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basic capactior question

if I put a capacitor (say a 10 mF) in series with another one (10 mF) is that the same as having a 20mF capacitor?
3 comments posted 17yrs
posted by kenw232
3 comments posted 17yrs posted by kenw232

USB->serial->USB adapter needed

Hello, I am trying to send RS232 data from two notebooks that do not have serial ports. I know there are USB to serial...
3 comments posted 17yrs
posted by eljainc
3 comments posted 17yrs posted by eljainc

Anybody in Canada would have two CD4517 ?

Hello Anybody in Canada would have two CD4517, or two HEF4517, or two HCF4517 ? I would pay the parts and the stamps co...
15 comments posted 17yrs
posted by ba221
15 comments posted 17yrs posted by ba221

magnet question

If a strong magnet (neo whatever) was super cooled (using liquid nitrogen) would its magnetic field increase in strength...
1 comments posted 17yrs
posted by kenw232
1 comments posted 17yrs posted by kenw232

Keystroke transfer device...

Hi, Does any of you know about a USB device which can connect two computers (PC-A and PC-B) together. The device indeti...
3 comments posted 17yrs
posted by geir02
3 comments posted 17yrs posted by geir02

superconducting wire questions

If I have a normal copper wire and I run electricity through it a magnetic field is produced around the wire. 1) If the...
4 comments posted 17yrs
posted by kenw232
4 comments posted 17yrs posted by kenw232

Identifying an AKAI amplifier

Hi all. I need to identify an old AKAI power audio amplifier, bought in 1974 in Japan. It hasn't got any indication of...
4 comments posted 17yrs
posted by intiglietta
4 comments posted 17yrs posted by intiglietta

Re: Wired Phone with Reject Function?

>It seems an obvious thing, but I'm unsuccessful in finding one. >Has anyone seen a conventional wired telephone >with...
4 comments posted 17yrs
posted by jeffm_
4 comments posted 17yrs posted by jeffm_

Wired Phone with Reject Function?

It seems an obvious thing, but I'm unsuccessful in finding one. Has anyone seen a conventional wired telephone with a p...
0 comments posted 17yrs
posted by blank
0 comments posted 17yrs posted by blank

Recommendations for assembling a Kit

I am putting together a 3 Stage FM Transmitter and am looking for some advice. I use a 30W pencil soldering tool but I...
5 comments posted 17yrs
posted by WhiteTea77581
5 comments posted 17yrs posted by WhiteTea77581

The help on working out JMCAD is necessary

The help on working out JMCAD is necessary JMCAD is an program for the modeling and simulation of complex dynamic syste...
0 comments posted 17yrs
posted by YuriyMikhaylovskiy
0 comments posted 17yrs posted by YuriyMikhaylovskiy

unfamiliar symbol

I had a couple of things I wanted to figure out about the SG3525 and got to looking at the schematics for the oscillato...
5 comments posted 17yrs
posted by nospam
5 comments posted 17yrs posted by nospam

Swann/Safe-Core DVR remote control code?

I recently bought a Safe-Core DVR400M, which I believe is a rebadged Swann product. There's an option for remote contro...
0 comments posted 17yrs
posted by usenetthrowaway
0 comments posted 17yrs posted by usenetthrowaway