Version 4
SHEET 1 1184 680
WIRE 592 -144 464 -144
WIRE 800 -144 592 -144
WIRE 464 -128 464 -144
WIRE 464 -32 464 -48
WIRE 608 32 400 32
WIRE 656 32 608 32
WIRE 800 32 800 -144
WIRE 800 32 736 32
WIRE 1072 32 976 32
WIRE 128 80 48 80
WIRE 272 80 208 80
WIRE 304 80 272 80
WIRE 800 80 800 32
WIRE 976 80 976 32
WIRE 1072 80 1072 32
WIRE 544 96 464 96
WIRE 48 128 48 80
WIRE 304 128 304 80
WIRE 400 128 400 32
WIRE 544 128 544 96
WIRE 464 208 464 96
WIRE 464 208 400 208
WIRE 608 208 544 208
WIRE 800 208 800 160
WIRE 800 208 608 208
WIRE 976 208 976 160
WIRE 1072 208 1072 144
WIRE 1072 208 976 208
WIRE 48 256 48 208
WIRE 304 256 304 208
WIRE 304 256 48 256
WIRE 464 256 464 208
WIRE 464 256 304 256
WIRE 976 256 976 208
WIRE 976 256 464 256
WIRE 48 272 48 256
FLAG 48 272 0
FLAG 464 -32 0
FLAG 592 -144 log_amp
FLAG 272 80 in
FLAG 608 32 A
FLAG 608 208 B
SYMBOL voltage 48 112 M0
WINDOW 3 -124 105 Left 2
WINDOW 123 41 66 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value SINE(0 2.8 10Meg)
SYMATTR Value2 AC 2
SYMATTR InstName V1
SYMBOL res 224 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL ind2 784 64 R0
WINDOW 0 -30 42 Left 2
WINDOW 3 -62 74 Left 2
SYMATTR InstName L1
SYMATTR Value 200n
SYMATTR Type ind
SYMATTR SpiceLine Rser=0.1 Rpar=10k
SYMBOL ind2 640 48 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 200n
SYMATTR Type ind
SYMATTR SpiceLine Rser=0.1 Rpar=10k
SYMBOL cap 1056 80 R0
SYMATTR InstName C1
SYMATTR Value 100p
SYMBOL ind2 320 112 M0
SYMATTR InstName L3
SYMATTR Value 10µ
SYMATTR Type ind
SYMBOL ind2 416 112 M0
SYMATTR InstName L4
SYMATTR Value 10µ
SYMATTR Type ind
SYMBOL ind2 560 112 M0
SYMATTR InstName L5
SYMATTR Value 10µ
SYMATTR Type ind
SYMBOL ind2 992 64 M0
SYMATTR InstName L6
SYMATTR Value 2µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=1 Rpar=30k
SYMBOL res 448 -144 R0
SYMATTR InstName R2
SYMATTR Value 50
TEXT -32 -72 Left 2 !.ac dec 10k 5Meg 50Meg
TEXT 816 200 Left 2 !K1 L1 L6 0.2
TEXT 296 288 Left 2 !K2 L3 L4 L5 0.95