Hello Bib,
I drew my "bafouille" on this saturday morning .... no math, no excessive sims just fixed the fact that in your previous schematics you miised that the opamp goes directly to vcc. try go further with e.g
1000Hz sine ....Good luck. Habib.
PS :
Version 4 SHEET 1 1052 804 WIRE 576 -144 416 -144 WIRE 976 -144 656 -144 WIRE -128 -16 -128 -48 WIRE 0 -16 0 -48 WIRE 624 64 624 48 WIRE 688 64 624 64 WIRE -128 112 -128 64 WIRE 0 112 0 64 WIRE 272 128 176 128 WIRE 416 128 416 -144 WIRE 416 128 352 128 WIRE 496 128 416 128 WIRE 624 144 624 64 WIRE 624 144 560 144 WIRE 752 144 752 112 WIRE 976 144 976 -144 WIRE 976 144 752 144 WIRE 496 160 416 160 WIRE 176 176 176 128 WIRE 752 192 752 144 WIRE 624 240 624 144 WIRE 688 240 624 240 WIRE 624 256 624 240 WIRE 976 288 976 144 WIRE 272 480 176 480 WIRE 416 480 416 160 WIRE 416 480 352 480 WIRE 496 480 416 480 WIRE 976 480 976 368 WIRE 976 480 576 480 WIRE 976 512 976 480 WIRE 176 528 176 480 WIRE 976 672 976 592 WIRE 176 688 176 608 FLAG 528 112 Vcc FLAG 528 176 Vee FLAG 176 176 0 FLAG 976 672 0 FLAG -128 112 0 FLAG 0 112 0 FLAG -128 -48 Vcc FLAG 0 -48 Vee FLAG 176 688 0 FLAG 752 288 Vee FLAG 752 16 Vcc FLAG 624 -32 Vcc FLAG 624 336 Vee SYMBOL res 992 384 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 1K SYMBOL res 960 496 R0 SYMATTR InstName R6 SYMATTR Value 100 SYMBOL voltage -128 -32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL voltage 0 -32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value -12 SYMBOL res 368 464 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 47k SYMBOL res 368 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 47k SYMBOL res 672 -160 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 47k SYMBOL res 592 464 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 47k SYMBOL voltage 176 512 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value -1 SYMBOL Opamps\\LT1014 528 80 R0 SYMATTR InstName U1 SYMBOL npn 688 16 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL pnp 688 288 M180 SYMATTR InstName Q2 SYMATTR Value 2N3906 SYMBOL current 624 -32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName I1
SYMBOL current 624 256 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName I2
TEXT -104 176 Left 2 !.tran 0.1