Electronics Forum / Components / August 2003

can someone tell me what is shunt feedback, and what is its uses?

All,
I'm the first time user of this news group. I'm not even sure if this is the
right group for me or not. But if any of you could be kindly enough to
answer a couple of my concerns.

Anyone know where I can find this IC? The ECG/NTE replacement is no
longer available. Please reply to newsgroup. TIA.

Test post - new server, new ISP, probably sucks as much as the other
one, so here it goes.  A repost.
I had some 9V alkalines that were only 7 or 8V, so I opened them up to
get the snap contacts.  I found that of the 6 AAAA cells inside, only

JM38510/10403BEB
It was made in '85, I believe by Fairchild.
It's in a burn-in fixture for a military LED display that I may need
to reproduce.  I may found an obsolete chip dealer that might have

About 20 years ago Radio Shack sold an 8-pin chip which produced white noise
and was very simple to use. I have no idea what the part number was. Are
there any similar products available today?
Thanks

[HELP!] Is it no Timer INTERRUPT on MicroChip PIC16C54?
I checked the spec., and can't find the INTCON register. Is it there are no
interrupt on MicroChip PIC16C54?
--

I am looking for NEC floppy disk controller
D72068 datasheet.
Pls advice me if anyone know where to get it
Thanks

I'm looking for a datasheet for the following display:
Hewlett-Packard part # QDSP-2125
It's an 8 character 5x7 dot matrix display. Any help is appreciated.
Tom

http://www.gift-directory.co.uk/Application/Products/Bush-radios/bush-
TR82-1GB.asp
Says it uses a PP9 battery.  Whazzat?
Also, at

I'm trying to find a 'LED' 'BarGraph' that does not use discrete leds/dots
(ex.: a stack of 100 leds, or an LCD). I saw these used on a few hi-end
mixers (recording studios). They look like glowing thermometers (as in the
mercury would glow bright green or red) and respond at about ...

Does anybody have any idea what this connector is called and who makes
it? Here's it looks like to me:
http://www.uoguelph.ca/~fosterb/images/connector.jpg
I've been searching digikey, however I haven't found anything.

I know this is a pretty basic question, but I can't remember for the life of
me what the answer is.
I've put a car stereo in an mdf box with a car battery, and I need to
recharge the thing. I was thinking I could plug it into my car cigar

I started as an electronic hobbyist but I've moved up the food chain and
do it for a living now. I work at a decent size company, designing
electronics for the professional entertainment industry. However,
because I don't want to turn around and do more of it when I get home I

I am trying to use the trackball from an old laptop and would ideally like
to connect to a PC using the standard PS/2 interface. However, the driver IC
is made by Logitech and I cannot find the pinout for this device. I realise
that it is made specifically for Logitech but I don't ...