Search found 341 matches

by Ron H
Wed Oct 05, 2005 9:14 pm
Forum: General Discussion
Topic: I am claiming dunce of the week
Replies: 44
Views: 9596

Re: I am claiming dunce of the week

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Let's just say he made a funny noise. You know the noise I'm talking about; it sounds kind of like an unnatural combination of YOW! and ACK! but with a few extra syllables.<p>I might have the polarity wrong, so don't t...
by Ron H
Wed Oct 05, 2005 12:48 pm
Forum: General Discussion
Topic: I am claiming dunce of the week
Replies: 44
Views: 9596

Re: I am claiming dunce of the week

Back in the '70's, I bought a house in the Santa Cruz mountains that had about a zillion single-pane windows, and only electric heat. My bathroom was always cold in the winter, so I replaced an in-wall radiant heater with a fan-forced heater and a separate 24 hour motorized timer. When I got it all ...
by Ron H
Thu Sep 29, 2005 8:06 am
Forum: General Discussion
Topic: About Trolls and Flamers
Replies: 7
Views: 1290

Re: About Trolls and Flamers

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Enzo: Is it truly necessary to start another thread to talk about the thread on how we talk about the way we talk in other threads? All it does is spread the disease. Let it be. Walk away, and the ...
by Ron H
Wed Sep 28, 2005 4:01 pm
Forum: General Discussion
Topic: About Trolls and Flamers
Replies: 7
Views: 1290

About Trolls and Flamers

Here are some interesting observations, with some good advice at the end.
by Ron H
Mon Sep 26, 2005 12:56 pm
Forum: General Discussion
Topic: Go stand in the corner, Chris
Replies: 74
Views: 15162

Re: Go stand in the corner, Chris

Chris, it's pretty obvious that the writer of the Wikipedia article is aware of the definition of mass that you are promoting. I believe Wikipedia is saying that this is an outdated but not incorrect definition of mass. Here is another article that says the same thing. Google "relativistic mass" or ...
by Ron H
Mon Sep 26, 2005 12:07 pm
Forum: General Discussion
Topic: Go stand in the corner, Chris
Replies: 74
Views: 15162

Re: Go stand in the corner, Chris

I think Chris has a really old book. See what Wikipedia has to say about relativistic mass.
by Ron H
Thu Sep 01, 2005 1:34 pm
Forum: General Discussion
Topic: PWM motor circuit and diode
Replies: 31
Views: 6032

Re: PWM motor circuit and diode

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by positronicle: Adding a base resistor of 2.2k or so would probably be a good idea. Here's an updated schematic. [URL=<a href="http://imageshack.us" target="_blank">:D<p>[ September 01, 2005: Message...
by Ron H
Wed Aug 31, 2005 1:10 pm
Forum: General Discussion
Topic: PWM motor circuit and diode
Replies: 31
Views: 6032

Re: PWM motor circuit and diode

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by positronicle: You probably should be using a driver for this circuit. Just open the connection coming from your pwm signal point, pass this signal through a 2.2k resistor, then to the base of a 2n3...
by Ron H
Wed Aug 17, 2005 8:43 am
Forum: General Discussion
Topic: Satellite dish design
Replies: 45
Views: 7194

Re: Satellite dish design

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Chris Smith: Ron, A dish is not a antenna. <p>It’s a reflector, a lens, a way to concentrate the energy after it leaves the actual antenna. <p>In a dish system the feed horn contains the antenna us...
by Ron H
Tue Aug 16, 2005 10:34 pm
Forum: General Discussion
Topic: Satellite dish design
Replies: 45
Views: 7194

Re: Satellite dish design

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Chris Smith: Ron, A dish is not a antenna. <p>It’s a reflector, a lens, a way to concentrate the energy after it leaves the actual antenna. <p>In a dish system the feed horn contains the antenna us...
by Ron H
Tue Aug 16, 2005 9:42 pm
Forum: General Discussion
Topic: Satellite dish design
Replies: 45
Views: 7194

Re: Satellite dish design

I had posted a couple of references to some equations here, but I think my brain was fogged by the lateness of the hour. I'll rethink it in the morning.
[ August 16, 2005: Message edited by: RonH ]<p>[ August 16, 2005: Message edited by: RonH ]</p>
by Ron H
Sat Jul 16, 2005 7:57 pm
Forum: General Discussion
Topic: Is there a good digital designer out there
Replies: 22
Views: 3946

Re: Is there a good digital designer out there

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by ROBERT REED:
A high is a logic 1, a low is a logic 0. <snip><hr></blockquote><p>In active high logic. :)<p>[ July 16, 2005: Message edited by: RonH ]</p>
by Ron H
Fri Jul 15, 2005 9:51 am
Forum: General Discussion
Topic: Series Zeners
Replies: 8
Views: 1582

Re: Series Zeners

Dean, a couple of days ago I almost made the same comments as Carl, but after looking at some datasheets, came to the same conclusion you did. There may be some minor gains in impedance with certain combinations, but I'm betting they are minor. It does seem that tempco could be improved on by using ...
by Ron H
Thu Jun 30, 2005 7:41 am
Forum: General Discussion
Topic: RANGE FINDER
Replies: 12
Views: 2822

Re: RANGE FINDER

<blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr>Originally posted by Jeep4by4: <p>Typically Golf range finders work by measuring the viewed size of the hole flag, which is a standard size. The smaller the flag appears the further you are from it. <hr></blockquote><p...
by Ron H
Tue Jun 28, 2005 9:32 am
Forum: General Discussion
Topic: Crystal Aging
Replies: 6
Views: 1114

Re: Crystal Aging