Version 4 SHEET 1 880 680 WIRE 64 80 -16 80 WIRE 176 80 64 80 WIRE 288 80 256 80 WIRE 64 176 64 160 WIRE 144 176 64 176 WIRE 256 176 208 176 WIRE 336 176 320 176 WIRE 448 176 416 176 WIRE 560 176 448 176 WIRE 64 192 64 176 WIRE -16 240 -16 160 WIRE -16 240 -80 240 WIRE 0 240 -16 240 WIRE 448 256 448 240 WIRE -608 288 -672 288 WIRE -400 288 -528 288 WIRE -304 288 -400 288 WIRE -256 288 -304 288 WIRE -176 288 -192 288 WIRE -144 288 -176 288 WIRE -16 304 -16 240 WIRE -1056 320 -1056 272 WIRE -960 320 -960 272 WIRE -864 320 -864 304 WIRE -672 320 -672 288 WIRE -176 320 -176 288 WIRE -960 400 -960 384 WIRE -400 400 -400 368 WIRE -304 400 -304 352 WIRE 64 400 64 288 WIRE 64 400 -176 400 WIRE -1056 416 -1056 400 WIRE -960 416 -960 400 WIRE -864 416 -864 400 WIRE -672 432 -672 400 WIRE -176 496 -176 464 WIRE -80 496 -80 336 WIRE -80 496 -176 496 WIRE -48 496 -80 496 WIRE -16 496 -16 368 WIRE -16 496 -48 496 WIRE 64 496 64 480 WIRE 64 496 -16 496 WIRE -48 512 -48 496 FLAG -960 416 0 FLAG -960 272 HF FLAG -1056 416 0 FLAG -1056 272 NF FLAG -672 432 0 FLAG -672 288 Ant FLAG -400 400 0 FLAG -304 400 0 FLAG -864 416 0 FLAG -864 304 Noise FLAG -48 512 0 FLAG 288 80 0 FLAG 560 176 out FLAG 448 256 0 SYMBOL Misc\\signal -1056 304 R0 WINDOW 0 24 18 Left 2 WINDOW 3 -37 158 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value PULSE(0 1 0.1 10us 10us 0.9 1) SYMBOL Misc\\signal -960 304 R0 WINDOW 3 -41 192 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 6mV 77.5k) SYMBOL bv -672 304 R0 WINDOW 3 -37 164 Left 2 SYMATTR InstName B1 SYMATTR Value V=V(HF)*(0.85*V(NF)+0.15)+V(Noise)*1mV SYMBOL res -624 304 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL ind -416 272 R0 SYMATTR InstName L1 SYMATTR Value 10m SYMBOL cap -320 288 R0 SYMATTR InstName C1 SYMATTR Value 422p SYMBOL bv -864 304 R0 WINDOW 3 -30 222 Left 2 SYMATTR InstName B2 SYMATTR Value V=white(100k*time) SYMBOL cap -256 304 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C2 SYMATTR Value 100n SYMATTR SpiceLine V=10 SYMBOL npn -144 240 R0 SYMATTR InstName Q1 SYMATTR Value BC337-25 SYMBOL res -192 304 R0 SYMATTR InstName R2 SYMATTR Value 1Meg SYMBOL polcap -192 400 R0 WINDOW 3 24 56 Left 2 SYMATTR InstName C3 SYMATTR Value 4.7µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=25 Irms=24m Rser=5 Lser=0 mfg="Nichicon" pn="UPR1E4R7MAH" type="Al electrolytic" SYMBOL npn 0 192 R0 SYMATTR InstName Q2 SYMATTR Value BC337-25 SYMBOL res 48 384 R0 SYMATTR InstName R3 SYMATTR Value 2.2k SYMBOL cap -32 304 R0 SYMATTR InstName C4 SYMATTR Value 470p SYMBOL res -32 64 R0 SYMATTR InstName R4 SYMATTR Value 39k SYMBOL res 48 64 R0 SYMATTR InstName R5 SYMATTR Value 6.8k SYMBOL polcap 144 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C5 SYMATTR Value 4.7µ SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=25 Irms=24m Rser=5 Lser=0 mfg="Nichicon" pn="UPR1E4R7MAH" type="Al electrolytic" SYMBOL voltage 160 80 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 0 0 Left 2 WINDOW 39 -30 132 VBottom 2 SYMATTR InstName V2 SYMATTR Value 5V SYMATTR SpiceLine Rser=3.8 SYMBOL diode 256 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL cap 432 176 R0 SYMATTR InstName C7 SYMATTR Value 680p SYMATTR SpiceLine V=10 Irms=0 Rser=0.009 Lser=0 SYMBOL res 432 192 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 240k TEXT -1106 608 Left 2 !.tran 0 2 0 1us