User feetwet

30 votes

2 answers

60k views

Differences between TVS diode and Zener diodes, in diagrams and in practice?

asked May 11, 2016 at 19:29

24 votes

9 answers

7k views

Measure voltage with no current

asked Dec 13, 2016 at 17:37

20 votes

4 answers

4k views

What makes a LED a laser diode?

asked Feb 5, 2018 at 23:03

17 votes

6 answers

16k views

Why (not) put a resistor on FET gate?

asked May 11, 2016 at 16:49

10 votes

4 answers

4k views

What is a flyback?

asked May 24, 2016 at 2:10

8 votes

2 answers

28k views

Measure high voltages with a multimeter

asked May 22, 2016 at 0:11

7 votes

3 answers

621 views

Are silicon microbolometers inherently more expensive than conventional CMOS light sensors?

asked Jan 13, 2017 at 16:29

7 votes

3 answers

16k views

Why and when do SSRs heat?

asked Feb 6, 2016 at 19:54

6 votes

2 answers

707 views

When to "wind-your-own" vs "scavenge" a transformer?

asked Jun 11, 2016 at 19:24

4 votes

3 answers

841 views

If the voltage doesn't kill you, does the current capability matter?

asked Feb 21, 2016 at 18:14

4 votes

1 answer

2k views

How can I determine voltage and current limit of protoboard?

asked Apr 2, 2016 at 18:40

4 votes

4 answers

979 views

Why do some above-ground HV lines have mid-span insulators?

asked Aug 4, 2021 at 19:16

3 votes

2 answers

957 views

Are "bootleg grounds" really more dangerous than other single-point wiring failures?

asked Jul 27, 2018 at 20:17

3 votes

2 answers

17k views

AC constant-current source design

asked Feb 23, 2016 at 19:38

3 votes

3 answers

1k views

Could sawtooth waveform be optimal for transformer input?

asked Mar 5, 2016 at 19:23

3 votes

1 answer

159 views

Sprinkle switching circuits liberally with small capacitors?

asked May 14, 2016 at 20:59

3 votes

2 answers

2k views

How to control over-voltage at high voltage?

asked May 16, 2016 at 15:40

3 votes

3 answers

740 views

Why isn't Ohm's law working for this simple circuit?

asked Mar 25, 2016 at 19:48

2 votes

5 answers

15k views

Significantly reducing speed of single-phase AC motor

asked Feb 7, 2016 at 0:35

2 votes

2 answers

438 views

Can a household device limit consumption to avoid tripping circuit breaker?

asked Jul 1, 2015 at 17:40

2 votes

1 answer

2k views

Correct way to do "power injection" from multiple DC supplies?

asked Oct 20, 2018 at 17:48

1 vote

3 answers

587 views

What happens to a computer as it is cooled towards absolute zero?

asked Sep 8, 2019 at 19:36

1 vote

1 answer

667 views

Prototyping for Bluetooth accelerometer

asked Mar 30, 2014 at 16:08

1 vote

2 answers

8k views

Is my K-type thermocouple defective, or am I using it wrong?

asked Feb 23, 2016 at 2:33

1 vote

2 answers

524 views

Can we proof a scavenged transformer of unknown specification?

asked Feb 23, 2016 at 16:43

1 vote

1 answer

534 views

Are voltage transients on LTspice simulations significant?

asked Mar 11, 2016 at 19:05

1 vote

2 answers

216 views

Is there a theoretical limit to power supply transformation efficiency?

asked Feb 28, 2016 at 3:42

1 vote

3 answers

20k views

How can I protect my MOSFET?

asked May 10, 2016 at 17:40

1 vote

1 answer

305 views

One flux for all electric soldering?

asked Mar 23, 2016 at 18:03

1 vote

0 answers

125 views

Constant power supply with high-voltage "restrike"

asked May 21, 2016 at 18:15

Stack Exchange Network

45 Questions

Differences between TVS diode and Zener diodes, in diagrams and in practice?

Measure voltage with no current

What makes a LED a laser diode?

Why (not) put a resistor on FET gate?

What is a flyback?

Measure high voltages with a multimeter

Are silicon microbolometers inherently more expensive than conventional CMOS light sensors?

Why and when do SSRs heat?

When to "wind-your-own" vs "scavenge" a transformer?

If the voltage doesn't kill you, does the current capability matter?

How can I determine voltage and current limit of protoboard?

Why do some above-ground HV lines have mid-span insulators?

Are "bootleg grounds" really more dangerous than other single-point wiring failures?

AC constant-current source design

Could sawtooth waveform be optimal for transformer input?

Sprinkle switching circuits liberally with small capacitors?

How to control over-voltage at high voltage?

Why isn't Ohm's law working for this simple circuit?

Significantly reducing speed of single-phase AC motor

Can a household device limit consumption to avoid tripping circuit breaker?

Correct way to do "power injection" from multiple DC supplies?

What happens to a computer as it is cooled towards absolute zero?

Prototyping for Bluetooth accelerometer

Is my K-type thermocouple defective, or am I using it wrong?

Can we proof a scavenged transformer of unknown specification?

Are voltage transients on LTspice simulations significant?

Is there a theoretical limit to power supply transformation efficiency?

How can I protect my MOSFET?

One flux for all electric soldering?

Constant power supply with high-voltage "restrike"