Electronics Forum / Electronics / September 2004

I need to know how to set the pins on a Divide-By-N counter either High or
Low on a PCB.  Also is "1" and "0" the same as high and low?
Can anyone help me?

I have a Nec 4200w Plasma screen with poor picture looks like its just doing
thousands of colours and not millions depending on picture content
be very gratful for any help or if You would lik to buy
Its 42inches 106CM

Does anyone know whether a PCI card exists that will act as an audio
active crossover network? Ie  it should accept a digital input from a
PC soundcard then be capable of splitting it digitally into a number
of frequency bands (at least 3), with user definable cut off

Electronic electricity repository is an energy concept that aims to accumulate
and store electrical energy from any source.  The storage would be intended to
accommodate such things as electric vehicles, home heating, etc.  The best
example is the EV - an electric car that would run ...

I have a special programmer used for security systems. The problem with it
is that it based on 1980's RAM technology. Does anyone know if it is
possible to modify the unit to accept modern memory sticks?
The base unit only holds 512K, which I believe is a memory chip. The

I'm trying to refind a site on the internet where you could download free
manuals for various equipment.
Specifically I'm after a Hitachi V550B CRO User/Service Manual
Anyone know of such a site?

Hello, for a project I am building a room monitor: you call the line and the
relay picks it up upon getting the 90vac, and stays on. My question; how
would I go about getting it to detect a hangup? Is there a votlage
fluxuation when the party hangs up? A tone? A polarity reverse? It ...

any condition will do.
ddjazz at hotmail dot com

I don't know if this is the right forum, but here goes:  Would it not be
possible to connect the mp3 player phones output to you car stereo (assuming
one has an input jack), rather than using the funky, squeaky, jamming-up
tape player cartridge POS that's available now?

This is probably the wrong ng to put this in but i couldn't find a more
suited one.
I have a Wide Screen Philips TV Model No: 32PW6332/05 i was watching
something when the TV just stopped working and now when i turn it on i get

does anyone have circuit diagrams to make a cd selector for 16 disks

What resistor would I use to halve 6.5 volts dc ?

Hmm,
Still stuck here. I was able to get hold of a copy of the circuit diagrams
to suit this model, however, all of them showed the IC 805 being there, when
it is not present here.This seems weird that I cannot get a diagram that

I have a 35 watt (RMS) audio amplifier that has a 100v speaker line output.
How do I determine how many speakers with their 100volt/8 ohm  transformers
can be fitted to this amplifier?
Voice only, no music, for small room/auditorium as 'down' speakers from

Can somebody tell me why the lumped element model breaks down when
actual circuit impedances are very low, or when the length of the wire
approaches the wavelength of the circuit's operating frequency?