User Andy aka

65 votes

8 answers

22k views

Reasons not to use a 741 op-amp?

asked May 10, 2017 at 9:52

35 votes

2 answers

13k views

Problems with L293, L298 and SN754410 H-bridge drivers on a low voltage supply

h-bridge l298 l293d

asked Apr 30, 2014 at 21:34

28 votes

5 answers

63k views

MOSFET symbol - what is the correct symbol

mosfet

asked May 14, 2013 at 20:55

17 votes

7 answers

2k views

What precisely is the numerical (or any) meaning of mutual inductance and, is it useful, representative (of something) or important?

transformer inductor coupling mutual-inductance

asked Sep 8, 2021 at 9:18

15 votes

2 answers

2k views

Terminating shielded/screened twisted pair correctly

cables high-speed characteristic-impedance twisted-pair

asked Nov 11, 2013 at 22:26

12 votes

3 answers

1k views

Do all inductors produce 1 weber after one second when 1 volt DC is applied?

voltage inductor inductance magnetic-flux

asked Jan 11, 2017 at 12:17

10 votes

1 answer

828 views

What to check for when buying an electronic component or module

components datasheet reliability module quality

asked Jun 6, 2020 at 11:39

10 votes

1 answer

2k views

Do AC inverter H bridges ever get driven this way?

mosfet switch-mode-power-supply h-bridge

asked Sep 20, 2014 at 16:32

9 votes

5 answers

6k views

Self capacitance of an isolated object

capacitor capacitance charge distance

asked Oct 29, 2015 at 8:41

6 votes

2 answers

1k views

How good is coaxial cable?

rf communication cables emissions coax

asked May 16, 2013 at 12:41

5 votes

3 answers

550 views

Has anyone transmitted data across a badly coupled transformer and recovered the data correctly

digital-logic data high-speed

asked Mar 15, 2013 at 23:48

5 votes

3 answers

1k views

FM Quadrature detector - is it the best choice

rf communication fm demodulation

asked Mar 19, 2013 at 20:33

5 votes

3 answers

2k views

How much open circuit voltage can a C.T. generate if burden is removed

current safety current-transformer

asked Mar 13, 2016 at 16:41

5 votes

2 answers

278 views

660 Mbits per second photo-diode amplifier on 3.3V rail

amplifier communication photodiode high-speed

asked May 28, 2014 at 21:48

5 votes

3 answers

264 views

Diode reverse recovery time and the speed (snap back) in which recovery takes place

diodes pulse transient reverse-recovery

asked Jun 12 at 20:15

4 votes

2 answers

248 views

Ideally, what sort of characteristics should a transistor have for a regular linear amplifier?

audio bjt linear device-characteristics

asked Feb 10, 2018 at 14:58

4 votes

3 answers

2k views

Source-free, under-damped, parallel RLC with 2 intial conditions

voltage current passive-networks

asked May 8, 2018 at 9:44

4 votes

2 answers

1k views

Virtual earth (ground) or "mid-rail generator"

power-supply operational-amplifier virtual-ground

asked Jan 13, 2016 at 11:44

3 votes

2 answers

271 views

Is a conductor like a capacitor

capacitor conductors

asked Aug 11, 2013 at 21:22

3 votes

2 answers

563 views

Dual port, serial interface, buffered, shift register

serial adc data

asked Dec 13, 2013 at 0:08

2 votes

0 answers

150 views

Precision Tracking filter required

signal filter measurement processing

asked May 23, 2013 at 13:33

1 vote

1 answer

530 views

Bit error rate calculations for a photodiode receiver driven from a laser

communication data photodiode

asked Jun 25, 2013 at 8:41

1 vote

1 answer

774 views

Can a digital pot and op-amp challenge the performance of a programmable gain amplifier

operational-amplifier digital-potentiometer

asked Mar 11, 2014 at 14:58

-2 votes

2 answers

243 views

Measuring band-limited noise coming from an amplifier

filter noise measurement bandwidth noisefloor

asked Sep 25, 2014 at 14:14

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24 Questions

Reasons not to use a 741 op-amp?

Problems with L293, L298 and SN754410 H-bridge drivers on a low voltage supply

MOSFET symbol - what is the correct symbol

What precisely is the numerical (or any) meaning of mutual inductance and, is it useful, representative (of something) or important?

Terminating shielded/screened twisted pair correctly

Do all inductors produce 1 weber after one second when 1 volt DC is applied?

What to check for when buying an electronic component or module

Do AC inverter H bridges ever get driven this way?

Self capacitance of an isolated object

How good is coaxial cable?

Has anyone transmitted data across a badly coupled transformer and recovered the data correctly

FM Quadrature detector - is it the best choice

How much open circuit voltage can a C.T. generate if burden is removed

660 Mbits per second photo-diode amplifier on 3.3V rail

Diode reverse recovery time and the speed (snap back) in which recovery takes place

Ideally, what sort of characteristics should a transistor have for a regular linear amplifier?

Source-free, under-damped, parallel RLC with 2 intial conditions

Virtual earth (ground) or "mid-rail generator"

Is a conductor like a capacitor

Dual port, serial interface, buffered, shift register

Precision Tracking filter required

Bit error rate calculations for a photodiode receiver driven from a laser

Can a digital pot and op-amp challenge the performance of a programmable gain amplifier

Measuring band-limited noise coming from an amplifier