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LEXOR AI
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8 votes
3 answers
2k views

Are there any certifications required when selling a home-made microphone in the EU?

4 votes
3 answers
285 views

How/why exactly does this JFET work as a current source?

3 votes
1 answer
438 views

How to star ground in a breadboard?

2 votes
1 answer
133 views

Why is there current flowing into my JFET? [closed]

2 votes
2 answers
138 views

Is my microphone capsule dead?

1 vote
1 answer
71 views

Why does my food mixer have voltage across input cable leads even when unplugged?

1 vote
2 answers
545 views

What JFETS are used in electret mics?

0 votes
1 answer
279 views

Have I connected the JLI2555 microphone capsule correctly in my circuit?

0 votes
3 answers
208 views

Why doesn't my microphone amplifier work?

0 votes
2 answers
116 views

Are the answers of this questions all incorrect? [closed]

0 votes
2 answers
146 views

Why is voltage from sound card in audio circuit not constant?

0 votes
1 answer
78 views

Low bias voltage from headphone jack

0 votes
1 answer
158 views

How can I connect an amplifier circuit to microphone input on a laptop?

0 votes
1 answer
381 views

How to make very low range FM Transmitter?