All Questions
Tagged with electrolytic-capacitor amplifier
8
questions
4
votes
2
answers
293
views
How to remove a capacitor or resistor from an electronic circuit
I would like to modify my amplifier (Peavey 6505+ 112: https://www.thetubestore.com/lib/thetubestore/schematics/Peavey/Peavey-6505PLUS-112-Schematic.pdf), by removing some components and testing some ...
- 41
0
votes
1
answer
209
views
Electrolytic capacitor with zero bias
This is a very common trick used in many audio amplifiers with an op amp topology to minimise the output offset by creating a unity gain for DC. Usually the electrolytic capacitor sits on the ground ...
- 613
0
votes
3
answers
514
views
Replacing the capacitor on an old Philips amplifier
My Philips amplifier broke down (model FA153) and my friend told me it's likely the capicators have worn out (they were produced in West Germany ;))
I am quite the layman in electrical engineering, ...
2
votes
1
answer
239
views
Remove electrolytic capacitors for a class-D amplifier
I'm referring to this schematic TPA3251 Evaluation Module, pg. 18
Question:
Our current board design has an SMPS (flyback, 36V, ripple 50mV) & amplifier (TPA3251) in the same PCB (4 layer.) Due ...
- 377
1
vote
3
answers
769
views
How an electrolytic capacitor survives in negative half cycle?
An electrolytic capacitor doesn't like higher voltage at its opposite terminal i.e higher voltage should only be at positive terminal as per convention.If that so how the capacitor survives in this ...
- 93
0
votes
2
answers
5k
views
Why capacitor are used in amplifiers
I made a sound amplifier and it requires a Capacitor, i removed the capacitor and my amplifier stopped working, what was amplifier doing in that circuit?
Why on removing it circuit stopped working.
- 101
6
votes
3
answers
2k
views
How to identifiy this "2222 063 90025" vintage capacitor?
I am restoring an old stereo valve amp and would like to test (and replace if needed) some components. I don't know the history of the amp, but it's made in New Zealand and looks to be from the 1960'...
- 163
1
vote
3
answers
1k
views
Electrolytic capacitors in guitar amps in odd configuration?
I am building a guitar amp for a senior projects class and one of the amps I am modeling around has some electrolytic capacitors used in a way I don't understand (see picture below) and more ...
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