General Electronics

"Doomsday" solar flare heads for Earth?

http://tinyurl.com/ss4g Well not quite, but one as bad as the 1859 flare could cause widespread loss of power, system fa...

23 comments posted 22yrs

posted by testing_h

23 comments posted 22yrs posted by testing_h

Wideband Transmitter Design

With the proliferation of wireless technologies and the soon to be implemented RFID technology I was prompted to think...

12 comments posted 22yrs

posted by vector_vortex

12 comments posted 22yrs posted by vector_vortex

RadioFrequency Identification RFID

mailto: snipped-for-privacy@ava.com.mx Hello, I´m looking for information about Radiofrequency identification systems,...

7 comments posted 22yrs

posted by ricardogarcia

7 comments posted 22yrs posted by ricardogarcia

eagle layout editor

have anybody have the license.key for light version and password for it??? can you send it to me???

4 comments posted 22yrs

posted by sascica

4 comments posted 22yrs posted by sascica

amonnia

Hi all, If someone knows a better NG then please let me know....... I'm looking to know if you can buy "amonnia-d" in a...

5 comments posted 22yrs

posted by exxos

5 comments posted 22yrs posted by exxos

Using Winbond ISD1100

Hi all, I've a question for anyone out there that has done designs with the Winbond chips. I wish to use a ISD11X0 in a...

0 comments posted 22yrs

posted by dlc

0 comments posted 22yrs posted by dlc

Simple circuit to hold relay on after input falls

I am sure this is a simple circuit but it been a while since Ive been building circuits. I have a circuit that is contr...

13 comments posted 22yrs

posted by John

13 comments posted 22yrs posted by John

help on IGBT

Currently I am working on a welding system and I need to use IGBT to repeatedly cut off the welding current. During the...

2 comments posted 22yrs

posted by wlu1

2 comments posted 22yrs posted by wlu1

Battery Charger Project

I just posted another battery charger with minimum parts count. Both current and voltage regulated, but it is a Non-Iso...

10 comments posted 22yrs

posted by chemelec

10 comments posted 22yrs posted by chemelec

Random flashing LED circuit?

Hello - I am looking for a simple circuit to flash a couple of blue LED's randomly to create a lightning effect. Any tip...

6 comments posted 22yrs

posted by Want

6 comments posted 22yrs posted by Want

A dozen cheap junk-box parts... Assembled, they go for $500.00

This is mainly a rant, but it's completely true. Square Wave Generator (Adjustable pitch approx. 50-400Hz) Skill level...

24 comments posted 22yrs

posted by reanimator

24 comments posted 22yrs posted by reanimator

6J6

Where can I obtain spec sheets for the 6J6 triode tube which include characteristic curves? The RCA Receiving Tube Manu...

5 comments posted 22yrs

posted by ara

5 comments posted 22yrs posted by ara

flasher/ how does it work?

I am looking for a flasher to make a light bulb blink. The 6 volt bulb is connected with a 6 volt transformer. I bought...

2 comments posted 22yrs

posted by bluemonkeybird

2 comments posted 22yrs posted by bluemonkeybird

Re: Please Don't Send Spam to These Addresses

> > > >What happened Jim? You just get your tax bill and are teed off at all your > >state legislature? > >Hell hath no...

6 comments posted 22yrs

posted by JHB

6 comments posted 22yrs posted by JHB

Lie Detector Ambiguous

I've seen this simple circuit a few places, I'm not sure who the originator was. Probably been plagiarized by other web...

14 comments posted 22yrs

posted by alondra101

14 comments posted 22yrs posted by alondra101