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John Doty
  • Member for 2 years, 8 months
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12 votes

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

11 votes

How does this old oscillating light board work?

10 votes

How can a 9mm square antenna pick up GPS?

10 votes

On the possibility of steel nails as EMI filters

10 votes

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

9 votes
Accepted

How can a DC spark create EM waves?

9 votes

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

6 votes

Why do we need nonlinear electronics for computing?

4 votes

Is there such thing as an inline ideal diode?

4 votes

Triggering generic transistors with UV or green light?

4 votes

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

4 votes

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

4 votes

Working environment - Altitude

3 votes

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

3 votes

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

3 votes

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

3 votes

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

3 votes

Find out value of pF capacitors

2 votes

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

2 votes

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

2 votes

Ethernet transformer

2 votes

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

2 votes

How did people make oscillators before they had the triode?

2 votes

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

2 votes

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

2 votes

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

2 votes

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

2 votes

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

2 votes

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

2 votes

Is SPI clock always active?