user avatar
user avatar
user avatar
Chupacabras
  • Member for 6 years, 9 months
  • Last seen this week
  • Slovakia
21 votes
6 answers
5k views

How to combat noise from my circuit polluting my 12V rail?

8 votes
4 answers
2k views

Accuracy of a multimeter over 10 years period

7 votes
3 answers
3k views

Difference between [W] and [WS] power rating of resistors

6 votes
2 answers
1k views

Long-tailed pair - gain and bandwidth

6 votes
3 answers
2k views

Why are multiple bias voltages required to drive an LCD?

4 votes
1 answer
2k views

Strange oscillations with TL431 voltage reference

4 votes
4 answers
6k views

How to filter noise from fan

4 votes
1 answer
112 views

STM32F030 High current in stop mode

3 votes
2 answers
1k views

How to properly terminate this circuit (50ohm coaxial to oscilloscope)

3 votes
1 answer
536 views

Dave Jones's uCurrent - oscillations

3 votes
1 answer
1k views

Spike in current limiter

3 votes
1 answer
2k views

Why is this switching transistor heating up?

3 votes
1 answer
3k views

Use RMS or peak value of current for transformer selection

3 votes
2 answers
3k views

Is a snubber for transformer primary winding necessary?

2 votes
2 answers
6k views

Is this 400V capacitor rating for DC or AC?

2 votes
1 answer
683 views

Is this capacitor suitable for boost converter (low ESR)?

2 votes
1 answer
198 views

Flyback power supply instability issue

2 votes
1 answer
176 views

Does NTC temperature measurement need calibration?

1 vote
1 answer
208 views

SMD marking code 63M09

1 vote
0 answers
127 views

Buffer amplifier for DC-1MHz (discrete parts)

1 vote
1 answer
116 views

Is this current source (or mirror)? How does it work?

1 vote
0 answers
256 views

Linear power supply and mains filtering and protection

1 vote
1 answer
991 views

Triac dimmer makes audible noise (hum or buzz)

1 vote
1 answer
406 views

Value of 5-band resistor (current sense)

1 vote
4 answers
1k views

Problem with opamp stability in DC load

1 vote
2 answers
2k views

AC analysis of opamp loop in LTspice

1 vote
0 answers
362 views

4-wire voltage sensing for DC load

0 votes
3 answers
687 views

LDO with tantalums and circuit with ceramic bypass capacitors

0 votes
1 answer
540 views

Problem with accuracy of AD633 multiplier

0 votes
0 answers
229 views

The precision of internal voltage reference in PIC