User Sam - Electrical Engineering Stack Exchange

14 votes

How can I make a regular laser diode pulse in the nanosecond range?

answered Jun 28, 2025 at 1:26

13 votes

DC/AC coupling in an oscilloscope

answered Apr 26, 2016 at 11:31

11 votes

What's difference among impedance analyzer, spectrum analyzer and vector network analyzer?

answered Jun 22, 2016 at 5:18

9 votes

Accepted

Why are contacts missing on some of these M.2 modules?

answered Sep 24, 2016 at 21:44

9 votes

Why do 1 pF capacitors exist?

answered Dec 9, 2016 at 23:34

9 votes

Accepted

does the battery determines the amount of current flowing in the circuit?

answered Jan 28, 2018 at 19:50

8 votes

Dual mosfet 8205A - lithium battery protection circuit

answered Feb 24, 2017 at 23:53

7 votes

Do components packaged in QFP with fewer than 32 leads exist?

answered Dec 11, 2025 at 21:22

7 votes

Using back to back zener diodes to clip voltage spikes in bipolar stepper motor

answered Jun 19, 2016 at 23:59

7 votes

USB, UART, SPI difference and usage?

answered Jun 21, 2016 at 1:56

6 votes

Accepted

Difference between current and power

answered May 14, 2016 at 23:31

6 votes

Optocoupler high side vs low side switch

answered Nov 13, 2016 at 2:32

5 votes

physical 0 and 1 signals in communication and storage systems

answered Dec 4, 2016 at 22:44

5 votes

Why it was not possible to use 256-QAM in the past

answered Jan 27, 2017 at 0:45

5 votes

Amplifying a nV signal across a small resistance

answered Mar 25, 2017 at 21:29

5 votes

What is this 9-in-line latching connector?

answered Apr 26, 2024 at 0:38

5 votes

Inverting a high speed RF signal (5 GHz)

answered Jun 27, 2025 at 2:16

4 votes

Accepted

What is the difference between SNR of a wideband system and the SNR for a narrowband system

answered Jun 9, 2018 at 0:43

4 votes

Accepted

What does it mean that NiMH batteries do not have a "float voltage"?

answered Jan 5, 2017 at 22:28

4 votes

Accepted

AC voltage detection

answered Jan 15, 2017 at 22:40

4 votes

Altium warning: Adding items to hidden net +3.3V

answered Apr 26, 2016 at 7:19

4 votes

Why do over-currents destroy IC's?

answered May 4, 2016 at 0:30

3 votes

Driving LEDs: Brightness, efficiency and heat generation

answered May 1, 2016 at 0:07

3 votes

Accepted

Significance of Linearity in RF Power Amplifiers

answered May 2, 2016 at 2:18

3 votes

Why a low-pass filter applied to a square wave gives a weird wave?

answered May 6, 2016 at 8:11

3 votes

Enable grid-tied solar array power output during grid outage

answered May 7, 2016 at 23:35

3 votes

Is it safe to drive P-channel MOSFET gate directly from an MCU pin and 12V pull-up?

answered Apr 26, 2016 at 7:05

3 votes

Why is one return conductor for each forward conductor in a ribbon cable better than a shared return conductor?

answered Apr 26, 2016 at 9:50

3 votes

Accepted

Make an analog pulse generator

answered May 8, 2016 at 22:55

3 votes

Extremely high current power source(s)?

answered May 9, 2016 at 8:25

Stack Exchange Network

166 Answers

How can I make a regular laser diode pulse in the nanosecond range?

DC/AC coupling in an oscilloscope

What's difference among impedance analyzer, spectrum analyzer and vector network analyzer?

Why are contacts missing on some of these M.2 modules?

Why do 1 pF capacitors exist?

does the battery determines the amount of current flowing in the circuit?

Dual mosfet 8205A - lithium battery protection circuit

Do components packaged in QFP with fewer than 32 leads exist?

Using back to back zener diodes to clip voltage spikes in bipolar stepper motor

USB, UART, SPI difference and usage?

Difference between current and power

Optocoupler high side vs low side switch

physical 0 and 1 signals in communication and storage systems

Why it was not possible to use 256-QAM in the past

Amplifying a nV signal across a small resistance

What is this 9-in-line latching connector?

Inverting a high speed RF signal (5 GHz)

What is the difference between SNR of a wideband system and the SNR for a narrowband system

What does it mean that NiMH batteries do not have a "float voltage"?

AC voltage detection

Altium warning: Adding items to hidden net +3.3V

Why do over-currents destroy IC's?

Driving LEDs: Brightness, efficiency and heat generation

Significance of Linearity in RF Power Amplifiers

Why a low-pass filter applied to a square wave gives a weird wave?

Enable grid-tied solar array power output during grid outage

Is it safe to drive P-channel MOSFET gate directly from an MCU pin and 12V pull-up?

Why is one return conductor for each forward conductor in a ribbon cable better than a shared return conductor?

Make an analog pulse generator

Extremely high current power source(s)?