Version 4
SHEET 1 1044 680
WIRE 320 -688 176 -688
WIRE 608 -688 320 -688
WIRE 176 -656 176 -688
WIRE 320 -624 320 -688
WIRE 608 -624 608 -688
WIRE 176 -544 176 -576
WIRE 320 -512 320 -544
WIRE 368 -512 320 -512
WIRE 320 -448 320 -512
WIRE 608 -448 608 -544
WIRE 256 -400 208 -400
WIRE 720 -400 672 -400
WIRE 416 -352 320 -352
WIRE 480 -352 416 -352
WIRE 608 -352 560 -352
WIRE 720 -352 720 -400
WIRE 416 -336 416 -352
WIRE 416 -224 416 -256
WIRE 720 -224 720 -272
WIRE 416 -112 416 -144
WIRE 720 32 656 32
WIRE 128 48 64 48
WIRE 656 64 656 32
WIRE 64 80 64 48
WIRE 400 112 384 112
WIRE 464 112 448 112
WIRE 656 160 656 144
WIRE 64 176 64 160
FLAG 64 176 0
FLAG 464 112 out2
IOPIN 464 112 Out
FLAG 128 48 xdB
FLAG 384 112 xdB
IOPIN 384 112 In
FLAG 656 160 0
FLAG 720 32 ydB
FLAG 416 -112 0
FLAG 176 -544 0
FLAG 720 -224 0
FLAG 208 -400 out2
IOPIN 208 -400 In
FLAG 368 -512 z
IOPIN 368 -512 Out
SYMBOL voltage 64 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PWL(0 -85 1 10)
SYMBOL bv 656 48 R0
SYMATTR InstName B1
SYMATTR Value V= 0.1 +(V(xdB)+85)*0.0205
SYMBOL npn 256 -448 R0
SYMATTR InstName Q1
SYMATTR Value BC549C
SYMBOL npn 672 -448 M0
SYMATTR InstName Q2
SYMATTR Value BC549C
SYMBOL res 400 -352 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 304 -640 R0
SYMATTR InstName R2
SYMATTR Value 10.1k
SYMBOL voltage 416 -240 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName VREF5
SYMATTR Value -5.
SYMBOL voltage 176 -672 R0
SYMATTR InstName VREF10
SYMATTR Value 10
SYMBOL res 592 -640 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL voltage 720 -368 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 0.55
SYMBOL res 576 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 3350
TEXT 312 48 Left 2 !.inc BV_logtable1.txt
TEXT 56 -64 Left 2 !;tran 0 1 0 1m
TEXT 56 -32 Left 2 !.options plotwinsize=0
TEXT 0 -168 Left 2 !.dc V1 -85 10 0.1
RECTANGLE Normal 448 128 400 96 2
RECTANGLE Normal 576 144 304 16 2