Version 4
SHEET 1 2712 864
WIRE 624 -256 80 -256
WIRE 784 -256 624 -256
WIRE 1024 -256 784 -256
WIRE 1024 -224 1024 -256
WIRE 624 -208 624 -256
WIRE 464 -144 336 -144
WIRE 576 -144 464 -144
WIRE 1024 -96 1024 -144
WIRE 1248 -96 1024 -96
WIRE 464 -80 464 -144
WIRE 1024 -32 1024 -96
WIRE 624 -16 624 -112
WIRE 784 -16 784 -256
WIRE 864 16 848 16
WIRE 960 16 944 16
WIRE 80 64 80 -256
WIRE 464 64 464 0
WIRE 784 64 784 -16
WIRE 624 112 624 64
WIRE 688 112 624 112
WIRE 720 112 688 112
WIRE 624 144 624 112
WIRE 784 192 784 160
WIRE 848 192 848 16
WIRE 848 192 784 192
WIRE 576 208 512 208
WIRE 784 208 784 192
WIRE 80 224 80 144
WIRE 192 224 80 224
WIRE 1248 224 1248 -96
WIRE 192 256 192 224
WIRE 784 256 784 208
WIRE 624 272 624 240
WIRE 336 304 336 -144
WIRE 80 320 80 224
WIRE 512 400 512 208
WIRE 624 400 624 352
WIRE 624 400 512 400
WIRE 1248 400 1248 304
WIRE 336 480 336 384
WIRE 80 544 80 400
WIRE 624 544 624 400
WIRE 624 544 80 544
WIRE 784 544 784 336
WIRE 784 544 624 544
WIRE 1024 544 1024 64
WIRE 1024 544 784 544
FLAG 192 256 0
FLAG 336 -144 In
FLAG 336 480 0
FLAG 464 64 0
FLAG 1024 -96 Out
FLAG 784 208 E1
FLAG 784 -16 K1
FLAG 688 112 B1
FLAG 1248 400 0
SYMBOL voltage 80 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage 80 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage 336 288 R0
WINDOW 123 24 124 Left 2
WINDOW 39 24 152 Left 2
SYMATTR Value2 AC 0.1
SYMATTR SpiceLine Rser=50
SYMATTR InstName V3
SYMATTR Value SINE(0 0.1 1meg)
SYMBOL res 768 240 R0
SYMATTR InstName R1
SYMATTR Value 3.3k
SYMBOL npn 720 64 R0
SYMATTR InstName Q3
SYMATTR Value 2N2222
SYMBOL njf 576 -208 R0
SYMATTR InstName J1
SYMATTR Value J113
SYMBOL njf 576 144 R0
SYMATTR InstName J2
SYMATTR Value J113
SYMBOL res 608 256 R0
SYMATTR InstName R3
SYMATTR Value 107
SYMBOL res 608 -32 R0
SYMATTR InstName R4
SYMATTR Value 100
SYMBOL res 448 -96 R0
SYMATTR InstName R5
SYMATTR Value 18.8Meg
SYMBOL pnp 960 64 M180
SYMATTR InstName Q1
SYMATTR Value BC556B
SYMBOL res 960 0 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 47
SYMBOL res 1008 -240 R0
SYMATTR InstName R6
SYMATTR Value 3.3k
SYMBOL res 1232 208 R0
SYMATTR InstName R7
SYMATTR Value 50
TEXT 80 640 Left 2 ;.tran 0 20u 0 1n
TEXT 88 680 Left 2 !.ac dec 100 1meg 1000meg
TEXT 80 728 Left 2 !.net I(R7) V3
TEXT 1192 -120 Left 2 ;VNA Input
TEXT 368 464 Left 2 ;VNA Rin