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Questions about designing electronics for measuring, processing, and amplifying audio signals.

8 votes
3 answers
6k views

How to avoid a electrolytic capacitor on a (audio) signal path?

I've built a compressor basing on the all-in-one chip THAT4301. It works well. But I'm still not happy because of the electrolytic capacitor I used in the signal path. My design was based on the refe …
Caniko's user avatar
  • 295
2 votes
4 answers
1k views

Advantages/Disadvantages of ground fill on both layers (of a 2-layers-board)

I have many 2-layer boards for analogue-audio-stuff. I use both layers for routing and I have ground fills on just one layer. (mostly on bottom layer). Well it works this way but.. …
Caniko's user avatar
  • 295
0 votes
2 answers
416 views

Symmetrical power supply: Rail fuses useful or dangerous?

I'm designing/testing power amp stuff with symmetrical power supplies (43V-0-43V). In the next future I'm planning to control all safety/healthy stuff (like over current / over voltage / temperature e …
Caniko's user avatar
  • 295