Electronics Forum / Design / July 2008

I'm making a 24 to 5V @ 12A DC-DC convert with accurate constant current
limiting down to zero volts. After spending time designing a prototype
using TI's UCC2541 synchronous buck controller, I discovered this IC has
as a serious problem at low duty cycles. When the PWM on period ...

I am looking for some design help on a circuit to control a rotary
solenoid using an audio signal. First, some context:
This is for a musician/artist friend who is building a prototype of a
new musical instrument. The instrument consists of a series of nitinol

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Discount, Prada Sunglasses, Discount, D&G Sunglasses, Discount,

Looking for low-dropout regulator IC suggestions,
for automotive use, handle 60V load-dump, etc.
12V 250mA TO-220 parts...

Hi there everyone.
I have been working on a project for a while which I want to send data
over sms to a defined number. I am trying to find a way to do it with
a seperate board. But all i can find online is ways to interface with

You just get close to your vehicle (or house) and the doors unlock.
No button pushing. However, there's still a battery powered thingy to
carry around in a pocket.
I spotted the proximity door lock feature as part of fancy car alarm

Hi I have a problem with.....
Well you need linux.....
But I dont want linux, I want to fix.....
But linux is better.......

Japanese halberd Lima Electronics (Singapore) Ltd. Japanese halberd
137-1410 2508 Japanese halberd MSN: sz-lima@hotmail.com E-mail:
lima13714102508@21cn.com
Japanese halberd 7MBR10SA120/7MBR15SA120/IXTQ26N50P--137-1410-2508

Japanese halberd Lima Electronics (Singapore) Ltd. Japanese halberd
137-1410 2508 Japanese halberd MSN: sz-lima@hotmail.com E-mail:
lima13714102508@21cn.com
Japanese halberd 7MBR10SA120/7MBR15SA120/IXTQ26N50P--137-1410-2508

Japanese halberd Lima Electronics (Singapore) Ltd. Japanese halberd
137-1410 2508 Japanese halberd MSN: sz-lima@hotmail.com E-mail:
lima13714102508@21cn.com
Japanese halberd 7MBR10SA120/7MBR15SA120/IXTQ26N50P--137-1410-2508

I am searching for the official FM broadcasting document. The document
(specification) I am searching for describes FM broadcasting
modulation format, channel allocation and RDS. I have no idea which
orgnization publish this. Can anyone point me to the right place to

Scare of the day...
The clearly written 2nd Amendment:
"The right of the people to keep and bear Arms shall not be infringed"
yesterday was _almost_ trashed by the leftist weenies on the Supreme

The Real Democrat Energy Strategy:
http://polfeeds.com/item/The-Real-Democrat-Energy-Strategy-Drive-Small-Cars-and-
Wait-for-the-Wind
                                       ...Jim Thompson

I've got a challenge for you guys:
Can anyone tell me anything about a Motorola SC85370P?  I'm quite
confident that its a microcontroller but I can't find any data
whatsoever.  The part was clearly made by Motorola but the part number

There seems to be a pretty smart group of people who frequent this
newsgroup, so I thought I would ask here. So when should broccoli
and cauliflower be harvested? I put these in about early May. At
an earlier time they looked similar to what you see in the market