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Total 13 documents matching your query.

1. [AMPS] conjugate match (score: 1)
Author: Peter.Chadwick@gpsemi.com (Peter Chadwick)
Date: Wed, 3 Sep 1997 08:59:11 +0100
Tom, I'm in deep disagreement with you on conjugate matching. Not that it matters - it should lead to a lively discussion! But, when you say: is often confused with a dissipative resistance like a re
/archives//html/Amps/1997-09/msg00036.html (8,177 bytes)

2. [AMPS] conjugate match (score: 1)
Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net)
Date: Wed, 3 Sep 1997 09:13:47 +0000
To: <amps@contesting.com> Anything is better than beating one's head against a rock about grid dissipation, hi. It's not new at all Peter. It's the result of the unfortunate selection of the term oh
/archives//html/Amps/1997-09/msg00039.html (10,577 bytes)

3. [AMPS] Conjugate match (score: 1)
Author: Peter.Chadwick@gpsemi.com (Peter Chadwick)
Date: Wed, 3 Sep 1997 15:02:52 +0100
I still need convincing. Let's take a class A transistor to start with. Assume that the collector volts can swing from 12 down to 1 and up to 23 because of the transformer. That's 22 volts peak to pe
/archives//html/Amps/1997-09/msg00042.html (10,256 bytes)

4. [AMPS] conjugate match (score: 1)
Author: measures@vc.net (Rich Measures)
Date: Wed, 3 Sep 97 08:38:05 -0800
Before locking horns over the apparently new issue of non-dissipative resistance, Peter, it might be advisable to level the playing field a bit by declaring yourself to be a 'Recognized Expert'. - I
/archives//html/Amps/1997-09/msg00048.html (8,709 bytes)

5. [AMPS] Conjugate match (score: 1)
Author: k6ll@juno.com (David O. Hachadorian)
Date: Wed, 03 Sep 1997 11:48:38 EDT
A power amplifier can be reduced to the Thevenin equivalent circuit of a voltage source with a series resistor source impedance. Power transfer is maximized when the load impedance is equal to the so
/archives//html/Amps/1997-09/msg00049.html (8,413 bytes)

6. [AMPS] conjugate match (score: 1)
Author: Peter.Chadwick@gpsemi.com (Peter Chadwick)
Date: Wed, 3 Sep 1997 17:01:35 +0100
Yes - IF the power is available. But at the conjugate match, the power may well not be available or, in other words, the source impedance changes. Like the lab PSU that has a 0.1 ohm output impedanc
/archives//html/Amps/1997-09/msg00051.html (8,699 bytes)

7. [AMPS] Conjugate match (score: 1)
Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK)
Date: Wed, 3 Sep 1997 21:29:33 +0100
ARRL has done quite a good job of purging the term "output impedance" from the PA chapters of the Handbook, in favor of talking about the "optimum load impedance" that the PA wants to look into. Howe
/archives//html/Amps/1997-09/msg00062.html (9,257 bytes)

8. [AMPS] Conjugate match (score: 1)
Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net)
Date: Wed, 3 Sep 1997 22:49:39 +0000
To: <amps@contesting.com> The important part is agreeing the Thevenin and Norton models can't be used to desribe anything inside the source, excepot what it looks like at its terminals. I'm not sure
/archives//html/Amps/1997-09/msg00065.html (10,002 bytes)

9. [AMPS] Conjugate match (score: 1)
Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net)
Date: Thu, 4 Sep 1997 00:38:19 +0000
Rather than re-write a seven page paper again here, I'll e-mail anyone interested a copy of the paper on conjugate match coauthored by Belrose, Maxwell, and myself. It is scheduled to appear in Commu
/archives//html/Amps/1997-09/msg00070.html (8,589 bytes)

10. [AMPS] Conjugate match (score: 1)
Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net)
Date: Thu, 4 Sep 1997 00:38:19 +0000
Hi Ian. It certainly does exist, and it can be measured with simple equipment. Viewed from the output terminals, over 15 PA's tested all produced maximum power and efficiency for a given amout of dri
/archives//html/Amps/1997-09/msg00072.html (9,180 bytes)

11. [AMPS] conjugate match (score: 1)
Author: yo3ctk@alltrom.ro (yo3ctk)
Date: Thu, 4 Sep 1997 10:26:27 +0300
This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. -- =_NextPart_000_01BCB91D.017AB3A0 Content-Type: text/plain; c
/archives//html/Amps/1997-09/msg00073.html (15,039 bytes)

12. [AMPS] conjugate match (score: 1)
Author: Peter.Chadwick@gpsemi.com (Peter Chadwick)
Date: Thu, 4 Sep 1997 09:07:25 +0100
ARRL aren't the only ones who prefer 'optimum load impedance' - so do Motorola! 73 Peter G3RZP -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative req
/archives//html/Amps/1997-09/msg00076.html (7,828 bytes)

13. [AMPS] Conjugate match (score: 1)
Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK)
Date: Thu, 4 Sep 1997 07:37:15 +0100
I'll look forward to reading your article, and then reply. Probably we agree quite closely, except perhaps about the use of certain words. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice
/archives//html/Amps/1997-09/msg00081.html (8,658 bytes)


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