The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: Spehro Pefhany
Subject: Re: Don't do this! Just don't!
X-Newsreader: Forte Agent 1.93/32.576 English (American)
Date: Sun, 19 Jan 2003 23:40:32 GMT
NNTP-Posting-Date: Sun, 19 Jan 2003 18:40:32 EST
On Sun, 19 Jan 2003 13:19:19 -0800, the renowned John Larkin
>On Sun, 19 Jan 2003 21:17:12 -0000, "John Jardine"
>>I once watched on as a couple of our production guys farted about trying to
>>solder select-on-test surface mount resistors onto a pcb because of this
>>stupidity. Incredibly they'd also been supplied with a pre-calculated look
>>up table (beautfully printed and laminated) to make a 'best fit' ranging
>>selection before the pot was trimmed.
>>The lad who dreamed up this eletronic abortion actually turned a bright pink
>>colour on being shown the normal way.
>Funny; I like the laminated cheat-sheet. This is my second-favorite:
> | +------Rf---------+
> p | |
> o <---Ri----+---- (-) |
> t (out)-----+----Ro--- offset
> | gnd---(+)
> | opamp
This would be nicer, if you have a spare op-amp, no? Then
you don't have the Vos etc. from the opamp to such a
degree. Fixed output impedance of 49.9||10K, which is
> o <-------------- (+)
> t (out)-----x---10K--x- offset
> | x-----(-) | |
> | | | 49R9
> | | opamp | |
> | | | 0V
> | x-----------------x
"it's the network..." "The Journey is the reward"
firstname.lastname@example.org Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog Info for designers: http://www.speff.com
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup