initial commit

examples/jigs/1638.asc

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+Version 4
+SHEET 1 896 680
+WIRE -80 80 -80 64
+WIRE -32 80 -80 80
+WIRE 64 80 48 80
+WIRE 288 80 64 80
+WIRE -80 112 -80 80
+WIRE -288 160 -288 144
+WIRE 288 176 288 80
+WIRE 128 192 128 176
+WIRE -80 208 -80 192
+WIRE -32 208 -80 208
+WIRE 96 208 48 208
+WIRE 224 224 160 224
+WIRE -80 240 -80 208
+WIRE 64 240 64 80
+WIRE 96 240 64 240
+WIRE -288 256 -288 240
+WIRE 128 272 128 256
+WIRE 288 288 288 272
+WIRE 368 288 288 288
+WIRE 288 304 288 288
+WIRE -80 352 -80 320
+WIRE 288 400 288 384
+FLAG -288 256 0
+FLAG 128 176 +V
+FLAG -288 144 +V
+FLAG 128 272 0
+FLAG 288 400 0
+FLAG -80 64 +V
+FLAG -80 352 0
+FLAG 368 288 OUT
+SYMBOL voltage -288 144 R0
+SYMATTR InstName V1
+SYMATTR Value 5
+SYMBOL npn 224 176 R0
+SYMATTR InstName Q1
+SYMATTR Value 2N3904
+SYMBOL res 272 288 R0
+SYMATTR InstName R1
+SYMATTR Value 2K
+SYMBOL res -96 96 R0
+SYMATTR InstName R2
+SYMATTR Value .2
+SYMBOL res 64 64 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R3
+SYMATTR Value 200
+SYMBOL res 64 192 R90
+WINDOW 0 0 56 VBottom 2
+WINDOW 3 32 56 VTop 2
+SYMATTR InstName R4
+SYMATTR Value 200
+SYMBOL current -80 240 R0
+WINDOW 123 0 0 Left 2
+WINDOW 39 0 0 Left 2
+SYMATTR InstName I1
+SYMATTR Value SINE(1 1 1K)
+SYMBOL opamps\\LT1638 128 160 R0
+SYMATTR InstName U1
+TEXT 376 368 Left 2 !.tran 3m
+TEXT 128 -16 Bottom 2 ;Positive Supply Rail Current Sense