LTSpice Ground

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#1 21671270 31 Mar 2014 13:38

Surjitsinh Chauhan Surjitsinh Chauhan

Anonymous

Post #1
21671270 31 Mar 2014 13:38

I am using op-amp as an amplifier for supply I use +12 V. What should I apply on -Ve supply of op-amp GND or -12 V battery again? Or without using GND I can apply it back to battery -Ve terminal.
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#2 21671271 31 Mar 2014 20:23

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #2
21671271 31 Mar 2014 20:23

When in doubt when beginning a SPICE model set V- and V+ to the maximum voltages specified for the Op Amp. Having negative and positive supply rails frees one to set the input signals without tight constraints.
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