Version 4
SHEET 1 880 680
WIRE 336 -128 304 -128
WIRE 448 -128 400 -128
WIRE 304 -32 304 -128
WIRE 336 -32 304 -32
WIRE 448 -32 448 -128
WIRE 448 -32 416 -32
WIRE 384 112 384 96
WIRE -192 128 -320 128
WIRE 80 128 -192 128
WIRE 304 128 304 -32
WIRE 304 128 80 128
WIRE 352 128 304 128
WIRE 448 144 448 -32
WIRE 448 144 416 144
WIRE 496 144 448 144
WIRE -320 160 -320 128
WIRE -192 160 -192 128
WIRE 80 160 80 128
WIRE 352 160 304 160
WIRE 304 192 304 160
WIRE 384 192 384 176
WIRE -320 256 -320 240
WIRE -192 256 -192 224
WIRE 80 256 80 224
WIRE 336 288 336 272
WIRE 448 288 448 272
WIRE 336 384 336 368
WIRE 448 384 448 368
FLAG 384 96 V+
FLAG 384 192 V-
FLAG -192 256 0
FLAG 80 256 0
FLAG 336 384 0
FLAG 448 384 0
FLAG 304 192 0
FLAG 336 272 V+
FLAG 448 272 V-
FLAG -320 256 0
FLAG 496 144 out
SYMBOL Opamps\\UniversalOpamp2 384 144 R0
SYMATTR InstName U1
SYMATTR Value2 Avol=1Meg GBW={GBW} Slew={SR}
SYMATTR SpiceModel level.3a
SYMBOL res 320 -16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap 64 160 R0
SYMATTR InstName CCABLE
SYMATTR Value 400p
SYMBOL diode -208 224 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value DPHOTO
SYMBOL voltage 336 272 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 448 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL cap 336 -112 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value {CF}
SYMBOL current -320 160 R0
WINDOW 3 -40 153 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 20u 0 100n 100n 10u 20u)
SYMATTR InstName IPHOT
TEXT -192 360 Left 2 !.model DPHOTO D(Cjo=100p RS=1)
TEXT -312 -200 Left 2 !.tran 0 20u 0 10n
TEXT -312 -168 Left 2 !.options plotwinsize=0
TEXT -312 -128 Left 2 !.param x=1\n.param GBW=table(x,1,10meg,2,20meg,3,50meg)\n.param SR=table(x,1,5meg,2,10meg,3,20meg)\n.param CF=table(x,1,15p,2,10p,3,6.8p)
TEXT -312 8 Left 2 !.step param x list 1, 2, 3
TEXT -304 -256 Left 2 ;TIA Simulation With GBW 10, 20, 50 MegaHertz
RECTANGLE Normal 272 288 -64 96 2