Version 4
SHEET 1 1052 680
WIRE -128 -288 -176 -288
WIRE -16 -288 -64 -288
WIRE 128 -288 -16 -288
WIRE 528 -288 416 -288
WIRE 704 -288 608 -288
WIRE -16 -256 -16 -288
WIRE 48 -112 48 -144
WIRE -400 -96 -448 -96
WIRE -288 -96 -320 -96
WIRE -176 -96 -176 -288
WIRE -176 -96 -288 -96
WIRE -128 -96 -176 -96
WIRE -16 -96 -16 -176
WIRE -16 -96 -64 -96
WIRE 16 -96 -16 -96
WIRE 544 -96 544 -128
WIRE 128 -80 128 -288
WIRE 128 -80 80 -80
WIRE 160 -80 128 -80
WIRE 416 -80 416 -288
WIRE 416 -80 240 -80
WIRE 512 -80 416 -80
WIRE -688 -64 -688 -112
WIRE -576 -64 -576 -112
WIRE -448 -64 -448 -96
WIRE -288 -64 -288 -96
WIRE -176 -64 -176 -96
WIRE 16 -64 -16 -64
WIRE 704 -64 704 -288
WIRE 704 -64 576 -64
WIRE 800 -64 704 -64
WIRE 512 -48 416 -48
WIRE 48 -16 48 -48
WIRE 544 0 544 -32
WIRE -16 48 -16 -64
WIRE 96 48 -16 48
WIRE 416 48 416 -48
WIRE 416 48 96 48
WIRE -688 64 -688 16
WIRE -576 64 -576 16
WIRE -448 64 -448 16
WIRE -176 64 -176 16
WIRE -16 80 -16 48
WIRE 96 80 96 48
WIRE -16 192 -16 144
WIRE 96 192 96 160
WIRE -288 288 -288 16
WIRE 704 288 704 -64
WIRE 704 288 -288 288
FLAG -448 64 0
FLAG -688 64 0
FLAG -576 64 0
FLAG -688 -112 +V
FLAG 48 -16 -V
FLAG -576 -112 -V
FLAG 48 -144 +V
FLAG -176 64 0
FLAG -16 192 0
FLAG 96 192 0
FLAG 544 -128 +V
FLAG 544 0 -V
FLAG 800 -64 Vout
IOPIN 800 -64 Out
SYMBOL Opamps\\LT1001 48 -144 R0
SYMATTR InstName U1
SYMBOL voltage -448 -80 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value ""
SYMBOL voltage -688 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value +15
SYMBOL voltage -576 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -15
SYMBOL cap -64 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 55.6p
SYMBOL cap -128 -272 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 1.14n
SYMBOL res -32 -272 R0
WINDOW 3 30 79 Left 2
SYMATTR Value 300k
SYMATTR InstName R1
SYMBOL res -192 -80 R0
SYMATTR InstName R2
SYMATTR Value 48.3
SYMBOL res -304 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 4.7k
SYMBOL res 256 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 39k
SYMBOL Opamps\\LT1001 544 -128 R0
SYMATTR InstName U2
SYMBOL res 624 -304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 120k
SYMBOL res -304 -80 R0
SYMATTR InstName R6
SYMATTR Value 38.3k
SYMBOL polcap -32 80 R0
SYMATTR InstName C3
SYMATTR Value 10µ
SYMBOL res 80 64 R0
SYMATTR InstName R7
SYMATTR Value 100k
TEXT -672 -240 Left 2 !.ac oct 200 30k 200k
TEXT -352 -440 Left 2 !.Option noopiter\n.MEASURE AC MaxMag Max Mag(V(Vout))\n.MEASURE AC BW3dB Trig Mag(V(Vout))=MaxMag/Sqrt(2) rise=1 Targ Mag(V(Vout))=MaxMag/Sqrt(2) fall=last
TEXT -352 -632 Left 2 ;77,5 KHz Bandpass für das DCF77-Signal\nMittenfrequenz 77,541 KHz\n77,541 KHz, Verstärkung 62,4 dB\n77,5     KHz, Verstärkung 61,0 dB\n3dB Bandbreite 162 Hz\nGüte etwa 480