Version 4
SHEET 1 4596 1492
WIRE 1504 -784 1392 -784
WIRE 1712 -784 1568 -784
WIRE 1296 -672 1280 -672
WIRE 1392 -672 1392 -784
WIRE 1392 -672 1376 -672
WIRE 1408 -672 1392 -672
WIRE 1520 -672 1488 -672
WIRE 1568 -672 1520 -672
WIRE 1664 -656 1632 -656
WIRE 1712 -656 1712 -784
WIRE 1712 -656 1664 -656
WIRE 1744 -656 1712 -656
WIRE 1568 -640 1552 -640
WIRE 1520 -624 1520 -672
WIRE 1552 -576 1552 -640
WIRE 1664 -576 1664 -656
WIRE 1664 -576 1552 -576
WIRE 1520 -528 1520 -560
WIRE 1440 -432 1408 -432
WIRE 1936 -416 1856 -416
WIRE 1408 -400 1408 -432
WIRE 1856 -400 1856 -416
WIRE 1408 -304 1408 -320
WIRE 1856 -304 1856 -320
FLAG 1408 -304 0
FLAG 1440 -432 in
IOPIN 1440 -432 Out
FLAG 1536 -304 0
FLAG 1632 -304 0
FLAG 1536 -384 V+
FLAG 1632 -384 V-
FLAG 1520 -528 0
FLAG 1280 -672 in
IOPIN 1280 -672 In
FLAG 1744 -656 out
IOPIN 1744 -656 Out
FLAG 1600 -624 V+
FLAG 1600 -688 V-
FLAG 1856 -304 0
FLAG 1936 -416 R
DATAFLAG 1856 -416 ""
SYMBOL voltage 1408 -416 R0
WINDOW 123 31 74 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 32 40 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value ""
SYMBOL voltage 1536 -400 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage 1632 -400 R0
SYMATTR InstName V3
SYMATTR Value -15
SYMBOL cap 1504 -768 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value {{C2}*2}
SYMBOL res 1280 -656 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 24 VBottom 2
SYMATTR InstName R1
SYMATTR Value {Rscale(km)}
SYMBOL res 1392 -656 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value {Rscale(km)}
SYMBOL cap 1536 -624 M0
WINDOW 0 40 27 Left 2
WINDOW 3 34 56 Left 2
SYMATTR InstName C2
SYMATTR Value {C2}
SYMBOL LT1124 1600 -592 M180
SYMATTR InstName U1
SYMBOL voltage 1856 -416 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 42 44 Left 2
WINDOW 3 40 77 Left 2
SYMATTR InstName V4
SYMATTR Value {Rscale(km)}
TEXT 1408 -248 Left 2 !.ac oct 30 10 100k
TEXT 1824 -824 Left 2 !.param fscale=1k
TEXT 1824 -792 Left 2 !.param C2=0.01u
TEXT 1824 -704 Left 2 !.param kf={2*pi*{fscale}/1}
TEXT 1824 -672 Left 2 !.param km={0.707/({kf}*{C2})}
TEXT 1824 -632 Left 2 !.func Rscale(x) {x*1}