Sci.Electronics.Basics
Sci.Electronics.Basics is a worldwide Usenet news group that is used to discuss basic electronics questions.
There are 4623 threads in our archives.
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Wayne - 2009-12-02 21:01:00
I am looking for the seminal paper by Sallen and Key entitled, "A
Practical Method of Designing RC Active Filters." I am currently
compiling a list of resources for an application report I am writi...
John Carter - 2009-12-01 06:21:00
Yes, it's that time of the year when men swear at tree lights, just
as I am doing now %&&*%*^$&^$%&^$%*&(^(*&%!!!
We have a pre-lighted tree with the lights that stay lit when a bulb
goes out o...
terryS - 2009-11-30 16:22:00
Kinda outta date here. Most of our stuff is old, but it works; or if
it doesn't we fix it asap.
So is it possible now to buy direct LED replacement for the
traditional two and three cell flashlight...
Sparky - 2009-11-30 06:54:00
I've owned & used Fluke DMMs and Tektronix scopes. I don't know much about
the Agilent U1242A DMM.
What's the history of these meters? Quality? Usability?
Anyone have any experiences to shar...
DaveK - 2009-11-28 16:20:00
I=92m a baseball coach at a high school and when we use our pitching
machine our players want to hit more balls than they should. I would
like for an alarm to go off after a pre-determined amount o...
pawihte - 2009-11-27 20:08:00
I remember reading a long time ago (I think it was a magazine
article) a cautionary note about operating a common-collector BJT
with the collector tied directly to the power supply rail. It
reco...
steve - 2009-11-27 08:38:00
This is a query about a good brand soundcard.
It distorts any externally input recording, whether from radio, deck
etc.
It sounds like satan is speaking to me.
However, the audio output is o...
pawihte - 2009-11-27 07:51:00
Are TV IR remote control receiver modules frequency selective? I
know that remote control systems use PWM and the pulses are
decoded by a microprocessor. What I would like to know is whether
the...
Matthew Langille - 2009-11-26 11:46:00
What is the difference between a full or half bridge constructed out
of MOSFETs, and one constructed out of IGBTs? What are the pros and
cons of each, and which would be more suitable for a high fre...
Jonas - 2009-11-26 02:35:00
Hello
HAs anyone ever tried to use a linear regulator to regulate a PWM
signal?
My situation:
Input signal, 24V PWM 400Hz
I want to have 12V PWM signal 400Hz
I was thinking of using a linear...
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