Hobby Electronics Basics

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Cockcroft-Walton

I recall seeing a variation on a Cockcroft-Walton voltage multiplier that used a pair of 74HC04's driving it two-phase,...
5 comments posted 14yrs
posted by To-Email-Use-The-Envelope-Icon
5 comments posted 14yrs posted by To-Email-Use-The-Envelope-Icon

How to convert frequencies

Hello, I'm a complete electronics novice but would like to get involved at a basic level. As a project I'd like to rece...
17 comments posted 14yrs
posted by gordon.is.a.moron
17 comments posted 14yrs posted by gordon.is.a.moron

Low Price for Schneider soft start device?

I'm looking for a low price on a Schneider soft start device. Model ATS01N112FT. Grainger sells it for $230.. Maybe som...
0 comments posted 14yrs
posted by wolftracks
0 comments posted 14yrs posted by wolftracks

Mnaughty Mnemonics :)

Have you ever wondered how to remember the metric prefixes such as = femto,=20 atto, exa, peta, etc? Or the digits of t...
0 comments posted 14yrs
posted by paul
0 comments posted 14yrs posted by paul

more on guitar distortion fx

The post about Jim Marshall generated an interesting discussion on tube vs solid state sound with respect to guitar amp...
0 comments posted 14yrs
posted by asdf
0 comments posted 14yrs posted by asdf

Why Is 47 So Popular In Electronics?

Or 0.00047? A good selection of caps, resistors, etc all seem to include the size 47. Bret Cahill
10 comments posted 14yrs
posted by BretCahill
10 comments posted 14yrs posted by BretCahill

Vgs nmos turn on voltage

let's say I have this nmos http://www.fairchildsemi.com/ds/FQ/FQD10N20C.pdf it says the Vgs,th is between 2V-4V I belie...
5 comments posted 14yrs
posted by panfilero
5 comments posted 14yrs posted by panfilero

pmos switch question

I'd like to control a switch using a microcontroller, I was thinking I'd feed the output of the microcontroller into an...
2 comments posted 14yrs
posted by panfilero
2 comments posted 14yrs posted by panfilero

4013 answer

Thanks to all those who offerred suggestions. I appear to have had a very dirty clock signal. I've seem to have solved...
2 comments posted 14yrs
posted by jckipper
2 comments posted 14yrs posted by jckipper

4013 question

I want the D type latch (using CMOS 4013) to remember a momentary signal and output high. When the momentary signal arr...
10 comments posted 14yrs
posted by jckipper
10 comments posted 14yrs posted by jckipper

NiMH charger recommendations?

First of all, this is a request for a *recommendation*, not a request for someone to do Google searches for me. - - - I...
20 comments posted 14yrs
posted by invalid
20 comments posted 14yrs posted by invalid

Filtering a PWM signal

I've been watching some of Dave Jones videos (EEVblog). In #225 he discusses using a PWM signal to control the voltage...
4 comments posted 14yrs
posted by bobengelhardt
4 comments posted 14yrs posted by bobengelhardt

Window comparator bypass cap values?

Are bypass caps needed on the reference inputs to a window comparator? If so, what values are recommended? Typical exam...
4 comments posted 14yrs
posted by bperryb
4 comments posted 14yrs posted by bperryb

Reactance

If I connect a 270 nf capacitor in series with an LED and the 230v mains what happens?
1 comments posted 14yrs
posted by dewhurst.roger
1 comments posted 14yrs posted by dewhurst.roger