Version 4
SHEET 1 1260 844
WIRE -288 -256 -368 -256
WIRE -192 -256 -288 -256
WIRE -96 -256 -192 -256
WIRE 16 -256 -96 -256
WIRE 496 -256 16 -256
WIRE 576 -256 496 -256
WIRE 832 -256 576 -256
WIRE -288 -240 -288 -256
WIRE -192 -240 -192 -256
WIRE -96 -240 -96 -256
WIRE 16 -240 16 -256
WIRE 496 -224 496 -256
WIRE 576 -224 576 -256
WIRE 144 -192 112 -192
WIRE 336 -192 208 -192
WIRE -288 -160 -288 -176
WIRE -368 -144 -368 -256
WIRE -96 -144 -96 -160
WIRE 112 -128 112 -192
WIRE 192 -128 112 -128
WIRE 336 -128 336 -192
WIRE 336 -128 288 -128
WIRE 496 -128 496 -160
WIRE 496 -128 336 -128
WIRE 576 -128 576 -144
WIRE 576 -128 496 -128
WIRE 336 -112 336 -128
WIRE 16 -96 16 -160
WIRE 16 -96 -32 -96
WIRE 112 -96 112 -128
WIRE 112 -96 16 -96
WIRE 832 -80 832 -256
WIRE -288 -64 -288 -96
WIRE -192 -64 -192 -160
WIRE 112 -48 112 -96
WIRE 240 -48 240 -64
WIRE 240 -48 112 -48
WIRE 576 -48 576 -128
WIRE 576 -48 432 -48
WIRE -368 -32 -368 -64
WIRE 336 0 336 -32
WIRE 336 0 288 0
WIRE 368 0 336 0
WIRE -288 16 -288 0
WIRE -288 16 -304 16
WIRE -192 16 -192 0
WIRE -192 16 -288 16
WIRE -96 16 -96 -48
WIRE -96 16 -192 16
WIRE -64 16 -96 16
WIRE 48 16 16 16
WIRE 576 16 576 -48
WIRE 240 32 240 -48
WIRE 336 32 240 32
WIRE 432 64 432 48
WIRE 432 64 368 64
WIRE 512 64 432 64
WIRE -368 80 -368 64
WIRE -320 80 -368 80
WIRE -144 80 -240 80
WIRE 368 96 368 64
WIRE -144 128 -144 80
WIRE -144 128 -208 128
WIRE -80 128 -144 128
WIRE 432 128 432 64
WIRE 464 128 432 128
WIRE 576 128 576 112
WIRE 576 128 544 128
WIRE 576 144 576 128
WIRE 608 144 576 144
WIRE 720 144 672 144
WIRE 832 144 832 0
WIRE 832 144 800 144
WIRE -272 176 -400 176
WIRE 16 176 -16 176
WIRE 80 176 16 176
WIRE 112 176 80 176
WIRE 224 176 192 176
WIRE 368 176 368 160
WIRE 368 176 224 176
WIRE 576 176 576 144
WIRE 576 176 368 176
WIRE 224 192 224 176
WIRE 16 208 16 176
WIRE -400 224 -400 176
WIRE 288 224 288 0
WIRE 576 240 576 176
WIRE 640 240 576 240
WIRE 736 240 720 240
WIRE 832 240 832 144
WIRE 832 240 816 240
WIRE 864 240 832 240
WIRE -288 256 -304 256
WIRE -208 256 -208 224
WIRE -208 256 -224 256
WIRE 80 272 80 176
WIRE 96 272 80 272
WIRE 224 272 224 256
WIRE 224 272 176 272
WIRE 576 272 576 240
WIRE 608 272 576 272
WIRE 864 272 864 240
WIRE -208 288 -208 256
WIRE -32 288 -208 288
WIRE 416 288 352 288
WIRE 576 288 576 272
WIRE 576 288 496 288
WIRE 16 304 16 288
WIRE 144 320 80 320
WIRE 288 320 288 288
WIRE -400 336 -400 304
WIRE -304 336 -304 256
WIRE -272 336 -304 336
WIRE -80 336 -80 224
WIRE -80 336 -192 336
WIRE 576 336 576 288
WIRE 576 336 432 336
WIRE -80 368 -80 336
WIRE -80 368 -272 368
WIRE 352 384 352 288
WIRE 368 384 352 384
WIRE 80 400 -192 400
WIRE 288 400 288 384
WIRE 288 400 80 400
WIRE 576 400 576 336
WIRE 144 432 144 384
WIRE 144 432 -112 432
WIRE 352 432 352 384
WIRE 352 432 144 432
WIRE -192 448 -192 400
WIRE -112 448 -112 432
WIRE 432 448 432 432
WIRE 512 448 432 448
WIRE 336 464 336 32
WIRE 48 480 48 16
WIRE 112 480 48 480
WIRE -272 496 -272 368
WIRE -256 496 -272 496
WIRE -32 496 -32 288
WIRE -32 496 -48 496
WIRE 112 496 112 480
WIRE 224 512 176 512
WIRE 272 512 224 512
WIRE 224 528 224 512
WIRE 832 528 832 240
WIRE 432 544 432 448
WIRE 464 544 432 544
WIRE 576 544 576 496
WIRE 576 544 544 544
WIRE -192 560 -192 544
WIRE -144 560 -192 560
WIRE -112 560 -112 544
WIRE -112 560 -144 560
WIRE -272 576 -272 496
WIRE -32 576 -32 496
WIRE -144 592 -144 560
WIRE 112 592 112 576
WIRE 144 592 112 592
WIRE 176 592 176 512
WIRE 176 592 144 592
WIRE 336 592 336 560
WIRE 144 608 144 592
WIRE 496 608 400 608
WIRE 576 608 576 544
WIRE 576 608 496 608
WIRE 224 624 224 592
WIRE 496 624 496 608
WIRE 576 624 576 608
WIRE 48 656 48 480
WIRE 80 656 48 656
WIRE -272 720 -272 656
WIRE -144 720 -144 672
WIRE -144 720 -272 720
WIRE -32 720 -32 656
WIRE -32 720 -144 720
WIRE 224 720 224 688
WIRE 224 720 -32 720
WIRE 336 720 336 672
WIRE 336 720 224 720
WIRE 496 720 496 688
WIRE 496 720 336 720
WIRE 576 720 576 704
WIRE 576 720 496 720
WIRE 832 720 832 608
WIRE 832 720 576 720
WIRE 144 736 144 704
WIRE 400 736 400 608
WIRE 400 736 144 736
FLAG 864 272 0
FLAG -400 336 0
FLAG 608 272 out
IOPIN 608 272 Out
FLAG 16 304 0
SYMBOL npn2 512 16 R0
SYMATTR InstName Q1
SYMATTR Value 2N3055
SYMBOL pnp2 368 48 M180
SYMATTR InstName Q2
SYMATTR Value BD138F
SYMBOL res 560 112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 15
SYMBOL npn2 512 400 R0
SYMATTR InstName Q3
SYMATTR Value 2N3055
SYMBOL pnp2 368 432 M180
SYMATTR InstName Q4
SYMATTR Value BD138F
SYMBOL res 560 528 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 15
SYMBOL npn2 -256 448 R0
SYMATTR InstName Q5
SYMATTR Value 2N3019
SYMBOL res 320 -128 R0
SYMATTR InstName R7
SYMATTR Value 56
SYMBOL res 208 160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R11
SYMATTR Value 10K
SYMBOL voltage 832 -96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 20
SYMBOL voltage 832 512 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 20
SYMBOL res -16 560 M0
SYMATTR InstName R13
SYMATTR Value 1K2
SYMBOL res 512 272 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R14
SYMATTR Value 56
SYMBOL voltage -400 208 M0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.7 1K)
SYMBOL npn2 -48 448 M0
SYMATTR InstName Q6
SYMATTR Value 2N3019
SYMBOL res -128 576 M0
SYMATTR InstName R1
SYMATTR Value 22
SYMBOL res -256 560 M0
SYMATTR InstName R4
SYMATTR Value 1K2
SYMBOL pnp2 -16 224 R180
SYMATTR InstName Q7
SYMATTR Value BC557B
SYMBOL pnp2 -272 224 M180
SYMATTR InstName Q8
SYMATTR Value BC557B
SYMBOL res 32 192 M0
SYMATTR InstName R5
SYMATTR Value 470
SYMBOL res 560 -240 R0
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL res 560 608 R0
SYMATTR InstName R8
SYMATTR Value 0.47
SYMBOL pnp2 -32 -48 R180
SYMATTR InstName Q9
SYMATTR Value BC557B
SYMBOL pnp2 192 -64 R270
SYMATTR InstName Q10
SYMATTR Value BC557B
SYMBOL pnp2 -304 64 R180
SYMATTR InstName Q11
SYMATTR Value BC557B
SYMBOL res -384 -160 R0
SYMATTR InstName R16
SYMATTR Value 330
SYMBOL npn2 80 608 R0
SYMATTR InstName Q12
SYMATTR Value BC547B
SYMBOL res 96 480 R0
SYMATTR InstName R19
SYMATTR Value 27
SYMBOL npn2 272 464 R0
SYMATTR InstName Q13
SYMATTR Value BC547B
SYMBOL res 32 32 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R21
SYMATTR Value 33K
SYMBOL schottky 512 -224 M0
SYMATTR InstName D1
SYMATTR Value MBR735
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 512 624 M0
SYMATTR InstName D2
SYMATTR Value MBR735
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener 304 384 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D3
SYMATTR Value BZX84C12L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL zener 304 288 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D4
SYMATTR Value BZX84C12L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL diode -304 -160 R0
SYMATTR InstName D5
SYMATTR Value 1N914
SYMBOL diode -304 -64 R0
SYMATTR InstName D6
SYMATTR Value 1N914
SYMBOL res 0 -256 R0
SYMATTR InstName R9
SYMATTR Value 5K6
SYMBOL res 320 576 R0
SYMATTR InstName R10
SYMATTR Value 680
SYMBOL res -112 -256 R0
SYMATTR InstName R18
SYMATTR Value 68
SYMBOL res -176 -256 M0
SYMATTR InstName R23
SYMATTR Value 68
SYMBOL cap -208 -64 R0
SYMATTR InstName C3
SYMATTR Value 220n
SYMBOL diode 208 528 R0
SYMATTR InstName D7
SYMATTR Value 1N914
SYMBOL schottky 208 624 R0
SYMATTR InstName D8
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL diode -272 -240 M0
SYMATTR InstName D9
SYMATTR Value 1N914
SYMBOL cap 208 -208 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL cap -288 272 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value 1n5
SYMBOL res -176 352 M270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R15
SYMATTR Value 22
SYMBOL cap 240 256 R180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C6
SYMATTR Value 27p
SYMBOL res 192 256 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R20
SYMATTR Value 470
SYMBOL cap 672 128 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C7
SYMATTR Value 22n
SYMBOL res 704 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R22
SYMATTR Value 5.6
SYMBOL cap 128 320 R0
SYMATTR InstName C5
SYMATTR Value 820p
SYMBOL res 64 304 R0
SYMATTR InstName R24
SYMATTR Value 270
SYMBOL res -224 64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R17
SYMATTR Value 2K2
SYMBOL res 832 224 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R12
SYMATTR Value 2.8
SYMBOL cap 352 96 R0
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL ind 624 256 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 250µ
TEXT 624 376 Left 0 !.four 1KK V(out)
TEXT 592 408 Left 0 !.options plotwinsize=0
TEXT 608 312 Left 0 !.tran 0 10m 5m 1µ
TEXT 600 344 Left 0 !;ac dec 100 10 50e6
TEXT -520 824 Left 0 !.step param temp list 25 75