Hobby Electronics Basics

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posting test

Just a post test
1 comments posted 16yrs
posted by No
1 comments posted 16yrs posted by No

Stamp tachometer problems

--There's a site up with an excellent description of how to build a tach with a Basic Stamp, at: http://www.floridaame....
5 comments posted 16yrs
posted by steamer
5 comments posted 16yrs posted by steamer

Winding Toroids Phasing

I'm constructing a multiple output flyback transformer using a Toroid. My input voltage is 12V to 20V output is 5, 12 a...
5 comments posted 16yrs
posted by spam
5 comments posted 16yrs posted by spam

Biasing bipolar transistors

How can one tell if one has the optimum setup for biasing a bipolar transistor, while it's still all on paper? There mu...
15 comments posted 16yrs
posted by db5151
15 comments posted 16yrs posted by db5151

Programmable clock divide-by-N

For some reason I'm having troubles finding a programmable clock divider chip. I have a 20MHz reference clock that I ne...
7 comments posted 16yrs
posted by somewhere
7 comments posted 16yrs posted by somewhere

Power supply unit and ramping

Hello all! First off, I would like to apologize if I'm in the wrong group. This is my first time doing anything with el...
3 comments posted 16yrs
posted by tadej.slamic
3 comments posted 16yrs posted by tadej.slamic

Check frequency

Hi all I have a requirement to exactly adjust the frequency of a microcontroller system (8051) that works with the 3276...
34 comments posted 16yrs
posted by clueless
34 comments posted 16yrs posted by clueless

What's the output voltage of full wave rect?

A full-wave rectified 32vac voltage without filtering or smoothing components. Just a bridge rectifier connected across...
7 comments posted 16yrs
posted by invalid
7 comments posted 16yrs posted by invalid

Thevenin's Theorem

Thevenin's Theorem states that it is possible to simplify any linear circuit, no matter how complex, to an equivalent c...
0 comments posted 16yrs
posted by addy.ind
0 comments posted 16yrs posted by addy.ind

Superposition theorem

Superposition theorem is one of those strokes of genius that takes a complex subject and simplifies it in a way that ma...
0 comments posted 16yrs
posted by addy.ind
0 comments posted 16yrs posted by addy.ind

Voltage Regulator 041M03

Can't find any info on this device. I need to know what the output voltage should be. I'm assuming 3 volts, but would l...
1 comments posted 16yrs
posted by huskita92
1 comments posted 16yrs posted by huskita92

DC current through a domestic supply meter

These questions came up through some discussion on another technically/ scientifically unrelated news group ..............
4 comments posted 16yrs
posted by tsanford
4 comments posted 16yrs posted by tsanford

Free electrontube catalogue for Windows and Linux

1.0pre3 version of 'Tubes' electrontube catalogue is available to download. Licence: GNU GPL 3.0. Programme and databas...
2 comments posted 16yrs
posted by pozsarzs
2 comments posted 16yrs posted by pozsarzs

Power supply problem (?)

Hello all, I was hoping someone might be able to help with a problem I've been having with a TV lift I built. I have an...
10 comments posted 16yrs
posted by matthew.n.johnson
10 comments posted 16yrs posted by matthew.n.johnson