Electronics Forum / Electronics / August 2008

Once upon a time someone posted that they had found something that really
brought out the numbers etc on otherwise difficult to read ICs.
Unfortunately I didn't save the post, or the info in it.  Anybody have any
ideas on what this might have been, or how to read those invisible

** See  ABSE  for pic of some ceramic caps.
Marked as " 470 " &   " M750 "    =   470pF and 750ppm.
Reddish orange in colour, dimensions = 10mm x 10mm x 2mm.
Probably sourced from an Australian supplier a few years back.

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Thomas Gugger
Independent Recruiter
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419-537-9447

Hi guys and gals (pfft!)
I've been looking around to source some of these in DIP32 form, or
similar/equivalent/pin compatible chips. Maximum access time of 90ns, faster
is fine and preferred.

new today:
goto google maps:
http://maps.google.com/
type in your house address

I've had a failure in a circuit operating a 12/240V refrigerator. The
compressor works at 24VAC. The fault is in the 12VDC step up to 24VAC
circuit.  I have procured the obviously failed components, but understand a
couple of diodes may be critical and would be worth replacing.  ...

I'm looking for information on "tags" that can be used for positioning of
goods using the global GPS system. The functionality should be something
like RFID-tags.
The tag should be an active tag, emitting its current position on regular

Howdy Folks,
I have a problem.  I have a country property and where the house is
sited I can't get reception.  I have had Austar for about 8 years now
but I'm sick of it.  I seem to be paying good money to watch ads.

Hi, I need to generate 5V, +/- 0.25V at about 10mA from a DC supply that can
range between 4.5 and 6.5 volts. Is anyone aware of a circuit for this,
switchmode preferred for efficiency reasons. TIA

I found a Great site to download Free Ebooks related to electronics.
Books are kept catagory vise and are ready to download (no link).
Site is
http://edudirectory.50webs.com/ebooks.htm

Just wondering if any one else has had this happening, or maybe a suggestion on
how to approach this problem:
I started using the component input on my Pavo 32" LCD TV.
Depending on the change in picture brightness the unit seems to lose sync and

I have not been following this closely, but a major supplier in
Melbourne today sent us this.
"By Dec 08 we must be selling only MEPS compliant plug packs."

Looking for ideas here... I'd like test a PA amplifier rated at 300
watts into 4 ohms.
Any ideas as what I could use for an dummy load - apart from some
actual speakers (drivers) that is!  I'd also like the load to be as

Hi to all,
common glass tube fuses like 3AG and 20x5mm types are made with a variety of
wires inside  -  mostly it is tin plated copper for fast acting " F " types
and either pure tin or thickly plated tin over copper for the slow or "T"