PHYS345 PHYS345 Class 21

Bottom of page / Previous Class / Next Class

Quote of the Day -- Question of the Day

Op Amps

What's inside? 741, LF356

What matters to us:
Generic Op Amp

Golden Rules of Op Amps

  1. With negative feedback, the output attempts to do whatever is necessary to make the voltage difference between the two inputs ZERO.
  2. The inputs draw no current.

Inverting Amplifier
Inverting Amplifier

Non-Inverting Amplifier
Non-Inverting Amplifier

Voltage Follower
Voltage Follower

Top of page; Back to PHYS345 Home Page.
Comments, suggestions, or requests to

Last updated November 19, 1998.
Copyright George Watson, Univ. of Delaware, 1998.