Version 4
SHEET 1 968 680
WIRE -1120 -272 -1136 -272
WIRE -1136 -256 -1136 -272
WIRE -1168 -240 -1456 -240
WIRE -672 -224 -1104 -224
WIRE -512 -224 -672 -224
WIRE -336 -224 -432 -224
WIRE -256 -224 -336 -224
WIRE -1168 -208 -1216 -208
WIRE -1456 -192 -1456 -240
WIRE -1136 -176 -1136 -192
WIRE -1120 -176 -1136 -176
WIRE -672 -176 -672 -224
WIRE -336 -160 -336 -224
WIRE -1216 -48 -1216 -208
WIRE -1136 -48 -1216 -48
WIRE -1040 -48 -1136 -48
WIRE -864 -48 -960 -48
WIRE -672 -48 -672 -96
WIRE -672 -48 -864 -48
WIRE -96 -48 -96 -80
WIRE -336 -32 -336 -96
WIRE -672 16 -672 -48
WIRE -96 64 -96 32
WIRE 0 64 -96 64
WIRE 0 80 0 64
WIRE -96 96 -96 64
WIRE -672 144 -672 96
WIRE -96 208 -96 176
FLAG 0 80 0
FLAG -96 -80 vcc
FLAG -96 208 vee
FLAG -1456 -192 0
FLAG -1120 -272 vee
FLAG -1120 -176 vcc
FLAG -256 -224 vo
FLAG -672 144 0
FLAG -1136 -48 vtest
FLAG -864 -48 vfb
FLAG -336 -32 0
SYMBOL voltage -96 -64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 49 32 Left 2
WINDOW 3 39 56 Left 2
SYMATTR InstName Vcc
SYMATTR Value +15V
SYMBOL voltage -96 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 43 44 Left 2
WINDOW 3 39 71 Left 2
SYMATTR InstName Vee
SYMATTR Value +15V
SYMBOL res -688 0 R0
SYMATTR InstName R1
SYMATTR Value 1e9
SYMBOL res -688 -192 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -1056 -48 R270
WINDOW 123 -85 33 VRight 2
WINDOW 39 0 0 Left 2
WINDOW 0 -58 29 VRight 2
WINDOW 3 -208 225 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName Vtest
SYMATTR Value ""
SYMBOL cap -352 -160 R0
SYMATTR InstName Cload
SYMATTR Value 0nF
SYMBOL res -416 -240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Riso
SYMATTR Value 0.1
SYMBOL OPAMP_2 -1136 -224 R0
WINDOW 0 40 -23 Left 2
WINDOW 39 -51 -91 Left 2
SYMATTR InstName X1
SYMATTR SpiceLine Aol=1e6 fu=10e6 slew=10 ro=50
TEXT -1136 -608 Left 2 ;Op Amp - OPEN LOOP AC TEST
TEXT -1048 -560 Left 2 !.ac dec 20 1 10e6
TEXT -1136 -384 Left 2 ;Forward Path - A
TEXT -680 -384 Left 2 ;Feedback Path - B
TEXT -1448 -384 Left 2 ;Summing Junction
TEXT -1456 -264 Left 2 ;Vset = 0
TEXT -1120 88 Left 2 ;Break loop, insert Vtest
LINE Normal -1184 -224 -1328 -368 3