Version 4
SHEET 1 1392 680
WIRE 1040 48 224 48
WIRE 1328 48 1040 48
WIRE 1328 64 1328 48
WIRE 224 112 224 48
WIRE 1040 112 1040 48
WIRE -656 144 -672 144
WIRE 1328 160 1328 144
WIRE -448 176 -512 176
WIRE -320 176 -368 176
WIRE -288 176 -320 176
WIRE -144 176 -208 176
WIRE -96 176 -144 176
WIRE 32 176 -32 176
WIRE 80 176 32 176
WIRE 176 176 80 176
WIRE 512 176 480 176
WIRE 544 176 512 176
WIRE 672 176 624 176
WIRE 720 176 672 176
WIRE 848 176 784 176
WIRE 896 176 848 176
WIRE 992 176 896 176
WIRE -656 208 -768 208
WIRE -96 224 -96 176
WIRE -32 224 -32 176
WIRE 224 224 224 208
WIRE 368 224 224 224
WIRE 416 224 368 224
WIRE 720 224 720 176
WIRE 784 224 784 176
WIRE 1040 224 1040 208
WIRE 1136 224 1040 224
WIRE 1184 224 1136 224
WIRE 1232 224 1184 224
WIRE -768 240 -768 208
WIRE -672 240 -672 144
WIRE -656 240 -672 240
WIRE 80 240 80 176
WIRE 896 240 896 176
WIRE 224 256 224 224
WIRE 1040 256 1040 224
WIRE 1136 256 1136 224
WIRE -768 352 -768 320
WIRE -672 352 -672 240
WIRE -672 352 -768 352
WIRE -96 352 -96 304
WIRE -96 352 -672 352
WIRE -32 352 -32 304
WIRE -32 352 -96 352
WIRE 80 352 80 304
WIRE 80 352 -32 352
WIRE 224 352 224 336
WIRE 224 352 80 352
WIRE 720 352 720 304
WIRE 720 352 224 352
WIRE 784 352 784 304
WIRE 784 352 720 352
WIRE 896 352 896 304
WIRE 896 352 784 352
WIRE 1040 352 1040 336
WIRE 1040 352 896 352
WIRE 1136 352 1136 320
WIRE 1136 352 1040 352
WIRE -768 368 -768 352
FLAG -768 368 0
FLAG -320 176 src
FLAG -144 176 ant1
FLAG 32 176 sk1
FLAG 368 224 out1
FLAG 1328 160 0
FLAG 512 176 src
FLAG 672 176 ant2
FLAG 848 176 sk2
FLAG 1184 224 out2
SYMBOL njf 176 112 R0
SYMATTR InstName J1
SYMATTR Value BF245C
SYMBOL ind2 -112 208 R0
WINDOW 0 -32 40 Left 2
WINDOW 3 -41 88 Left 2
SYMATTR InstName L1
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL ind2 -16 208 M0
WINDOW 0 -26 45 Left 2
WINDOW 3 -64 90 Left 2
SYMATTR InstName L2
SYMATTR Value 250µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=1 Rpar=200k
SYMBOL res 208 240 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL cap 64 240 R0
SYMATTR InstName C1
SYMATTR Value 100.5p
SYMBOL voltage -352 176 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 60 56 VTop 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 0 1Meg)
SYMATTR Value2 AC 2
SYMBOL voltage -768 224 M0
WINDOW 3 -195 99 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(100m 70m 2k)
SYMBOL res -192 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5k
SYMBOL SpecialFunctions\\modulate -656 144 R0
WINDOW 0 1 -84 Left 2
WINDOW 3 -1 -57 Left 2
SYMATTR InstName A1
SYMATTR Value mark=1Meg space=1Meg
SYMBOL voltage 1328 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 8V
SYMBOL njf 992 112 R0
SYMATTR InstName J2
SYMATTR Value BF245A
SYMBOL ind2 704 208 R0
WINDOW 0 -32 40 Left 2
WINDOW 3 -41 88 Left 2
SYMATTR InstName L3
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL ind2 800 208 M0
WINDOW 0 -26 45 Left 2
WINDOW 3 -64 90 Left 2
SYMATTR InstName L4
SYMATTR Value 250µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=1 Rpar=200k
SYMBOL res 1024 240 R0
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL cap 880 240 R0
SYMATTR InstName C2
SYMATTR Value 99.7p
SYMBOL res 640 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 5k
SYMBOL cap 1120 256 R0
SYMATTR InstName C3
SYMATTR Value 2.2n
TEXT -136 376 Left 2 !K1 L1 L2 0.5
TEXT 680 376 Left 2 !K3 L3 L4 0.5
TEXT -254 52 Left 2 !.tran 0 6m 1m 50n
TEXT -254 84 Left 2 !;ac dec 1k 100k 10Meg