Electronics Forum / Design / September 2006

I am looking for a microcontroller solution to the following
application:
A process signal in the range 0-10VDC is input to the controller. The
controller compares the input signal against a high setpoint and a low

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I have need of a single chip that let me to measure time (hours and
minutes in 24hh format), temperature (in °C) and alternatively
display it, to a 4-LED display.
Which IC do you suggest to use?

I just received the National Semiconductor monthly newsletter
where they announce their new high-performance audio Op-Amp.
The LM4562 boasts with impressive claims on various performance
parameters. (0.00003% distortion and 2.7nV/sqHz noise).

Now we have news of the recent, supposedly real-world, terrorist plot to destroy
commercial airplanes by smuggling onboard the benign precursors to a deadly
explosive, and mixing up a batch of liquid death in the lavatories. So, The
Register has got to ask, were these guys for real, ...

If a system contains a PCI-PCI bridge with an arbitrary PCI device
(call it Device X) on the furthest PCI bus (the bus most remote from
the Host Processor) how is the Configuration space of Device X
'discovered' by the OS on startup?

I need to design a Li-Ion battery charger.
Many of the Li-Ion battery charge controllers have an option of
choosing 4.1V or 4.2V charging voltage (times numer of cells, if
needed).

Hey guys,
this is a rather academic question because a few tens of microns don't
matter much with those old clunkers, but still this got me puzzled:
Looking at datasheets of D-SUB Connectores from different manufacturers,

I want to build a transformer which runs on switched DC (rectified
mains). Here are the pecs.
switching frequency 1kHz ~ 50kHz
output winding 2kV (100mA).

Hi Folks..
I'm looking for a bit of info on a Field Strength meter  for detecting
EPIRB 406MHz and 121.5MHz signals.
My reason for asking is that I am part of our local coastguard unit

Inzi submits detailed statement on first day of case hearing
First day hearing of ball tempering case against Inzamam-ul-Haq in Oval
test was held here Wednesday.
for further  details pelase visit this site : : :

"In the line of fire" contributes to dispel misperceptions about
Pakistan in US: Musharraf
President General Pervez Musharraf has said his meeting with President
Bush and Hamid Karzai has remained fruitful adding that the differences

I am modifying a product ( says Product A ) from USB connectoin to
Bluetooth.
It is very simple to do a RS232 replacement.
But the output originally is USB, that is a trouble. I need to use a

Recently I ran into a Pierce CMOS oscillator built froma 20MHz
fundamental mode quartz crystal, a 74AC04 active element, a 100K
linearizing resistor and the appropriate loading and phase shifting
elements (1.4K resisitor and 2 X 39pF capacitors) inthe traditional

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