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1 vote
2 answers
366 views

LTspice-RIAA-simulation not working out

I'm trying to simulate a RIAA-phonograph-preamp since I want to build a phono-preamp. I've built everything according to the data provided by LT for the LT1115. But my simulation seems to not be ...
Joel Rupp's user avatar
2 votes
1 answer
328 views

Offset problems with charge amplifier

I have a question about designing a charge amplifier. I am currently using this simple setup for my application. As input, I can use several commercial piezo-based accelerometers. I need a pretty ...
phkloth's user avatar
  • 43
0 votes
2 answers
301 views

butterworth configuration of multi-stage amplifier

When designing a multi-stage operational amplifier, people usually use butterworth polynomial to set closed loop pole location of the op amp in feedback configuration, and then back calculate to open ...
Eagle Shou's user avatar
7 votes
2 answers
2k views

Understanding in-loop compensation for capacitive-loaded OpAmp

I'm trying to understand the in-loop compensation for a simple amplifier loaded with a capacitive load, as seen in this article from Analog: http://www.analog.com/library/analogdialogue/archives/38-...
C.Slade's user avatar
  • 133