* Z:\tmp\asc_dec_bjh7r6w2\0d34e014b437_2024-09-30_rta_escalon_dec2.asc
* Generated by LTspice 26.0.1 for Windows.
R9 Vref-c N014 2k
Q6 N016 N016 N021 0 BC548B
Q1 N010 N009 N007 0 BC558B
Q7 N017 N016 N021 0 BC548B
C5 N011 N015 470p
R2f N015 N021 1.5k
C6 N009 P001 100p
C1 N002 N001 2n
R1 N003 N005 1k
V2 Vref N021 PULSE(2.5 2.501 0 10n 10n .1m .2m)
XU1 N004 N001 Vpos Vneg N002 TLV247xA ;pnba In+)In-)V+)V-)OUT
Rs V2s V1s 0.1
XU4 N013 N014 Vpos Vneg Vref-c TLV247xA ;pnba In+)In-)V+)V-)OUT
R15 N003 N016 1k
Ra1 retro_in N018 115k
Q2 N008 N008 N005 0 BC558B
R19 P001 N010 50
Q4 N008 retro N017 0 BC548B
.model NPN NPN
.model PNP PNP
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.bjt
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 6700 2000
WIRE 2320 -128 2272 -128
WIRE 2432 -128 2384 -128
WIRE 2176 -48 2176 -80
WIRE 2272 -48 2272 -128
WIRE 2272 -48 2176 -48
WIRE 2304 -48 2272 -48
WIRE 2432 -48 2432 -128
WIRE 2432 -48 2384 -48
WIRE 2496 -48 2432 -48
WIRE -224 -32 -496 -32
WIRE 0 -32 -224 -32
WIRE 816 -32 576 -32
WIRE 1136 -32 896 -32
WIRE 816 96 816 -32
WIRE 896 96 896 -32
WIRE 2352 96 2352 80
WIRE 816 112 816 96
WIRE 896 112 896 96
WIRE 2176 112 2176 -48
WIRE 2320 112 2176 112
WIRE -224 128 -224 -32
WIRE 2496 128 2496 -48
WIRE 2496 128 2384 128
WIRE 2576 128 2496 128
WIRE 2320 144 2048 144
WIRE 2352 176 2352 160
WIRE -224 336 -224 208
WIRE 0 336 0 208
WIRE 448 336 448 -32
WIRE -112 384 -160 384
WIRE -64 384 -112 384
WIRE 320 384 320 256
WIRE 320 384 256 384
WIRE 352 384 320 384
WIRE 384 384 352 384
WIRE 256 400 256 384
WIRE 352 416 352 384
WIRE 496 432 496 192
WIRE 496 432 448 432
WIRE 1136 432 1136 192
WIRE 1280 432 1136 432
WIRE 192 448 96 448
WIRE 208 448 192 448
WIRE -224 464 -224 432
WIRE -112 464 -112 384
WIRE -112 464 -224 464
WIRE -496 496 -496 -32
WIRE 1280 496 1280 432
WIRE 1136 512 1136 432
WIRE 2800 512 2704 512
WIRE 2944 512 2800 512
WIRE 3152 528 3008 528
WIRE 3264 528 3152 528
WIRE 2944 544 2896 544
WIRE 0 560 0 432
WIRE 352 560 0 560
WIRE 496 560 496 432
WIRE 496 560 352 560
WIRE -224 608 -224 464
WIRE 0 608 0 560
WIRE 1136 640 1136 592
WIRE 1280 640 1280 560
WIRE 1280 640 1136 640
WIRE 2896 640 2896 544
WIRE 2944 640 2896 640
WIRE 2976 640 2944 640
WIRE 3152 640 3152 528
WIRE 3152 640 3056 640
WIRE -288 656 -352 656
WIRE 160 656 64 656
WIRE 1136 656 1136 640
WIRE 1136 656 768 656
WIRE 2896 672 2896 640
WIRE -496 688 -496 576
WIRE -384 688 -496 688
WIRE 160 704 160 656
WIRE 2320 704 2320 656
WIRE -224 736 -224 704
WIRE -112 736 -224 736
WIRE 0 736 0 704
WIRE 0 736 -112 736
WIRE 2944 736 2944 640
WIRE 2992 736 2944 736
WIRE 3152 736 3152 640
WIRE 3152 736 3056 736
WIRE -496 752 -496 688
WIRE -112 752 -112 736
WIRE 1136 768 1136 656
WIRE -432 800 -448 800
WIRE -384 800 -384 688
WIRE -384 800 -432 800
WIRE -176 800 -384 800
WIRE 2112 832 1968 832
WIRE 2320 832 2192 832
WIRE 2368 832 2320 832
WIRE 2416 832 2368 832
WIRE 2896 832 2896 752
WIRE 2800 848 2800 512
WIRE 2416 864 2384 864
WIRE -496 880 -496 848
WIRE -496 880 -784 880
WIRE -112 880 -112 848
WIRE -112 880 -496 880
WIRE 160 880 160 784
WIRE 160 880 -112 880
WIRE 256 880 256 496
WIRE 256 880 160 880
WIRE 560 880 256 880
WIRE 1136 880 1136 848
WIRE 1136 880 560 880
WIRE 1424 880 1136 880
WIRE 2320 912 2320 832
WIRE 2384 944 2384 864
WIRE 2576 944 2384 944
WIRE 2320 1040 2320 992
SYMBOL Res 3072 624 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 2k
SYMBOL npn -432 752 M0
SYMATTR InstName Q6
SYMATTR Value BC548B
SYMBOL pnp 384 432 M180
SYMATTR InstName Q1
SYMATTR Value BC558B
SYMBOL npn -176 752 R0
SYMATTR InstName Q7
SYMATTR Value BC548B
SYMBOL cap 1264 496 R0
SYMATTR InstName C5
SYMATTR Value 470p
SYMBOL res 1120 752 R0
SYMATTR InstName R2f
SYMATTR Value 1.5k
SYMBOL cap 336 416 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap 2384 -144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 2n
SYMBOL res -240 112 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage 160 688 R0
WINDOW 0 10 11 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(2.5 2.501 0 10n 10n .1m .2m)
SYMBOL opamp2 2352 64 R0
SYMATTR InstName U1
SYMATTR Value TLV247xA
SYMBOL res 912 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rs
SYMATTR Value 0.1
SYMBOL opamp2 2976 592 M180
SYMATTR InstName U4
SYMATTR Value TLV247xA
SYMBOL res -512 480 R0
SYMATTR InstName R15
SYMATTR Value 1k
SYMBOL Res 2208 816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Ra1
SYMATTR Value 115k
SYMBOL pnp -160 432 R180
SYMATTR InstName Q2
SYMATTR Value BC558B
SYMBOL res 336 464 R0
SYMATTR InstName R19
SYMATTR Value 50
SYMBOL npn -288 608 R0
SYMATTR InstName Q4
SYMATTR Value BC548B
FLAG 3264 528 Vref-c
FLAG 2352 80 Vpos
FLAG 2976 560 Vpos
FLAG 2352 176 Vneg
FLAG 2320 704 Vneg
FLAG 2976 496 Vneg
FLAG 816 96 V1s
FLAG 896 96 V2s
FLAG 2368 832 retro_in
FLAG 160 656 Vref
FLAG -352 656 retro