User John Doty

12 votes

Single wire (no ground wire) long distance low frequency communication

answered Jan 11 at 15:04

11 votes

How does this old oscillating light board work?

oscillation

answered Apr 7 at 14:30

10 votes

How can a 9mm square antenna pick up GPS?

antenna gps

answered Sep 16, 2021 at 15:55

10 votes

On the possibility of steel nails as EMI filters

emi-filtering

answered Jan 8, 2020 at 2:41

10 votes

How is the Q and Q' determined the first time in JK flip flop?

digital-logic flipflop sequential-logic

answered Dec 1, 2020 at 17:08

9 votes

Accepted

How can a DC spark create EM waves?

electromagnetic wave

answered Aug 19, 2020 at 16:19

9 votes

Can you drive a P-MOSFET as a high side switch directly from a microcontroller?

microcontroller mosfet-driver pmos high-side p-channel

answered Nov 17, 2021 at 23:21

6 votes

Why do we need nonlinear electronics for computing?

computer-architecture linear photonics

answered Jun 19 at 17:41

4 votes

Is there such thing as an inline ideal diode?

diodes

answered Jun 16 at 19:47

4 votes

Triggering generic transistors with UV or green light?

transistors photodiode phototransistor

answered Apr 30 at 21:52

4 votes

What happens if you connect a galvanometer to an AC source?

ac galvanometer thought-experiment

answered Nov 17, 2021 at 12:50

4 votes

Hearing only noise and ticking sound with simple AM radio - The art of electronics

schematics radio am

answered Nov 21, 2020 at 16:15

4 votes

Working environment - Altitude

oscilloscope

answered Mar 6, 2020 at 18:40

3 votes

Why can a square wave (or digital signal) be transmitted directly through wired cable but not wireless?

digital-logic analog wireless wire square

answered Dec 31, 2020 at 23:00

3 votes

In a JFET, is the gate always connected to the bulk/substrate?

transistors mosfet semiconductors jfet

answered Aug 6, 2021 at 17:11

3 votes

Why are the measured and theoretical Q factor of an LC circuit very far off?

circuit-analysis rf

answered Sep 29, 2021 at 22:22

3 votes

Do crystal oscillators synchronize by themselves when coupled by supply voltage?

oscillator synchronization

answered Nov 2, 2021 at 22:12

3 votes

Find out value of pF capacitors

capacitor sensor decoupling-capacitor high-frequency sensing

answered Jun 25 at 16:43

2 votes

Coaxial 75ohm cable parallel to electrical mains 127V AC @ 60Hz

signal mains interference coaxial

answered Aug 1 at 19:18

2 votes

Can a pulsating signal in which the direction of the current may not reverse radiate from an antenna?

current ac antenna electromagnetism pulse

answered Mar 7 at 14:58

2 votes

Ethernet transformer

voltage transformer ethernet magnetics phy

answered Jun 22 at 0:05

2 votes

How can you turn perceived brightness (log scale) into a linear analog output using an LDR?

arduino analog voltage-divider ldr log

answered Apr 13 at 14:08

2 votes

How did people make oscillators before they had the triode?

vacuum-tube history

answered Jan 24 at 23:20

2 votes

Is it a good design practice/necessary to put some capacitors next to the power connector on a PCB?

power capacitor pcb-design

answered Nov 14, 2021 at 15:14

2 votes

Will the net current drawn by a microcontroller equal the current supplied by it

circuit-analysis theory network

answered Sep 27, 2021 at 11:47

2 votes

First time soldering - why won't solder full surround my joint?

soldering

answered Nov 21, 2021 at 15:05

2 votes

When did DC-DC buck converter modules become so popular?

buck hobbyist

answered Sep 8, 2020 at 17:46

2 votes

How can I make my PNP amplifier circuit to turn off faster?

arduino pnp

answered Jan 5, 2020 at 19:07

2 votes

Is is possible to create modular logic gates from transistors for teaching purposes?

logic-gates teaching

answered Jul 8, 2020 at 16:28

2 votes

Is SPI clock always active?

spi

answered Jul 8, 2020 at 17:24

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54 Answers

Single wire (no ground wire) long distance low frequency communication

How does this old oscillating light board work?

How can a 9mm square antenna pick up GPS?

On the possibility of steel nails as EMI filters

How is the Q and Q' determined the first time in JK flip flop?

How can a DC spark create EM waves?

Can you drive a P-MOSFET as a high side switch directly from a microcontroller?

Why do we need nonlinear electronics for computing?

Is there such thing as an inline ideal diode?

Triggering generic transistors with UV or green light?

What happens if you connect a galvanometer to an AC source?

Hearing only noise and ticking sound with simple AM radio - The art of electronics

Working environment - Altitude

Why can a square wave (or digital signal) be transmitted directly through wired cable but not wireless?

In a JFET, is the gate always connected to the bulk/substrate?

Why are the measured and theoretical Q factor of an LC circuit very far off?

Do crystal oscillators synchronize by themselves when coupled by supply voltage?

Find out value of pF capacitors

Coaxial 75ohm cable parallel to electrical mains 127V AC @ 60Hz

Can a pulsating signal in which the direction of the current may not reverse radiate from an antenna?

Ethernet transformer

How can you turn perceived brightness (log scale) into a linear analog output using an LDR?

How did people make oscillators before they had the triode?

Is it a good design practice/necessary to put some capacitors next to the power connector on a PCB?

Will the net current drawn by a microcontroller equal the current supplied by it

First time soldering - why won't solder full surround my joint?

When did DC-DC buck converter modules become so popular?

How can I make my PNP amplifier circuit to turn off faster?

Is is possible to create modular logic gates from transistors for teaching purposes?

Is SPI clock always active?