sci.electronics.design Google Group

Re: Low pass filter modulation

2009-11-08T09:19:59Z

Would that be a 'dynamic equalizer' proportional to higher harmonics?
Ken

Re: PCB Encapsulants to Annoy Copy Pirates

2009-11-08T09:14:32Z

You can use vaseline to maintain the magnetostrictive constant,
constant.
Ken

Re: PCB Encapsulants to Annoy Copy Pirates

2009-11-08T08:51:15Z

On Sat, 07 Nov 2009 22:21:40 -0700, Don Lancaster <d...@tinaja.com>
wrote:
Neato....
The material has to move to act like the specs.

Re: Trying Out Drawing Tablet with LTSpice

2009-11-08T08:29:03Z

On Sun, 01 Nov 2009 00:25:12 -0700, D from BC
Over the years i have use almost every input device for most tasks.
Some are better suited to certain tasks than others. For general use
mice and trackballs are about equal and generally do better than other
devices.
Every device represents differing tradeoff of cost, resolution,

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2009-11-08T07:19:37Z

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Low pass filter modulation

2009-11-08T07:18:03Z

Can anyone suggest the best way to implement "low-pass filter
modulation" which removes high frequencies in square (or compound)
waves at the specified rate per second?
In addition to hardware, is there a DSP software application that can
perform this function?
Claus Jensen

Re: Noisy amplifiers put the Kepler exoplanet detection spacecraft on hold until 2011

2009-11-08T07:00:45Z

On Sun, 1 Nov 2009 07:11:25 -0800 (PST), MooseFET <kensm...@rahul.net>
wrote:
You were way more polite than i would have been. I would have pointed
out that available transmitter power and bandwidth prevent
transmitting the total data available at the satellite (which is much
farther away than geosynchronous satellites). Shannon's law tells us

Re: Adding a 6v boost to a 12v battery charger

2009-11-08T06:55:59Z

The schematic is a valid one...who do you think makes the Sears
charger?
TMT

Re: Legacy Lambda Power Supply Schematic Search

2009-11-08T06:38:39Z

Pretty reliable beast. The later models with the LEDs were very
unreliable.

Re: Sheet metal knockout punches

2009-11-08T06:31:06Z

On Sun, 1 Nov 2009 00:07:34 +0530, "pimpom" <pim...@invalid.com>
wrote:
<snip>
That is straight forward enough, localization can easily be provided
by decoding your IP address or what it resolves to with ARP and RARP.

Re: Hee! Hee! Hee!

2009-11-08T06:13:14Z

robb wrote:
Its not rental, it a fee to keep the rif-raf out of your property.
Its cheaper then hiring a private security company.
Its cheaper then hiring a private fire department.
And there is no competition to drive the price up.
don

Re: LM310/LM110 - need a replacement

2009-11-08T05:58:08Z

"Jim Flanagan"
** 1nA input bias current gives one that sort of impression.
Seems to be using the same "super gain" NPN transistors for the inputs as
the LM308 does.
Amazing stuff for ICs released in the late 1960s.
..... Phil

Re: OT: for JT, Toyota Runway Cars

2009-11-08T05:38:45Z

I see a demand for aftermarket "kill switches".

Re: PCB Encapsulants to Annoy Copy Pirates

2009-11-08T05:21:40Z

One rude surprise of some conformal coatings: Ferrite beads may no
longer work!
Hoo boy was a major Aerospace company surprised when they found this out
the hard way.
Apparently a ferrite bead has to magnetostrict to operate per spec.
Keep it from doing so and the rules change wildly.

Re: Legacy Lambda Power Supply Schematic Search

2009-11-08T05:09:34Z

In article <4af59571$0$5107$9a6e1...@unli mited.newshosting.com>,
jf...@tampabay.rr.com says...
Hi, Jim -
I hope you mean LPD rather than LDP.
I have the manual which includes the schematic. It is 10.8 MB. I can
send it to you if you wish.
John