 512 128 448
WIRE 336 512 336 448
WIRE -1744 544 -1792 544
WIRE -1264 560 -1264 448
WIRE -1792 592 -1792 544
WIRE -288 592 -288 448
WIRE -112 592 -288 592
WIRE 16 592 -112 592
WIRE 128 592 16 592
WIRE 336 592 128 592
WIRE 16 624 16 592
WIRE -1584 672 -1584 576
WIRE -1424 672 -1584 672
WIRE -1408 672 -1408 576
WIRE -1408 672 -1424 672
WIRE -1264 672 -1264 624
WIRE -1264 672 -1408 672
WIRE -1424 720 -1424 672
FLAG 16 624 0
FLAG -480 480 0
FLAG -1792 592 0
FLAG -1504 448 vsig+
FLAG 464 112 vsig+
FLAG -1344 128 0
FLAG -1824 -128 0
FLAG -1440 0 0
FLAG -1536 -272 vcar+
FLAG -1264 400 vsig-
FLAG -64 144 vsig-
FLAG 528 0 vcar+
FLAG -48 0 vcar+
FLAG 240 128 vcar-
FLAG -112 -160 0
FLAG 624 -272 Vo
FLAG -1552 -576 0
FLAG -1216 -272 vcar-
FLAG -1424 720 0
FLAG 624 -112 0
SYMBOL res -160 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rbias
SYMATTR Value 13800
SYMBOL res 304 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RE
SYMATTR Value 500
SYMBOL res 320 496 R0
SYMATTR InstName R11
SYMATTR Value 500
SYMBOL res -128 496 R0
SYMATTR InstName R10
SYMATTR Value 500
SYMBOL res 112 496 R0
SYMATTR InstName R9
SYMATTR Value 500
SYMBOL cap -304 384 R0
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL voltage -480 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res -1600 320 R0
SYMATTR InstName R1
SYMATTR Value 130K
SYMBOL res -1600 480 R0
SYMATTR InstName R2
SYMATTR Value 20K
SYMBOL res -1424 192 R0
SYMATTR InstName R3
SYMATTR Value 130K
SYMBOL cap -1280 560 R0
SYMATTR InstName C2
SYMATTR Value 1m
SYMBOL cap -1664 432 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1m
SYMBOL voltage -1472 224 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL res -1632 -400 R0
SYMATTR InstName R5
SYMATTR Value 400k
SYMBOL res -1456 -400 R0
SYMATTR InstName R7
SYMATTR Value 400k
SYMBOL res -1632 -240 R0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL cap -1312 -160 R0
SYMATTR InstName C4
SYMATTR Value 1m
SYMBOL cap -1696 -288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1m
SYMBOL npn 448 -32 M0
SYMATTR InstName T6
SYMBOL npn 240 -32 R0
SYMATTR InstName T5
SYMBOL npn 224 -32 M0
SYMATTR InstName T4
SYMBOL npn 0 -32 R0
SYMATTR InstName T3
SYMBOL res 288 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RL
SYMATTR Value 5000
SYMBOL cap 272 -320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName CL
SYMATTR Value 57nf
SYMBOL voltage 32 -176 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName VCC1
SYMATTR Value 15
SYMBOL cap 560 -272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cs
SYMATTR Value 1m
SYMBOL voltage -1536 -448 R180
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 15
SYMBOL BC547C -48 336 M0
SYMATTR InstName Q1
SYMBOL BC547C 272 352 R0
SYMATTR InstName Q2
SYMBOL BC547C 64 352 R0
SYMATTR InstName Q3
SYMBOL BC547C 80 112 R0
SYMATTR InstName Q4
SYMBOL BC547C 400 112 M0
SYMATTR InstName Q5
SYMBOL res -1456 -240 R0
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL res -1424 480 R0
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL voltage -1744 448 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 0.1 550k)
SYMBOL voltage -1776 -256 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value SINE(0 0.2 450k)
TEXT 536 576 Left 2 !.tran 0 0.0001 0 0.000001