This might work:
Version 4 SHEET 1 1080 680 WIRE 64 -48 -144 -48 WIRE 400 -48 64 -48 WIRE -144 -16 -144 -48 WIRE -416 0 -512 0 WIRE -288 0 -336 0 WIRE 400 0 400 -48 WIRE -512 48 -512 0 WIRE 336 48 304 48 WIRE -144 96 -144 64 WIRE 64 96 64 -48 WIRE 32 112 -32 112 WIRE 144 128 96 128 WIRE 176 128 144 128 WIRE 256 128 240 128 WIRE 304 128 304 48 WIRE 304 128 256 128 WIRE 400 128 400 96 WIRE 528 128 400 128 WIRE 624 128 528 128 WIRE 704 128 624 128 WIRE 800 128 704 128 WIRE 848 128 800 128 WIRE -288 144 -288 0 WIRE -224 144 -288 144 WIRE 32 144 -224 144 WIRE -512 176 -512 128 WIRE 400 176 400 128 WIRE 800 176 800 128 WIRE 624 192 624 128 WIRE 144 208 144 128 WIRE 304 224 304 128 WIRE 336 224 304 224 WIRE 624 288 624 256 WIRE 800 288 800 256 WIRE -416 320 -512 320 WIRE -288 320 -288 144 WIRE -288 320 -336 320 WIRE 64 320 64 160 WIRE 64 320 -144 320 WIRE 400 320 400 272 WIRE 400 320 64 320 WIRE -512 352 -512 320 WIRE -144 352 -144 320 WIRE -32 416 -32 112 WIRE 144 416 144 272 WIRE 144 416 -32 416 WIRE 240 416 144 416 WIRE 528 416 528 128 WIRE 528 416 320 416 WIRE -144 464 -144 432 WIRE -512 480 -512 432 FLAG 624 288 0 FLAG -144 96 0 FLAG -144 464 0 FLAG -512 176 0 FLAG 800 288 0 FLAG 704 128 OUT FLAG -224 144 IN FLAG 256 128 B FLAG -512 480 0 SYMBOL Opamps\\UniversalOpamp2 64 128 R0 WINDOW 0 27 -45 Left 2 SYMATTR InstName U1 SYMBOL npn 336 0 R0 WINDOW 0 96 14 Left 2 WINDOW 3 65 53 Left 2 SYMATTR InstName Q1 SYMATTR Value 2SC5876 SYMBOL pnp 336 272 M180 WINDOW 0 94 79 Left 2 WINDOW 3 51 43 Left 2 SYMATTR InstName Q2 SYMATTR Value 2SA1036K SYMBOL cap 608 192 R0 WINDOW 0 50 14 Left 2 WINDOW 3 44 54 Left 2 SYMATTR InstName C1
SYMBOL res 336 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL cap 128 208 R0 WINDOW 0 61 25 Left 2 WINDOW 3 56 59 Left 2 SYMATTR InstName C2 SYMATTR Value 10n SYMBOL voltage -512 32 R0 WINDOW 0 -66 119 Left 2 WINDOW 3 -206 190 Left 2 WINDOW 123 -108 114 Left 2 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(5 -5 1u 1u 1u 10m 20m 1000) SYMBOL voltage -144 -32 R0 WINDOW 0 56 40 Left 2 WINDOW 3 54 76 Left 2 SYMATTR InstName V2 SYMATTR Value 6.5 SYMBOL voltage -144 336 R0 WINDOW 0 -81 44 Left 2 WINDOW 3 -90 82 Left 2 SYMATTR InstName V3 SYMATTR Value -6.5 SYMBOL res 784 160 R0 WINDOW 0 52 40 Left 2 WINDOW 3 54 73 Left 2 SYMATTR InstName R3 SYMATTR Value 20 SYMBOL FerriteBead 208 128 R90 WINDOW 0 -16 0 VBottom 2 SYMATTR InstName L1
Elektronik" pn="74279214 WE-CBF 1206" SYMBOL voltage -512 336 R0 WINDOW 0 -110 35 Left 2 WINDOW 3 -246 117 Left 2 WINDOW 123 -126 72 Left 2 WINDOW 39 0 0 Left 0 SYMATTR InstName V4 SYMATTR Value SINE(0 5 10 0 0 0 1k) SYMATTR Value2 AC 1 SYMBOL res -320 -16 R90 WINDOW 0 71 54 VBottom 2 WINDOW 3 77 55 VTop 2 SYMATTR InstName R1 SYMATTR Value 1g SYMBOL res -320 304 R90 WINDOW 0 74 55 VBottom 2 WINDOW 3 86 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1 TEXT 680 368 Left 2 !.tran 1 TEXT 168 168 Left 2 ;1K bead TEXT 536 -16 Left 2 ;Boosted Opamp for K420 TEXT 576 32 Left 2 ;JL Feb 12 2020