Version 4
SHEET 1 2080 1748
WIRE -2848 -512 -3056 -512
WIRE -2448 -512 -2784 -512
WIRE -2608 -432 -3024 -432
WIRE -2592 -432 -2608 -432
WIRE -2496 -432 -2512 -432
WIRE -3024 -384 -3024 -432
WIRE -3008 -384 -3024 -384
WIRE -2608 -384 -2608 -432
WIRE -2608 -384 -2624 -384
WIRE -3536 -304 -3632 -304
WIRE -3440 -304 -3472 -304
WIRE -3312 -304 -3360 -304
WIRE -3008 -304 -3312 -304
WIRE -2448 -304 -2448 -512
WIRE -2448 -304 -2624 -304
WIRE -3632 -288 -3632 -304
WIRE -3312 -224 -3312 -304
WIRE -3264 -224 -3312 -224
WIRE -3008 -224 -3184 -224
WIRE -2576 -224 -2624 -224
WIRE -2448 -224 -2448 -304
WIRE -2448 -224 -2496 -224
WIRE -2416 -224 -2448 -224
WIRE -2288 -224 -2336 -224
WIRE -3632 -192 -3632 -208
WIRE -3312 -144 -3312 -224
WIRE -3184 -144 -3312 -144
WIRE -3056 -144 -3056 -512
WIRE -3056 -144 -3104 -144
WIRE -3008 -144 -3056 -144
WIRE -2288 -144 -2288 -224
WIRE -2288 -144 -2624 -144
WIRE -2256 -144 -2288 -144
WIRE -3008 -64 -3024 -64
WIRE -2608 -64 -2624 -64
WIRE -3008 16 -3024 16
WIRE -2608 16 -2624 16
WIRE -3008 96 -3024 96
WIRE -2608 96 -2624 96
WIRE -3008 176 -3024 176
WIRE -2608 176 -2624 176
WIRE -3120 224 -3136 224
WIRE -3024 224 -3024 176
WIRE -3024 224 -3040 224
WIRE -2608 224 -2608 176
WIRE -2608 224 -3024 224
FLAG -3632 -192 0
FLAG -3632 -304 IN
FLAG -2496 -432 0
FLAG -3136 224 0
FLAG -3024 16 0
FLAG -2256 -144 OUT
FLAG -2608 16 0
FLAG -3024 96 0
FLAG -2608 96 0
SYMBOL voltage -2608 -432 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage -3024 224 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName V3
SYMATTR Value -5
SYMBOL res -3088 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value {2.12G/fc}
SYMATTR SpiceLine tol=1
SYMBOL res -3456 -288 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName ZA3
SYMATTR Value {10G/fc}
SYMATTR SpiceLine tol=1
SYMBOL res -3168 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RA1
SYMATTR Value {.82G/fc}
SYMATTR SpiceLine tol=1
SYMBOL LT1568 -2816 32 R0
WINDOW 0 5 -380 Center 2
WINDOW 3 8 -301 Center 2
SYMATTR InstName U1
SYMBOL cap -2784 -528 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName ZAB1
SYMATTR Value 22p
SYMBOL res -2320 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value {1.91G/fc}
SYMATTR SpiceLine tol=1
SYMBOL res -2592 -208 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName RB1
SYMATTR Value {.77G/fc}
SYMATTR SpiceLine tol=1
SYMBOL cap -3536 -288 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName ZA1
SYMATTR Value 82p
SYMBOL voltage -3632 -304 R0
WINDOW 123 32 91 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value ""
TEXT -2504 160 Left 2 !.param fc=1000K
TEXT -2872 -568 Bottom 2 ;LT1568 - Very Low Noise, High Frequency Active RC, Filter Building Block\nNarrow Passband, 4th Order Bandpass\n-3dB Passband=fc/5