82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
Version 4
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SHEET 1 2748 1632
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WIRE 2112 864 2112 848
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WIRE 2112 864 2000 864
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WIRE 2224 864 2112 864
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WIRE 2000 880 2000 864
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WIRE 2224 880 2224 864
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WIRE 2000 976 2000 960
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WIRE 2368 976 2000 976
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WIRE 2224 1024 2224 960
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WIRE 2368 1024 2224 1024
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WIRE 2000 1056 2000 976
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WIRE 2224 1056 2224 1024
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WIRE 1840 1104 1760 1104
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WIRE 1936 1104 1920 1104
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WIRE 2336 1104 2288 1104
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WIRE 2336 1120 2336 1104
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WIRE 2496 1120 2496 1104
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WIRE 2624 1120 2624 1104
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WIRE 1760 1136 1760 1104
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WIRE 2000 1184 2000 1152
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WIRE 2112 1184 2000 1184
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WIRE 2224 1184 2224 1152
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WIRE 2224 1184 2112 1184
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WIRE 2112 1200 2112 1184
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WIRE 2496 1216 2496 1200
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WIRE 2624 1216 2624 1200
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WIRE 2336 1232 2336 1200
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WIRE 1760 1248 1760 1216
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WIRE 2112 1312 2112 1280
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FLAG 2496 1216 0
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FLAG 2624 1216 0
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FLAG 1760 1248 0
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FLAG 2624 1104 -V
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FLAG 2496 1104 +V
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FLAG 2112 1312 -V
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FLAG 2112 848 +V
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FLAG 2368 976 OUT-
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FLAG 2368 1024 OUT+
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FLAG 2336 1232 0
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SYMBOL voltage 2496 1104 R0
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SYMATTR InstName V2
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SYMATTR Value {V}
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SYMBOL voltage 2624 1104 R0
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SYMATTR InstName V3
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SYMATTR Value {-V}
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SYMBOL res 1936 1088 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R1
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SYMATTR Value 1K
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SYMBOL voltage 1760 1120 R0
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WINDOW 3 37 57 Left 2
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WINDOW 39 0 0 Left 2
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WINDOW 123 24 104 Left 2
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SYMATTR Value 0
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SYMATTR Value2 AC 1
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SYMATTR InstName V1
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SYMBOL npn 1936 1056 R0
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SYMATTR InstName Q1
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SYMATTR Value 2N2222
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SYMBOL npn 2288 1056 M0
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SYMATTR InstName Q2
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SYMATTR Value 2N2222
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SYMBOL res 1984 864 R0
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SYMATTR InstName R3
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SYMATTR Value 1K
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SYMBOL res 2208 864 R0
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SYMATTR InstName R4
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SYMATTR Value 1K
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SYMBOL res 2096 1184 R0
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SYMATTR InstName R5
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SYMATTR Value {R}
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SYMBOL res 2320 1104 R0
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SYMATTR InstName R2
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SYMATTR Value 1K
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TEXT 2216 1352 Left 2 !.NOISE V(out+,out-) V1 list 10K
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TEXT 2216 1288 Left 2 !.param V=15
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TEXT 2216 1320 Left 2 !.step oct param R 500 100K 10
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TEXT 1696 1408 Left 2 ;This example demonstrates .stepping a global parameter, R, while computing\nthe noise at a single frequency. The resultant plot of V(inoise_density) vs. R\nshows a minimun noise with a tail resistance around 16kOhms.
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TEXT 2112 1512 Top 1 ;This example schematic is supplied for informational/educational purposes only.
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