User Hugoagogo

53 votes

11 answers

28k views

Why three-phase power? Why not a higher number of phases?

asked Aug 12, 2015 at 9:07

52 votes

2 answers

11k views

Why do some diodes have a glass package?

asked Jul 28, 2014 at 3:56

32 votes

8 answers

119k views

Why is it dangerous use a coiled extension cord?

asked Oct 1, 2015 at 0:04

10 votes

3 answers

9k views

Is it possible to determine load on a stepper motor when stopped

asked Nov 19, 2014 at 22:32

10 votes

1 answer

3k views

Why include a small resistance between op-amp stages

asked Jul 10, 2017 at 6:33

9 votes

1 answer

5k views

I2C only works when probed or loaded with 1Mohm

asked Jul 19, 2017 at 14:18

7 votes

3 answers

456 views

Non-linearity of op-amp attenuator

asked Jul 15, 2021 at 8:25

6 votes

1 answer

651 views

Most robust way to stiffen a thin PCB

asked Sep 5, 2016 at 6:59

4 votes

3 answers

894 views

Better Gerber Review Tools

asked Jan 28, 2016 at 0:42

4 votes

1 answer

631 views

Troubleshoot load capacitance (crystal not starting)

asked Oct 20, 2015 at 13:03

3 votes

2 answers

3k views

Ribbon Cable Noise Susceptibility

asked Dec 15, 2015 at 5:32

3 votes

1 answer

957 views

How to represent socketed components in schematic

asked Jan 15, 2016 at 4:53

3 votes

2 answers

2k views

Op-Amp damage from floating input

asked Jul 13, 2016 at 3:21

3 votes

0 answers

71 views

Op-Amp Current Flow through inputs

asked Aug 3 at 4:23

3 votes

1 answer

2k views

Driving mosfets when supply is greater than Vgs Limit

asked Nov 23, 2017 at 6:30

3 votes

1 answer

375 views

Reverse engineer a custom (failed) transformer

asked Jan 8, 2018 at 11:30

3 votes

2 answers

108 views

Op-amp output wanders over the course of a few seconds

asked Jul 30, 2019 at 2:25

2 votes

2 answers

1k views

Slow charging a li-po battery

asked Oct 18, 2012 at 4:35

1 vote

1 answer

347 views

Is it possible to get an exponential capacitance curve from coded dip switch

asked Dec 3, 2015 at 1:16

1 vote

2 answers

796 views

AC Motor torque simulation

asked Sep 5, 2015 at 4:07

1 vote

2 answers

176 views

Reasons for a simulated circuit to oscillate when the physical circuit does not

asked Jan 24, 2016 at 22:22

1 vote

1 answer

824 views

Ways to determine approximate magnitude of crosstalk between PCB layers

asked Mar 1, 2016 at 6:24

1 vote

2 answers

94 views

Low power voltage step down for datalogging

asked Feb 20, 2017 at 22:26

1 vote

2 answers

620 views

Robustness of surface mounting daughterboards

asked Apr 11, 2017 at 2:54

1 vote

1 answer

394 views

Panel mounting an LCD screen in a hobby project

asked May 22, 2017 at 7:03

1 vote

2 answers

468 views

What happens to the output voltage of an unloaded linear regulator

asked Aug 23, 2019 at 0:38

1 vote

2 answers

2k views

Understanding back EMF measurement in brushed DC motors

asked Jul 2, 2021 at 8:31

1 vote

1 answer

373 views

Is there any surprises in using high bandwidth instrumentation amplifier

asked Aug 31, 2016 at 7:07

0 votes

1 answer

419 views

MOSFET power-on delay

asked Jan 12, 2022 at 7:16

0 votes

1 answer

45 views

Diagnosing RCBO trip when heating elements turn off

asked Aug 22 at 13:19

Stack Exchange Network

33 Questions

Why three-phase power? Why not a higher number of phases?

Why do some diodes have a glass package?

Why is it dangerous use a coiled extension cord?

Is it possible to determine load on a stepper motor when stopped

Why include a small resistance between op-amp stages

I2C only works when probed or loaded with 1Mohm

Non-linearity of op-amp attenuator

Most robust way to stiffen a thin PCB

Better Gerber Review Tools

Troubleshoot load capacitance (crystal not starting)

Ribbon Cable Noise Susceptibility

How to represent socketed components in schematic

Op-Amp damage from floating input

Op-Amp Current Flow through inputs

Driving mosfets when supply is greater than Vgs Limit

Reverse engineer a custom (failed) transformer

Op-amp output wanders over the course of a few seconds

Slow charging a li-po battery

Is it possible to get an exponential capacitance curve from coded dip switch

AC Motor torque simulation

Reasons for a simulated circuit to oscillate when the physical circuit does not

Ways to determine approximate magnitude of crosstalk between PCB layers

Low power voltage step down for datalogging

Robustness of surface mounting daughterboards

Panel mounting an LCD screen in a hobby project

What happens to the output voltage of an unloaded linear regulator

Understanding back EMF measurement in brushed DC motors

Is there any surprises in using high bandwidth instrumentation amplifier

MOSFET power-on delay

Diagnosing RCBO trip when heating elements turn off