... That should be Maxim instead of Mitel. Thanks to Bob Paddock for sending me a correction. It's hard to keep up with all those take-overs lately. I try to...
Jaap van Ganswijk
ganswijk@...
Dec 2, 2002 1:24 am
4372
Actually, I think "93051" should be "93C51", a fairly common device, IIRC. Data should be available from Fairchild's web site. Joe. ... -- Author: da Silva,...
da Silva, Joe
Joe.daSilva@...
Dec 2, 2002 6:54 am
4373
Hello, I am searching for a datasheet: NEC LD 8051 fluorescent display. Any help greatly appreciated Jan mit freundlichen Gruessen---best regards Frag'Jan...
Jan Wuesten
fjz@...
Dec 2, 2002 6:56 am
4374
Hello members, I need some help with a current boost circuit. The primary powersuppy of the circuit is 5V. I have an output which is switchable between 1.8V,...
Elbert Smit
E.Smit@...
Dec 2, 2002 2:18 pm
4375
Elbert, you have tell us a little more of what this circuit need to do, like bandwidth, switching speed, voltages, what it is for, etc. if you need simply a...
Friedel Bruening
bolinst@...
Dec 2, 2002 3:29 pm
4376
Definitely not enough info. here. What exactly is the output as it stands ? If it is an op-amp output, then how do you manage to get 5V out of it when your...
Darren Logan
Darrenl@...
Dec 2, 2002 4:06 pm
4377
Hello Friedel, The circuit does not have to be fast, I want to use it as a powersupply, delivering 1.8V, 3.3V or 5V with a current of 200mA (cont.), and a...
Elbert Smit
E.Smit@...
Dec 2, 2002 4:15 pm
4378
Elbert, in this case the LM317 is possibly the ideal solution, it´s cheap and you can get it where ever I believe. Cheers Friedel ... -- Author: Friedel...
Friedel Bruening
bolinst@...
Dec 2, 2002 4:39 pm
4379
... Switching to different voltages with 3 different resistors and 3 NPN's (and 3 port pins at you uC) or use a I2C or SPI controlled resistor. Matthias -- ...
Matthias Weingart
matthias@...
Dec 2, 2002 6:27 pm
4380
... I'm going to make a few wild guesses, seeing as you won't tell us about what you want help with ;-). I won't try a second time because if you want help, a ...
Declan Moriarty
tech.genius@...
Dec 2, 2002 6:29 pm
4381
Hi list members, I've a question on what "should have been" a truly simple circuit. I'm trouble-shooting the electronic side of a gas chromatograph, all...
Charles Eisnor
c.eisnor@...
Dec 2, 2002 7:00 pm
4382
... As your output cannot drive the current you need, you will only be able to use it as a reference voltage for some other device which can drive the current,...
Friedel Bruening
bolinst@...
Dec 2, 2002 7:53 pm
4383
... I'm not sure anything is wrong. Crystals don't pass DC so the circuit must be biased into the linear region to work. This will give you a distorted...
Fred Townsend
fred@...
Dec 2, 2002 8:04 pm
4384
Is the 74LS04 used originally or has it been a replacement for a '04 from another logic family? DId this machine ver run? The whole oscillator design seems...
Uwe Zimmermann
uwe@...
Dec 2, 2002 8:34 pm
4385
Fred Townsend wrote: My advise is to stay away from the crystal and measure the signal down stream of the ... Hi Fred, thanks for the thoughts. I'm using a...
Charles Eisnor
c.eisnor@...
Dec 2, 2002 8:41 pm
4386
HI Uwe, The manufacturer's schematic shows a 74LS04 but one of my texts states that the 1K resistors should be 3K9 resistors for the LS series and 1K only for...
Charles Eisnor
c.eisnor@...
Dec 2, 2002 10:07 pm
4387
Chuck, you are using a stethoscope to diagnose a jet engine. Your Fluke 123 is rated as a 20 MHz scope. This would place the third harmonic of 7 MHz outside...
Fred Townsend
fred@...
Dec 2, 2002 11:06 pm
4388
... would >be pin ... buffer, pin 6 ... Sounds like your probe is loading the signal. In the past, I've been able to stop my controller designs just by poking...
TQuiroz@...
Dec 2, 2002 11:40 pm
4389
Hi LIST I Need all you help very badly. Recently I was infected with W32.Opaserv.Worm and luckily Norton detected it and deleted the files. But I was wondering...
rhonn tabanao
rbtabanao@...
Dec 3, 2002 10:39 am
4390
... There are many bugs and holes in MS Internet Explorer and Outlook and Windows. Unfortunately updating does not help much, because many bugs have not been...
Matthias Weingart
matthias@...
Dec 3, 2002 11:35 am
4391
(Lord I love a MAC) -- Author: INET: HnrBnd@... Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing...
HnrBnd@...
Dec 3, 2002 8:20 pm
4392
hi, any body here know about such integrated circuit in which more then 8 or 16 opamp exist, like TL084 in which quad opamp present. regards shazze...
Shazze
shazze@...
Dec 3, 2002 9:33 pm
4393
... There are none, unless you want to do custom chips. Why are you looking for them? -- http://www.unusualresearch.com/ http://www.bpaddock.com/ -- Author:...
Bob Paddock
bpaddock@...
Dec 3, 2002 10:00 pm
4394
I would like to replace a pair of 6v lantern batteries in a lantern with a sealed lead acid or gel cell battery and would like to know about charging them. I...
Jeremy N. E. Proffitt
rebel.tech@...
Dec 3, 2002 11:52 pm
4395
As far as i know, for 2 * 6v batteries in series, you would require around 14.5V @ room temp to charge them both. You will need to limit the current some way...
Mikael
mikael_stewart@...
Dec 4, 2002 1:07 am
4396
[Long Live Linux] ... -- Author: Robert Warner INET: rwarner1@... Fat City Network Services -- 858-538-5051 http://www.fatcity.com San...
Robert Warner
rwarner1@...
Dec 4, 2002 3:57 am
4397
... Since the opamps are not interconnected there is no need to put a lot of them on a big chip. It's for several reasons much better to put only upto 4 in one...
Jaap van Ganswijk
ganswijk@...
Dec 4, 2002 6:18 am
4398
Which paste should I use for national-semi microSMD package with 0.5mm raster, 0.2mm bumps? I would like to print paste with screen instead of stencil, but...
Marko Pavlin
marko.pavlin@...
Dec 4, 2002 7:58 am
4399
... That’s correct. I would like to add: 1. The charging method for this type of accumulators is constant voltage. The current limit is just for protection. ...
Mircea Coman
mircom@...
Dec 4, 2002 8:24 am
4400
... At 3 pins per opamp, & 2 or 3 for supplies and possibly 2 or 3 each opamp for compansation, you're up to a lot of pins. If you find such a chip - don't use...
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