Use to boost the bandwidth of a gyrator, used here in a rob-Peter-to-pay-Paul high-pass filter configuration
Version 4 SHEET 1 1524 1128 WIRE 128 -432 -800 -432 WIRE 976 -432 208 -432 WIRE -800 -304 -800 -432 WIRE -432 -256 -608 -256 WIRE -224 -256 -352 -256 WIRE 272 -256 -224 -256 WIRE 576 -256 272 -256 WIRE 688 -256 576 -256 WIRE 272 -160 272 -256 WIRE 272 -160 160 -160 WIRE 400 -160 272 -160 WIRE -800 -144 -800 -224 WIRE 160 -112 160 -160 WIRE 400 -64 400 -160 WIRE 112 -48 64 -48 WIRE -608 -16 -608 -256 WIRE 160 96 160 64 WIRE 480 96 160 96 WIRE -224 128 -224 -256 WIRE 160 144 160 96 WIRE -912 176 -912 128 WIRE -800 176 -800 128 WIRE 400 192 400 16 WIRE 400 192 224 192 WIRE -608 208 -608 64 WIRE 400 272 400 192 WIRE -912 304 -912 256 WIRE -800 304 -800 256 WIRE 976 304 976 -432 WIRE 1296 304 976 304 WIRE 1360 304 1296 304 WIRE 1296 400 1296 304 WIRE 64 416 64 -48 WIRE 160 416 160 240 WIRE 160 416 64 416 WIRE 240 416 160 416 WIRE 400 416 400 352 WIRE 400 416 240 416 WIRE 976 416 976 304 WIRE 976 576 976 480 WIRE 1104 576 976 576 WIRE 1296 592 1296 480 WIRE 1296 592 1168 592 WIRE 1104 608 1056 608 WIRE -224 640 -224 192 WIRE 48 640 -224 640 WIRE 240 656 240 416 WIRE 240 656 112 656 WIRE 48 672 -48 672 WIRE 1056 688 1056 608 WIRE 1296 688 1296 592 WIRE 1296 688 1056 688 WIRE -224 768 -224 640 WIRE -48 784 -48 672 WIRE 480 784 480 96 WIRE 480 784 -48 784 WIRE 976 784 976 576 WIRE 32 864 -48 864 WIRE 176 864 96 864 WIRE 176 976 176 864 WIRE 176 976 96 976 WIRE 256 976 176 976 WIRE 576 976 576 -256 WIRE 576 976 336 976 WIRE -224 992 -224 848 WIRE -48 992 -48 864 WIRE -48 992 -224 992 WIRE 32 992 -48 992 WIRE 176 1008 96 1008 WIRE 976 1056 976 864 WIRE 176 1088 176 1008 FLAG -912 128 Vcc FLAG -912 304 0 FLAG -800 128 Vee FLAG -800 304 0 FLAG 976 1056 0 FLAG 1136 624 Vcc FLAG 1136 560 Vee FLAG -608 208 0 FLAG 80 688 Vcc FLAG 80 624 Vee FLAG 688 -256 HiPass1 IOPIN 688 -256 Out FLAG 1360 304 HiPass2 IOPIN 1360 304 Out FLAG 64 1024 Vee FLAG 64 960 Vcc FLAG 176 1088 0 FLAG -800 -144 0 SYMBOL njf 112 -112 R0 SYMATTR InstName J1 SYMATTR Value 2N4393 SYMBOL pnp 224 240 R180 SYMATTR InstName Q1 SYMATTR Value 2N3906 SYMBOL voltage -912 160 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL voltage -800 160 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value -12 SYMBOL cap 960 416 R0 SYMATTR InstName C1 SYMATTR Value 47n SYMBOL res 1280 384 R0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL res 960 768 R0 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL voltage -608 -32 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V3 SYMATTR Value SINE(6 1 1k) SYMBOL cap -240 128 R0 SYMATTR InstName C2 SYMATTR Value 47n SYMBOL res -240 752 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL res -336 -272 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res 224 -448 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL res 384 -80 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res 384 256 R0 SYMATTR InstName R1 SYMATTR Value 2.2k SYMBOL Opamps\\LT1014 64 928 M0 SYMATTR InstName U3 SYMBOL res 352 960 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 45 58 VTop 2 SYMATTR InstName R5 SYMATTR Value 1Meg SYMBOL cap 96 848 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 100n SYMBOL voltage -800 -320 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V4 SYMATTR Value SINE(0 0.5 1k) SYMBOL Opamps\\LT1055 80 720 M180 SYMATTR InstName U1 SYMBOL Opamps\\LT1055 1136 656 M180 SYMATTR InstName U2 SYMBOL res 144 -32 R0 SYMATTR InstName R6 SYMATTR Value 220 TEXT -944 432 Left 2 !;tran 100m TEXT -944 392 Left 2 !.ac oct 10 100 1000k TEXT -1040 16 Left 3 ;SIGNAL + DC BIAS ~6V TEXT -240 1104 Left 3 ;DC REMOVAL SERVO