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Total 96 documents matching your query.

81. [TenTec] Phase noise (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Fri, 5 Nov 2004 15:43:54 -0500 (EST)
To back up my staement regarding phase noise, here is a quote from page 10-9 of the 1987 ARRL Amateur Radio Handbook. "Phase noise is generated within the oscillators of a synthesizer. A crystal osci
/archives//html/TenTec/2004-11/msg00130.html (7,151 bytes)

82. Re: [TenTec] FS: Paragon II corrected filter info (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Wed, 15 Dec 2004 10:25:48 -0500 (EST)
Here in Canada, where we had metric thrust on us, many people use the term "klicks" (or is it "klix") to denote kilometers per hour. Dave, VE1ADH -- Mike Hyder -N4NT- <mike.hyder.n4nt@charter.net> wr
/archives//html/TenTec/2004-12/msg00597.html (10,006 bytes)

83. Re: [TenTec] Paragon question (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Thu, 3 Feb 2005 09:39:31 -0500 (EST)
The original was probably a PIN diode. That's what is in the Pegasus. I was told by Tentec that I could use a 1N914/1N4148 as temporary replacement but that I should eventually get the proper replace
/archives//html/TenTec/2005-02/msg00063.html (8,736 bytes)

84. Re: [TenTec] Paragon question (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Thu, 3 Feb 2005 16:43:32 -0500 (EST)
The Peg uses RLS135's. Dave, VE1ADH -- Steve Baron - KB3MM <SteveBaron@StarLinX.com> wrote: ___________________________________________________________________ _______________________________________
/archives//html/TenTec/2005-02/msg00077.html (11,134 bytes)

85. Re: [TenTec] QST magazines (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Tue, 22 Mar 2005 17:03:20 -0500 (EST)
They have not been sold at newstands around here for about 2 years or more. The last issue I bought at newstand was March 2001. Dave, VE1ADH __________________________________________________________
/archives//html/TenTec/2005-03/msg00556.html (7,673 bytes)

86. Re: [TenTec] make zero beating fast and easy (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Fri, 25 Mar 2005 17:32:34 -0500 (EST)
I am the author of "tunewin". When I got my pegasus I had planned to write my own 32 bit program from scratch. I wanted to include a window display like tunewin in my program. While working with this
/archives//html/TenTec/2005-03/msg00664.html (10,483 bytes)

87. Re: [TenTec] make zero beating fast and easy (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Fri, 25 Mar 2005 18:24:39 -0500 (EST)
Thanks Tommy, I have spent a lot of time trying to make it work that way and get bogged down deep in the innards of C++ and windows. Even bought a copy of "C++ For Dummys", wasn't much help though. I
/archives//html/TenTec/2005-03/msg00669.html (13,283 bytes)

88. [TenTec] Tunewin (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Wed, 30 Mar 2005 20:15:50 -0500 (EST)
Darrel AA7FV has come up with a patch for tunewin that allows settings to be retained when the program is closed and restarted. The patch is now included in the .ZIP file at: http://www.qsl.net/ve1ad
/archives//html/TenTec/2005-03/msg00793.html (7,318 bytes)

89. Re: [TenTec] Omni six-- heat related IF gain problem (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Wed, 13 Jul 2005 11:49:37 -0400 (EDT)
If you're using DC fans, why not put the two in series instead of using the resistors? I put two 12V fans on my pegasus heatsink and connected them that way. Very quiet and they do the job. Dave, VE1
/archives//html/TenTec/2005-07/msg00388.html (9,745 bytes)

90. Re: [TenTec] repair of Herc II amp RE Phil (k4dpk) (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Tue, 15 Nov 2005 17:01:24 -0500 (EST)
I have seen RF transistors that check OK for continuity and will even make full power on 20 meters, but they drop off on the higher bands and sometimes on the lower bands. These transistors have a mu
/archives//html/TenTec/2005-11/msg00254.html (9,399 bytes)

91. Re: [TenTec] Pegasus xmit problem (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Thu, 26 Jan 2006 22:04:11 -0500 (EST)
Check the pin diodes that switch the RECEIVE bandpass filters. If any are shorted the filter will be in the circuit on transmit and can cause a fault like this. 73 and good luck, Dave, VE1ADH _______
/archives//html/TenTec/2006-01/msg00920.html (10,044 bytes)

92. Re: [TenTec] Pegasus xmit problem (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Fri, 27 Jan 2006 11:34:07 -0500 (EST)
When I had my problem, I called TT and they sent me schematics. 73, Dave, VE1ADH __________________________________________________________ __________________________________________________________
/archives//html/TenTec/2006-01/msg00928.html (11,904 bytes)

93. Re: [TenTec] Pegasus xmit problem (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Fri, 27 Jan 2006 17:14:15 -0500 (EST)
My schematics are photocopies of Tentec's shop working diagrams. They have notes and scribbles on them and they wouldn't make good copies. If nobody has better copies I will try to scan them. Dave,VE
/archives//html/TenTec/2006-01/msg00938.html (15,056 bytes)

94. Re: [TenTec] Triton IV SSB problem (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Mon, 27 Feb 2006 12:00:50 -0500 (EST)
Check the carrier balance. Dave, VE1ADH __________________________________________________________ Find your next car at http://autos.yahoo.ca _______________________________________________ TenTec m
/archives//html/TenTec/2006-02/msg01285.html (8,286 bytes)

95. [TenTec] Pegasus repair hint (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Tue, 19 Dec 2006 18:24:34 -0800 (PST)
I had to work on the DSP board in my Pegasus and the internal tuner was in my way. Here's how I got around the problem without having to remove the tuner. http://www.accesswave.ca/~ve1adh/Pegasus%20A
/archives//html/TenTec/2006-12/msg00483.html (6,946 bytes)

96. Re: [TenTec] TenTec Digest, Vol 64, Issue 35 (score: 1)
Author: David McClafferty <ve1adh@yahoo.ca>
Date: Sat, 26 Apr 2008 14:29:27 -0700 (PDT)
RF transistors have multiple emitters. If one or more (but not all) of these emitters fail the low frequency gain will be reduced. Dave, VE1ADH Message: 1 Date: Fri, 25 Apr 2008 11:43:21 -0500 From:
/archives//html/TenTec/2008-04/msg00451.html (8,548 bytes)

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