Make: Analog Synthesizers by Ray Wilson

Make: Analog Synthesizers by Ray Wilson

Author:Ray Wilson
Language: eng
Format: epub, mobi, pdf
Tags: TECHNOLOGY & ENGINEERING / Electronics / General
ISBN: 9781449345181
Publisher: Maker Media, Inc
Published: 2013-05-07T16:00:00+00:00


Negative Feedback Demystified

Op amps use what is known as negative feedback to produce precise amounts of gain (amplification), and they make it as easy as pie to get whatever gain you need. Figure 5-2 shows the circuit that you could use to amplify a low-level signal (a guitar or microphone for example) up to a level that would be considered line level. In this section I’ll try to demystify op amps and negative feedback and then show you some practical uses for them in your own synth-DIY work.



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