User Math Keeps Me Busy

15 votes

5 answers

3k views

Cable shielding adequate for video, but not audio frequencies

asked May 25, 2021 at 2:03

10 votes

5 answers

3k views

Placement of fuse on neutral wire. Why?

mains safety fuses

asked Jan 15, 2021 at 4:13

8 votes

1 answer

173 views

How is the asymmetry of a Schottky diode obtained?

semiconductors manufacturing schottky semiconductor-process-technology

asked Feb 20, 2021 at 16:19

8 votes

4 answers

609 views

Transmission Line Transient Response To Step Voltage Prior To Any Reflections

impedance transmission-line transient frequency-response characteristic-impedance

asked Jun 24, 2021 at 19:59

4 votes

3 answers

893 views

Why does does the power supply in my op-amp circuit need to be connected to ground?

operational-amplifier circuit-analysis circuit-design grounding

asked May 29 at 14:10

3 votes

1 answer

158 views

Spectrum of Mains Power Line Noise -- Peculiar Frequencies

noise mains noise-spectral-density

asked Oct 20, 2021 at 21:47

3 votes

1 answer

64 views

CircuitLab DC parameter sweep problem circuit

simulation debugging circuitlab

asked Sep 29, 2021 at 21:09

2 votes

1 answer

300 views

capacitance at inverting op-amp input of unity gain inverting amplifier

operational-amplifier frequency-response parasitic-capacitance

asked May 30, 2021 at 19:16

2 votes

1 answer

115 views

Regenerative Load Circuit

power-supply power switch-mode-power-supply

asked Mar 26, 2021 at 3:39

2 votes

1 answer

74 views

Can I rely on a the simulation of an op-amp based differential amplifier without looking at my op-amps common mode signal

operational-amplifier simulation common-mode tools

asked Dec 13, 2020 at 19:08

2 votes

2 answers

134 views

Coaxial Cable vs Shunt, path of least impedance

electromagnetism impedance transmission-line

asked Dec 11, 2021 at 3:41

1 vote

3 answers

232 views

Coaxial Cable with signal applied to shield and center conductor grounded

electromagnetism inductance coax mutual-inductance

asked Dec 13, 2021 at 2:30

1 vote

2 answers

283 views

6 dB in-line 50 ohm attenuator

attenuator pad attenuation

asked Oct 13, 2021 at 16:06

0 votes

1 answer

230 views

Is there a commonly used name for a "local ground" or "local common"?

ground terminology instrumentation teaching

asked Dec 18, 2020 at 16:49

0 votes

2 answers

84 views

Can there exist an arrangement of charge densities that creates a loop in the electric field lines of force?

electric-field superconductors

asked Dec 18, 2021 at 18:53

0 votes

0 answers

44 views

Does this method of determining what a voltmeter will read in the presence of a time-varying magnetic field give the correct answer?

voltage-measurement

asked Dec 19, 2021 at 18:15

0 votes

2 answers

72 views

Toroidal core winding limitations

power transformer mains apparent-power toroidal

asked Mar 23 at 15:44

0 votes

2 answers

76 views

What is the cause of this drastically different simulation behavior with slight variation in capacitor values?

stability tools development-tools positive-feedback

asked Dec 11, 2020 at 23:27

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18 Questions

Cable shielding adequate for video, but not audio frequencies

Placement of fuse on neutral wire. Why?

How is the asymmetry of a Schottky diode obtained?

Transmission Line Transient Response To Step Voltage Prior To Any Reflections

Why does does the power supply in my op-amp circuit need to be connected to ground?

Spectrum of Mains Power Line Noise -- Peculiar Frequencies

CircuitLab DC parameter sweep problem circuit

capacitance at inverting op-amp input of unity gain inverting amplifier

Regenerative Load Circuit

Can I rely on a the simulation of an op-amp based differential amplifier without looking at my op-amps common mode signal

Coaxial Cable vs Shunt, path of least impedance

Coaxial Cable with signal applied to shield and center conductor grounded

6 dB in-line 50 ohm attenuator

Is there a commonly used name for a "local ground" or "local common"?

Can there exist an arrangement of charge densities that creates a loop in the electric field lines of force?

Does this method of determining what a voltmeter will read in the presence of a time-varying magnetic field give the correct answer?

Toroidal core winding limitations

What is the cause of this drastically different simulation behavior with slight variation in capacitor values?