User Barleyman

19 votes

Ceramic caps vs electrolytic. What are the tangible differences in use?

answered May 6, 2016 at 10:34

17 votes

Why are GND pads often only connected by four traces?

answered May 22, 2019 at 9:31

11 votes

Accepted

What is the acceptable margin for radiated emission on an European CE device

answered Oct 10, 2018 at 11:27

11 votes

Rules and guidelines for drawing good schematics

answered Apr 19, 2016 at 12:45

10 votes

Accepted

Is it safe? 9v from 12 to 3.3 on ATX PSU

answered Apr 22, 2016 at 13:58

10 votes

In order to avoid solder bridges during reflow, What is the minimum pad-to-pad spacing?

answered Oct 19, 2016 at 13:27

7 votes

Accepted

Are LEDs in modern streetlights usually pulsed? If so, roughly what frequency?

answered Jun 14, 2017 at 9:44

7 votes

PCB colors - what's available, and why?

answered Aug 30, 2017 at 9:53

6 votes

Rough edges for a solder joint

answered Aug 1, 2017 at 9:46

6 votes

Antiresonance of multiple parallel decoupling capacitors: use same value or multiple values?

answered Jul 25, 2017 at 12:19

6 votes

Electronics System Standards Compliance: Certification, Testing & Verification

answered May 9, 2016 at 17:34

5 votes

Accepted

Buffer for 5V, 500ps to 10 ns pulses

answered Apr 20, 2016 at 13:58

5 votes

Is there a reason why we don't use higher rated voltage capacitors?

answered Jul 31, 2017 at 16:25

4 votes

Switch-mode power supply output voltage manipulation via feedback node

answered Apr 12, 2018 at 17:17

4 votes

Accepted

Why not use a MOSFET instead of a BJT?

answered Aug 23, 2017 at 13:57

4 votes

Accepted

Standard 2.54/1.27mm pinheader impedance

answered Jul 24, 2018 at 11:11

4 votes

Accepted

Boost converter IC layout fails with increased load

answered Jan 1, 2022 at 2:43

4 votes

Accepted

Does the IR2110 need a gate resistor?

answered Apr 19, 2016 at 21:20

4 votes

Circuit for measuring high voltage DC voltage (up to 1000V)

answered Sep 6, 2016 at 15:02

4 votes

DC to DC converter: How do I convert 110 Vdc to 5 Vdc with 2.5 Amps current?

answered Sep 7, 2016 at 11:27

4 votes

if voltage is too high but current too low, then is it dangerous for humans?

answered Sep 12, 2016 at 8:54

3 votes

Accepted

Get -50V to 50V range from battery output

answered Jul 22, 2016 at 9:22

3 votes

How safe is 48V DC?

answered Nov 8, 2016 at 11:45

3 votes

LM741 not amplifying

answered Oct 5, 2016 at 15:10

3 votes

Power supply design for CPU: Define maximum current needed

answered Jul 28, 2017 at 13:17

3 votes

Should I really divide the ground plane into analog and digital parts?

answered Jun 7, 2017 at 14:59

3 votes

How to choose MLCC cap values for power supply decoupling?

answered May 16, 2016 at 12:11

3 votes

How do I get pin headers to reflow flat to the board?

answered Oct 20, 2021 at 12:12

3 votes

Accepted

Hardware architecture for power

answered Jun 4, 2019 at 13:38

3 votes

Accepted

USB shield for analog and digital ground?

answered Sep 14, 2018 at 14:26

Stack Exchange Network

131 Answers

Ceramic caps vs electrolytic. What are the tangible differences in use?

Why are GND pads often only connected by four traces?

What is the acceptable margin for radiated emission on an European CE device

Rules and guidelines for drawing good schematics

Is it safe? 9v from 12 to 3.3 on ATX PSU

In order to avoid solder bridges during reflow, What is the minimum pad-to-pad spacing?

Are LEDs in modern streetlights usually pulsed? If so, roughly what frequency?

PCB colors - what's available, and why?

Rough edges for a solder joint

Antiresonance of multiple parallel decoupling capacitors: use same value or multiple values?

Electronics System Standards Compliance: Certification, Testing & Verification

Buffer for 5V, 500ps to 10 ns pulses

Is there a reason why we don't use higher rated voltage capacitors?

Switch-mode power supply output voltage manipulation via feedback node

Why not use a MOSFET instead of a BJT?

Standard 2.54/1.27mm pinheader impedance

Boost converter IC layout fails with increased load

Does the IR2110 need a gate resistor?

Circuit for measuring high voltage DC voltage (up to 1000V)

DC to DC converter: How do I convert 110 Vdc to 5 Vdc with 2.5 Amps current?

if voltage is too high but current too low, then is it dangerous for humans?

Get -50V to 50V range from battery output

How safe is 48V DC?

LM741 not amplifying

Power supply design for CPU: Define maximum current needed

Should I really divide the ground plane into analog and digital parts?

How to choose MLCC cap values for power supply decoupling?

How do I get pin headers to reflow flat to the board?

Hardware architecture for power

USB shield for analog and digital ground?