Version 4
SHEET 1 968 680
WIRE -1520 -240 -1536 -240
WIRE -1472 -240 -1520 -240
WIRE -1344 -240 -1392 -240
WIRE -1280 -240 -1344 -240
WIRE -1056 -240 -1200 -240
WIRE -864 -240 -1056 -240
WIRE -832 -240 -864 -240
WIRE -640 -224 -768 -224
WIRE -576 -224 -640 -224
WIRE -960 -208 -1168 -208
WIRE -864 -208 -960 -208
WIRE -832 -208 -864 -208
WIRE -1056 -192 -1056 -240
WIRE -960 -192 -960 -208
WIRE -1536 -176 -1536 -240
WIRE -640 -160 -640 -224
WIRE -1056 -96 -1056 -112
WIRE -1008 -96 -1056 -96
WIRE -960 -96 -960 -112
WIRE -960 -96 -1008 -96
WIRE -1008 -80 -1008 -96
WIRE -1536 -32 -1536 -96
WIRE -1168 -16 -1168 -208
WIRE -640 -16 -640 -80
WIRE -640 -16 -1168 -16
WIRE -640 48 -640 -16
WIRE -640 192 -640 128
FLAG -1536 -32 0
FLAG -864 -240 vp
FLAG -640 192 0
FLAG -576 -224 vo
FLAG -1008 -80 0
FLAG -864 -208 vn
FLAG -1520 -240 vs
FLAG -1344 -240 vs1
SYMBOL res -1376 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rs
SYMATTR Value 1k
SYMBOL res -624 144 R180
WINDOW 0 -36 64 Left 2
WINDOW 3 -196 19 Left 2
SYMATTR InstName R1
SYMATTR Value {10k*(1+0.00)}
SYMBOL res -656 -176 R0
WINDOW 0 43 45 Left 2
WINDOW 3 34 86 Left 2
SYMATTR InstName R2
SYMATTR Value {10k*(1+0.00)}
SYMBOL current -960 -112 R180
WINDOW 0 -90 46 Left 2
WINDOW 3 -76 7 Left 2
SYMATTR InstName Ibn
SYMATTR Value 0ľA
SYMBOL current -1056 -112 R180
WINDOW 0 39 52 Left 2
WINDOW 3 29 5 Left 2
SYMATTR InstName Ibp
SYMATTR Value 0ľA
SYMBOL voltage -1536 -192 R0
WINDOW 0 43 41 Left 2
WINDOW 3 -388 114 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vs
SYMATTR Value PWL(0us 0V 0.1us {vstep})
SYMBOL voltage -1184 -240 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName voff
SYMATTR Value 0V
SYMBOL OpAmps\\opamp -800 -160 M180
WINDOW 0 -3 111 Left 2
WINDOW 38 -2 31 Left 2
SYMATTR InstName U1
SYMATTR SpiceModel opamp1
SYMATTR Value opamp1
TEXT -1240 -464 Left 2 ;Op Amp Test Circuit
TEXT -1208 -416 Left 2 !.tran 10us
TEXT -1288 248 Left 2 !*  pin order      in- in+ out\n.SUBCKT OPAMP1      1  2   3\nEGAIN     3 0   2 1     1000K\n.ENDS
TEXT -1208 -376 Left 2 !.param vstep=1