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Dat
  • Member for 5 years, 10 months
  • Last seen more than a month ago
  • Hà Nội, Việt Nam
0 votes
1 answer
203 views

Why do two different approaches give different results about choosing resistances for voltage divider of emitter follower circuit?

2 votes
1 answer
288 views

How does this pentode power amplifier (old technology, 1960s) work?

2 votes
1 answer
100 views

How does this DC offset sinwave input work?

4 votes
3 answers
1k views

How can I solve this simple BJT circuit?

9 votes
4 answers
1k views

Basic electronics: Transistor switch

8 votes
1 answer
3k views

What is the purpose of a diode connected to the pins of a motor? [duplicate]

0 votes
3 answers
406 views

How is this high pass filter?

0 votes
1 answer
147 views

How does this circuit generate a high frequency signal?

5 votes
2 answers
1k views

What is the purpose of this extra capacitor in a notch filter?

0 votes
0 answers
1k views

How to tell a battery is LiPo or Li Ion (based on apperance)?

0 votes
2 answers
118 views

What is the type of this transducer?

1 vote
2 answers
865 views

What does 75A mean for this motorcycle battery?