General Electronics

Measuring battery voltage while charging it

Hi all, I have a tricky problem on hand, but one that I am sure has been solved by several of you out there. I am build...

8 comments posted 20yrs

posted by sreenathbh

8 comments posted 20yrs posted by sreenathbh

Looking for the right 8051 to use on your next project ?

Computer Solutions has added a powerful self selection search capability to their Micro-Search web-based 8051 microcont...

1 comments posted 20yrs

posted by sales

1 comments posted 20yrs posted by sales

Standby current measurement

Good day to all, Does anyone know of any peculiarities concerning the measurement of the standby current of a DDR RAM?...

1 comments posted 20yrs

posted by rover8898

1 comments posted 20yrs posted by rover8898

Newbie has a ?

Would N-channel JFET's be especially susceptible to heat? I'm tring to build an MFJ-1020 to enhance my shortwave recept...

0 comments posted 20yrs

posted by db5151

0 comments posted 20yrs posted by db5151

Voltage Divider Resistor Picker

Hi, There are 480,000 different combinations of standard 1% resistor values. If you need 2.75 volts from a 5.00 volt re...

1 comments posted 20yrs

posted by RespondToGroupPlease

1 comments posted 20yrs posted by RespondToGroupPlease

ground neutral tester

I recently acquired an Instrutek GN-3 ground neutral tester. It appears to work, but I don't know what its operating pr...

3 comments posted 20yrs

posted by gink

3 comments posted 20yrs posted by gink

FA : MX-500DS Soldering/Desoldering and SMT Rework System

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7590982043&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1

2 comments posted 20yrs

posted by Gyruss1984

2 comments posted 20yrs posted by Gyruss1984

Blog: Electronic Product Dev

Hey All: You may be interested in a new blog covering electronic product development: http://jtsystem.blogware.com/ Chee...

0 comments posted 20yrs

posted by <tsonderskov

0 comments posted 20yrs posted by <tsonderskov

Separating tab-routed PCBs by hand?

We have 1000 assembled, panelized PCBs -- tab separated. We did not have the assembly house depanelize because we progr...

10 comments posted 20yrs

posted by wilk

10 comments posted 20yrs posted by wilk

Radio Intermediate Frequencies

I am looking for a schematic that I can build that will teach me about intermediate frequencies and radio reception. I...

25 comments posted 20yrs

posted by james.douglas

25 comments posted 20yrs posted by james.douglas

Resource database for technicians...

Some useful functions of pinout.net 1.Info for various types of connectors and cables - web search -( browse) or self-u...

0 comments posted 20yrs

posted by pirinole

0 comments posted 20yrs posted by pirinole

Pulse inverting etc

I'll try and keep this brief-ish. My car Sat Nav relies far too much on the ECU speed pulse. The speed pulse has been t...

14 comments posted 20yrs

posted by Periproct

14 comments posted 20yrs posted by Periproct

ask for help, I want to demodulte the audio intelligence from the 21.4M carrier

I want to select a PLL chip to demodulate the audio message from 21.4M carrier but can not find the appropriate one, ple...

1 comments posted 20yrs

posted by sggzgz

1 comments posted 20yrs posted by sggzgz

nicad and ordinary battery

I have opened an ordinary battery to get the carbon rod and the black powdery stuff around it stained my drawer. I had s...

2 comments posted 20yrs

posted by eswnl

2 comments posted 20yrs posted by eswnl

"Cool Touch" Soldering Tool

Cold Heat Soldering Iron $19.99 plus s&H http://rapidresponse.directtrack.com/z/23560/CD2024/&dp=321031****************...

3 comments posted 20yrs

posted by pan

3 comments posted 20yrs posted by pan