Design

PSpice and LTSpice
Lately I got a PSpice listing that differs wildly from the LTSpice listings used by LTSpice. Anyone knows a way to convert from PSpice to LTSpice? petrus bitbyter ... 6 Jan 2010 18:48

Rigol oscilloscope prices have sky-rocketed!
After 12 months or so of steady decline on prices of the Rigol DS1052E scope on eBay (and other places), with them being around the US$400 mark or less for some time now from countless ebay sellers, the price has suddenly jumped up to US$550 or more from all sellers. There has also been a sudden and drastic red... 14 Jan 2010 21:24

How do you design these days?
When I was in school components fit on solderless breadboards and we made circuits using breadboards, power supplies, meters and oscilloscopes. Many of today's components don't appear to be breadboard friendly, so how is it done today? Is circuit design software and simulation good enough to go straight to ... 12 Jan 2010 08:09

New wonders from CIA
Only stupid american can belive in that new 'bomb attack'. Probably that boy was narkotizied by US secret forces and they make TV show for stuspid american FOX TV viewers. You schould be VERY affraid, and you will do everything what they want. Even 5 new wars. ... 3 Jan 2010 16:04

FED-STD 595 chip 33446 to RAL or Pantone
I have to paint some kit in FED-STD-595 colour 33446, dessert tan. I need to cross refer to an equivelent European colour I can get hold of. So I need a RAL or Pantone equivelent. I have found 1 possible cross ref on google but wondered if anyone here actually knew the best cross ref. ... 29 Dec 2009 17:30

Power factor correction
PFC is a flyback thing. But flybacks suck over 100W, where forward looks better. But forward sucks over wide duty cycle ranges. What do they do, just bigger flybacks? Nothing at all? Tim -- Deep Friar: a very philosophical monk. Website: http://webpages.charter.net/dawill/tmoranwms ... 25 Jan 2010 21:51

RF Transistor Noise Source
.. .. There was a general discussion in this NG a couple of weeks ago about using a lightly-biased zener as a noise source. There was no clear definition about how flat or to what frequency the noise was useful. It got me to thinking and I'll do the experiment as soon as I can clean off my bench, but what do y... 13 Jan 2010 20:02

shoppingreps
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How to convert old NuTone Intercom IM-4006 cassette to iPod
I picked up a Monster A IP FM-CH 250 iCarPlay Wireless 250 FM Transmitter for iPod� & iPhone from the local electronics store http://www.buy.com/retail/product.asp?sku=206678505&listingid=40127622 I was hoping I could plug just the USB cable part of the 12v-auto-USB charger into a nearby computer and transmit t... 1 Jan 2010 09:45

Looking for simple way to interface BCD to serial (RS232)
I have a device that has a three digit LED display. The chip that drives the LED also has four Binary Weighted outputs (1,2,4,8) and three address pins for 100's, 10's and units. I want to drive a FIFO UART of some sort to output an RS232 stream so that this device can update a software program. Baud rate 300 t... 8 Jan 2010 00:42