General Electronics

Lightning protection

Hi folks...this was in a baseball newsgroup that I participate in (rec.sport.baseball). Faraday cages have been mention...

1 comments posted 21yrs

posted by tom__macintyre

1 comments posted 21yrs posted by tom__macintyre

BC221

Hello I don't know if I'm on the correct forum but can anyone help me? I need to know what transistor I can substitute f...

4 comments posted 21yrs

posted by simon.keymer

4 comments posted 21yrs posted by simon.keymer

Buy at Futurlec?

Does someone have ordering something from http://www.futurlec.com/ . I have read on differents newsgroups that they hav...

1 comments posted 21yrs

posted by dan.lavoie

1 comments posted 21yrs posted by dan.lavoie

FS or Trade: Schroff Desktop Rack Cabinet

Trade or FS: Schroff Desktop Rack Cabinet 19 inch Desktop Rack Cabinet - (12 inch enclosure depth, 300mm usable depth)...

0 comments posted 21yrs

posted by Invalid

0 comments posted 21yrs posted by Invalid

Transformer Inductance Addition

Two questions. Can I just add an inductor in series to a transformer primary and secondary to increase the inductive re...

3 comments posted 21yrs

posted by cktmanny

3 comments posted 21yrs posted by cktmanny

Inverter low pass filter

If adding cheap low pass filter to a square wave power inverter can convert the square to sine wave. How come square wa...

6 comments posted 21yrs

posted by cktmanny

6 comments posted 21yrs posted by cktmanny

Cockroft-Walton question.

Why couldn't you have the output of a CW voltage doubler lead into the input of a another doubler? It seems to me that...

84 comments posted 21yrs

posted by rgregoryclark

84 comments posted 21yrs posted by rgregoryclark

Receiver interference margin (RIM)

Hi all, I will like someone to explain to me what does RIM meant and its physical meaning to a receiver. Many thanks. Re...

0 comments posted 21yrs

posted by ralph

0 comments posted 21yrs posted by ralph

new UK site for radioshack and components

www.dayga.co.uk now stocks radioshack products in the UK , amongst other produts which may be of interest to this group...

4 comments posted 21yrs

posted by jim

4 comments posted 21yrs posted by jim

System for switching circuits of high-wattage devices

Forgive me if I've posted this message in the wrong group. I'm not really sure where I should post this. I'm a mobile D...

6 comments posted 21yrs

posted by spit

6 comments posted 21yrs posted by spit

www.referralstop.com also www.congabox.com

www.referralstop.com also www.congabox.comwww.referralstop.com also www.congabox.comwww.referralstop.com also www.conga...

0 comments posted 21yrs

posted by itschop

0 comments posted 21yrs posted by itschop

ethernet networking problem

good day!!! when i test my newly installed lan, i have a problem setting up its connections.I thought i can view all th...

13 comments posted 21yrs

posted by cheian07

13 comments posted 21yrs posted by cheian07

Emma

Hi Emma, You've been asking a lot of slightly strange questions recently and I'm beginning to get a little suspicious t...

6 comments posted 21yrs

posted by colin.watters

6 comments posted 21yrs posted by colin.watters

Circuit Calculations Mismatched

I have a 12 volts 100 watts DC halogen lamp. From P=VI, I (current) = P/V = 100/12 = 8.33 Ampere I used a multi-meter t...

16 comments posted 21yrs

posted by cktmanny

16 comments posted 21yrs posted by cktmanny

Re: Rectenna-OOPS! - lastscan.PNG (0/2)

> > Sorry, forgot the PNG file. Here it is in all its hugeness. Please don't post binaries to these text-only newsgroups...

0 comments posted 21yrs

posted by Winfield_member

0 comments posted 21yrs posted by Winfield_member