Mail Archive Search: <+from:Phil Chambley>

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References: [ +from:Phil: 796 ] [ Chambley: 408 ]

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121. Re: [TenTec] Hercules II repair: 253 tuner relay (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 14 Nov 2005 14:20:15 -0500; Interesting.... I have never believed it necessary to change all eight when only one is bad. It is only necessary that individuals in pairs be matched, then balance all four of the push-pull amplifie; /archives//html/TenTec/2005-11/msg00236.html (11,151 bytes)
122. Re: [TenTec] repair of Herc II amp RE Phil (k4dpk) (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 14 Nov 2005 20:50:28 -0500; Hi Sam... Gary and I almost never disagree, so there is probably something here that I am missing. But: The transistors are graded into beta (gain) groups as they are manufactured. The transistor cas; /archives//html/TenTec/2005-11/msg00245.html (9,664 bytes)
123. Re: [TenTec] repair of Herc II amp RE Phil (k4dpk) (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Tue, 15 Nov 2005 20:27:13 -0500; Hi Dave... If that is true, and two vastly different transistors found their way into the same beta group, then it would also be true of not only the transistors already in the amplifier, but any can; /archives//html/TenTec/2005-11/msg00256.html (10,767 bytes)
124. Re: [TenTec] repair of Herc II amp RE Phil (k4dpk) (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Tue, 15 Nov 2005 23:59:15 -0500; Just to keep the record straight...I did not suggest replacing only the one that went bad, but also its mate in the p-p amplifier as well, being mindful that they should be matched and in the same be; /archives//html/TenTec/2005-11/msg00260.html (10,565 bytes)
125. Re: [TenTec] Orion 2 lightning rule (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 21 Nov 2005 21:48:52 -0500; If I ever win the mega-millions lottery, I'm going to buy Surplus Sales of Nebraska and fire everybody. Phil _______________________________________________ TenTec mailing list TenTec@contesting.com; /archives//html/TenTec/2005-11/msg00408.html (8,590 bytes)
126. Re: [TenTec] Bug = truly bad CW! (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Tue, 22 Nov 2005 21:07:03 -0500; Y'know, that reminds me of the time I criticized the other operator's fist and then found out that he was a paraplegic, using a soda straw in his teeth to operate the J-38. I told him I had to sign o; /archives//html/TenTec/2005-11/msg00460.html (11,706 bytes)
127. Re: [TenTec] Centurion (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 12 Dec 2005 20:19:30 -0500; Re 3-500Z problems....Johnson 275 and similar sockets: I2R losses due to poor contact between filament pins and socket grippers result in melting solder out of the pins. This, no doubt, caused many t; /archives//html/TenTec/2005-12/msg00301.html (10,008 bytes)
128. Re: [TenTec] Centurion- bias transistor (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Tue, 13 Dec 2005 01:39:19 -0500; If you connect an NE-2 neon bulb from the emitter to collector of the cathode switching transistor, it will keep spikes from puncturing the transistor. 73 Phil VFO Stabilizers and PEP adapters for wa; /archives//html/TenTec/2005-12/msg00308.html (9,619 bytes)
129. Re: [TenTec] Paragon brains gone (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 2 Jan 2006 16:18:33 -0500; Hi Ken... (Re Paragon) One of the things that can cause the symptoms you describe is insufficient filtering of the power supply DC. This can happen in the early matching power supplies in the followi; /archives//html/TenTec/2006-01/msg00069.html (12,371 bytes)
130. Re: [TenTec] Herc II and FT-1000MP (Mark V) (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Wed, 15 Feb 2006 20:17:01 -0500; Chet... You can find a circuit for that at http://www.k6xx.com/radio/mpbandbx.html 73 Phil K4DPK VFO Stabilizers and PEP adapters for wattmeters...Check out http://home.comcast.net/~k4dpk -- Original; /archives//html/TenTec/2006-02/msg00681.html (8,357 bytes)
131. [TenTec] FS: Pegasus circuit boards (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Sun, 26 Mar 2006 20:08:12 -0500; A low-grade lightning pulse killed the computer being used with this Peg, and evidently damaged the digital board. I changed the MAX-232 chip, but didn't go any further into it. I have that board, (8; /archives//html/TenTec/2006-03/msg01174.html (6,701 bytes)
132. Re: [TenTec] help/paint (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Wed, 12 Apr 2006 23:26:57 -0400; The store I use has a hand held probe for their colorimetric measurements. I usually take a top cover or whatever. Phil VFO Stabilizers and PEP adapters for wattmeters...Check out http://home.comcast; /archives//html/TenTec/2006-04/msg00411.html (9,221 bytes)
133. Re: [TenTec] help/paint (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Wed, 12 Apr 2006 23:32:42 -0400; Just in case it might help....the formula for the TenTec grey (Omni V, VI etc.) from the Autobody Supply Co. in Rome Ga. is MBC34353**A. The colorimeter program is probably widely used, and might the; /archives//html/TenTec/2006-04/msg00413.html (9,150 bytes)
134. Re: [TenTec] A waste of money (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Thu, 13 Apr 2006 22:56:53 -0400; Sherwin Williams is not an auto body paint supply house. Body shops typically get paints matched in quantities as small as a pint. That is why I recommended a body shop/paint supply house. You eviden; /archives//html/TenTec/2006-04/msg00428.html (8,856 bytes)
135. [TenTec] need schematic (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Thu, 25 May 2006 19:24:14 -0400; I need a schemat for the Pyramid PS-20 power supply. If anyone has one they can scan I would appreciate it. k4dpk@comcast.net Thanks much. Phil VFO Stabilizers and PEP adapters for wattmeters...Check; /archives//html/TenTec/2006-05/msg00660.html (6,836 bytes)
136. Re: [TenTec] Roofing Filters (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 29 May 2006 17:20:22 -0400; I thought the term "Roofing Filter" was meant to describe a filter immediately following a mixer stage, its purpose being to shave off unwanted mixer products before any post-mixer amplification. Phi; /archives//html/TenTec/2006-05/msg00749.html (10,342 bytes)
137. Re: [TenTec] Lousy eham review (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 3 Jul 2006 22:12:42 -0400; Occasionally, one happens to buy a radio that is just a little smarter than the buyer. Phil VFO Stabilizers and PEP adapters for wattmeters...Check out http://home.comcast.net/~k4dpk -- Original Mess; /archives//html/TenTec/2006-07/msg00047.html (8,663 bytes)
138. Re: [TenTec] Low output on Centruion after lightning (score: 134): Author: "Phil Chambley, Sr." <k4dpk@comcast.net>; Date: Mon, 10 Jul 2006 22:05:28 -0400; Are both tubes lit? Phil VFO Stabilizers and PEP adapters for wattmeters...Check out http://home.comcast.net/~k4dpk -- Original Message -- From: "Billy Cox" <aa4nu@ix.netcom.com> To: "Discussion of T; /archives//html/TenTec/2006-07/msg00234.html (9,762 bytes)
139. Re: [TenTec] Sick 580 Delta (score: 134): Author: "Phil Chambley Sr." <k4dpk@comcast.net>; Date: Thu, 1 Nov 2007 21:51:05 -0400; Don't try to remove the board if one of the diodes has failed (and it most likely has). Look and make mental note of the polarity direction, then reach in with pliers and crush the diode. This leaves; /archives//html/TenTec/2007-11/msg00037.html (8,077 bytes)
140. [TenTec] error (score: 134): Author: "Phil Chambley Sr." <k4dpk@comcast.net>; Date: Mon, 5 Nov 2007 19:44:19 -0500; Sorry...I was trying to forward the Motorola article to a friend. _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinf; /archives//html/TenTec/2007-11/msg00124.html (6,486 bytes)

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