Version 4 SHEET 1 1224 816 WIRE 448 -48 448 -80 WIRE 272 16 272 -16 WIRE 448 64 448 32 WIRE 560 64 448 64 WIRE 704 64 624 64 WIRE 736 64 704 64 WIRE 448 80 448 64 WIRE 736 96 736 64 WIRE 0 144 -64 144 WIRE 112 144 80 144 WIRE 128 144 112 144 WIRE 272 144 272 96 WIRE 272 144 192 144 WIRE 384 144 272 144 WIRE 400 144 384 144 WIRE -320 176 -320 112 WIRE 272 192 272 144 WIRE 448 192 448 176 WIRE 576 192 448 192 WIRE 448 208 448 192 WIRE 736 208 736 176 WIRE -64 224 -64 144 WIRE 576 224 576 192 WIRE -320 320 -320 256 WIRE 272 320 272 272 WIRE 448 336 448 288 WIRE 576 336 576 288 WIRE -64 352 -64 304 FLAG 448 -80 VDD FLAG -320 320 0 FLAG -320 112 VDD FLAG 448 64 D FLAG 448 192 S FLAG 448 336 0 FLAG 272 -16 VDD FLAG 272 320 0 FLAG 576 336 0 FLAG 736 208 0 FLAG -64 352 0 FLAG 384 144 G FLAG 704 64 OUT FLAG 112 144 IN SYMBOL voltage -320 160 R0 SYMATTR InstName Vps1 SYMATTR Value 20V SYMBOL res 432 -64 R0 SYMATTR InstName RD SYMATTR Value 5k SYMBOL res 432 192 R0 SYMATTR InstName RS SYMATTR Value 3.5k SYMBOL njf 400 80 R0 SYMATTR InstName J1 SYMATTR Value n_jfet SYMBOL res 256 0 R0 SYMATTR InstName RG1 SYMATTR Value 1.4Meg SYMBOL res 256 176 R0 SYMATTR InstName RG2 SYMATTR Value 0.6Meg SYMBOL cap 560 224 R0 SYMATTR InstName CS SYMATTR Value 6.83µF SYMBOL cap 624 48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName CC2 SYMATTR Value 1.06µF SYMBOL cap 192 128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName CC1 SYMATTR Value 0.03µF SYMBOL res 96 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName Rin SYMATTR Value 100k SYMBOL res 720 80 R0 SYMATTR InstName RL SYMATTR Value 10k SYMBOL voltage -64 208 R0 WINDOW 123 24 118 Left 2 SYMATTR Value2 AC 1V 0deg SYMATTR InstName Vin SYMATTR Value 0V TEXT -312 544 Left 2 !.model n_jfet NJF (beta=2m Vto=-2V lambda=0) TEXT -376 392 Left 2 ;Power Supply TEXT -144 488 Left 2 ;Device Models TEXT 256 400 Left 2 ;NJFET Amplifier Circuit TEXT 384 488 Left 2 ;Spice Directives TEXT 352 544 Left 2 !.AC DEC 10 1Hz 1kHz