Version 4 SHEET 1 1652 680 WIRE 704 -272 640 -272 WIRE 720 -272 704 -272 WIRE 816 -272 800 -272 WIRE 880 -272 816 -272 WIRE 704 -240 704 -272 WIRE 816 -240 816 -272 WIRE 640 -192 640 -272 WIRE 704 -160 704 -176 WIRE 816 -160 816 -176 WIRE 880 -160 880 -192 WIRE -112 16 -176 16 WIRE 32 16 -32 16 WIRE 96 16 32 16 WIRE 352 16 192 16 WIRE 432 16 384 16 WIRE 512 16 496 16 WIRE 544 16 512 16 WIRE 640 16 640 -112 WIRE 720 16 640 16 WIRE 832 16 784 16 WIRE 944 16 832 16 WIRE 1472 16 1456 16 WIRE 1568 16 1472 16 WIRE 384 48 384 16 WIRE 384 48 256 48 WIRE 480 48 480 16 WIRE 96 96 96 16 WIRE 192 96 192 16 WIRE 256 96 256 48 WIRE 512 96 512 16 WIRE 832 96 832 16 WIRE 352 112 352 16 WIRE 944 112 944 16 WIRE 1568 112 1568 16 WIRE -176 128 -176 16 WIRE -176 256 -176 208 WIRE 96 256 96 176 WIRE 96 256 -176 256 WIRE 192 256 192 176 WIRE 192 256 96 256 WIRE 256 256 256 176 WIRE 256 256 192 256 WIRE 352 256 352 176 WIRE 352 256 256 256 WIRE 512 256 512 176 WIRE 512 256 352 256 WIRE 576 256 576 64 WIRE 576 256 512 256 WIRE 832 256 832 176 WIRE 832 256 576 256 WIRE 944 256 944 176 WIRE 944 256 832 256 WIRE -176 272 -176 256 WIRE 1568 288 1568 192 FLAG -176 272 0 FLAG 880 -160 0 FLAG 32 16 in FLAG 704 -160 0 FLAG 816 -160 0 FLAG 1568 288 0 FLAG 944 16 mixer FLAG 1472 16 mixer SYMBOL voltage -176 112 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(0 1u 7meg) SYMATTR Value2 AC 2 SYMBOL ind2 80 80 R0 SYMATTR InstName L1 SYMATTR Value 1µ SYMATTR Type ind SYMBOL ind2 176 80 R0 SYMATTR InstName L2 SYMATTR Value 8µ SYMATTR Type ind SYMATTR SpiceLine Rpar=15k SYMBOL cap 336 112 R0 SYMATTR InstName C1 SYMATTR Value {DREHKO} SYMBOL res -16 0 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 2k SYMBOL ind2 240 80 R0 SYMATTR InstName L3 SYMATTR Value 55n SYMATTR Type ind SYMBOL njf 640 64 M270 SYMATTR InstName J1 SYMATTR Value 2N3819 SYMBOL res 496 80 R0 SYMATTR InstName R2 SYMATTR Value 150 SYMBOL cap 784 0 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 1n SYMBOL ind 816 80 R0 SYMATTR InstName L4 SYMATTR Value 8µ SYMATTR SpiceLine Rpar=15k SYMBOL cap 928 112 R0 SYMATTR InstName C4 SYMATTR Value {DREHKO} SYMBOL cap 496 0 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 1n SYMBOL res 1552 96 R0 SYMATTR InstName R3 SYMATTR Value 200k SYMBOL voltage 880 -288 R0 WINDOW 3 24 44 Left 2 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 10 SYMBOL ind 624 -208 R0 SYMATTR InstName L5 SYMATTR Value 1m SYMBOL res 816 -288 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 270 SYMBOL cap 800 -240 R0 SYMATTR InstName C5 SYMATTR Value 10n SYMBOL cap 688 -240 R0 SYMATTR InstName C6 SYMATTR Value 10n TEXT 56 312 Left 2 !K1 L1 L2 L3 0.8 TEXT -210 332 Left 2 !.ac lin 1meg 2meg 12meg TEXT 320 344 Left 2 !.step param DREHKO list 345p 200p 100p 50p 25p