- 1. [AMPS] Bird Wattmeter Error on 160 Meters (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Mon, 1 Jun 1998 00:07:40 -0500
- It only took me 44 years to learn this little tidbit, so I thought I would pass it on as it is of interest to all bird Wattmeter users. The standard Bird HF slugs like we all use are marked 2-30 mhz.
- /archives//html/Amps/1998-06/msg00000.html (7,899 bytes)
- 2. [AMPS] Bird Wattmeter Error on all bands (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Mon, 1 Jun 1998 10:22:18 -0500
- Yes, Tom, your statement is very evident in all Bird publications. You missed my point...in ADDITION to the +/- 5% error, you must add ANOTHER 10% to the power reading when using a 2-30 mhz slug belo
- /archives//html/Amps/1998-06/msg00007.html (8,069 bytes)
- 3. [AMPS] Re: Bird Wattmeter Error vs RF Apps P-3000 (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Tue, 2 Jun 1998 07:17:53 -0500
- My P-3000 is great...meets specs. all bands. I love it; it has been moded into a P-5000. It just requires a software change. (((73))) Phil, K5PC "To do is to be".....Sartre "To be is to do".....Arist
- /archives//html/Amps/1998-06/msg00021.html (7,156 bytes)
- 4. [AMPS] Need Millen HV connectors (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Fri, 5 Jun 1998 15:00:12 -0500
- James Millen is alive and well in Andover, MA. Phone (508)975-2711 I just recently ordered some of the connector sets. They have black, red, and yellow. You can ask for their catalog with your order.
- /archives//html/Amps/1998-06/msg00083.html (8,352 bytes)
- 5. [AMPS] 8877 HV (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Sun, 7 Jun 1998 00:29:28 -0500
- Phil, K5PC "To do is to be".....Sartre "To be is to do".....Aristotle "To be or not to be".Shakespeare "Do be do be do".....Sinatra -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions:
- /archives//html/Amps/1998-06/msg00103.html (7,884 bytes)
- 6. [AMPS] Keying Question; IC-706MKII/Amp (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Sun, 10 May 1998 18:25:16 -0500
- I recently purchased an Icom IC-706MKII and the book does not say what pin on the ACC socket is used to key an amplifier, nor how much current it will sink. Help please! Thanks in advance.... (((73))
- /archives//html/Amps/1998-05/msg00147.html (7,063 bytes)
- 7. [AMPS] Dayton (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Sun, 10 May 1998 22:51:14 -0500
- Please stop by the Emtron Amps booth (#434) and say hi. See the complete line of Emtron amplifiers. Looking forward to seeing you! (((73))) Phil, K5PC "To do is to be".....Sartre "To be is to do"....
- /archives//html/Amps/1998-05/msg00148.html (6,882 bytes)
- 8. [AMPS] More amplifier experiments (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Thu, 28 May 1998 11:33:28 -0500
- Yes, they are, from Surplus Sales of Nebraska. I have made many successful parasitic suppressor for 4-1000A's and 3-1000Z's by winding 3 turns of #12 bus bar wire, 3/4 inch in diameter around a 50 oh
- /archives//html/Amps/1998-05/msg00609.html (10,298 bytes)
- 9. [AMPS] 8877 (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Thu, 28 May 1998 21:42:40 -0500
- The 8877 is used extensively in MRI machines. I was told that th tubes are pulled when they fail or at 20,000 hours I would be leery of any MRI "pull" until it is tested. (((73))) "To do is to be"...
- /archives//html/Amps/1998-05/msg00622.html (7,353 bytes)
- 10. [AMPS] Re: Cooling of Tubes (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Fri, 24 Apr 1998 10:53:48 -0500
- To: <amps@contesting.com> Phil, K5PC "To do is to be".....Sartre "To be is to do".....Aristotle "To be or not to be".Shakespeare "Do be do be do".....Sinatra -- FAQ on WWW: http://www.contesting.com/
- /archives//html/Amps/1998-04/msg00259.html (9,581 bytes)
- 11. [AMPS] TITAN power supply question. (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Sat, 25 Apr 1998 17:01:10 -0500
- Hi Robert, Unhook the B+ line from the output of the diode board and fire up. If fuses still blow, you have shorted or reverse connected diodes. While you have the B+ wire loose, measure with ohmmete
- /archives//html/Amps/1998-04/msg00290.html (8,169 bytes)
- 12. [AMPS] SB-1000 bandswitch damage (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Wed, 11 Mar 1998 14:59:14 -0600
- not This happened to a SB-1000 that I constructed during its first few hours of operation. I agree with Rich on the fix. I installed the entire kit provided by Rich and never had another problem. I w
- /archives//html/Amps/1998-03/msg00185.html (10,347 bytes)
- 13. [AMPS] Sell: Alpha 77SX Amp (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Thu, 12 Mar 1998 00:00:37 -0600
- Immaculate and pristine Alpha 77SX amp. New tubes, case, and many improvements. My personal amp; serial # 3084. Over $1500 spent to make it look good and play right. Less than 100 hours TOTAL air tim
- /archives//html/Amps/1998-03/msg00200.html (6,975 bytes)
- 14. [AMPS] Step Start for AL-80A (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Sun, 15 Mar 1998 21:42:03 -0600
- Snip..... Bad idea...the inrush current needs to be limited until the filter cap. is charged up to 2/3rds its total capacity. A zero current relay is far too fast for this! a resistance must be insta
- /archives//html/Amps/1998-03/msg00316.html (7,854 bytes)
- 15. [AMPS] Re: Drive Level in amplifiers (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Tue, 24 Mar 1998 01:03:59 -0600
- Snip..... Normal voice waveforms have in the vicinity of a 3.5:1 peak to average ratio. This must be taken into account when computing the input impedance to a grounded grid amp. Because as the catho
- /archives//html/Amps/1998-03/msg00377.html (8,906 bytes)
- 16. [AMPS] Re: Input Impedance. (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Tue, 24 Mar 1998 01:28:36 -0600
- Snip.... Your SWR does not change enough to see it because as you lower the input power, you also lower the cathode current, maintaining about the same input impedance. Try this...tune up your amp an
- /archives//html/Amps/1998-03/msg00378.html (8,465 bytes)
- 17. [AMPS] Re: Input Impedance. (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Tue, 24 Mar 1998 08:18:48 -0600
- One is the formula and the other is the explanation. I cannot type math symbols on this keyboard! Sorry. As long as the tube ain't lit or is in cuttoff, it makes no difference. I usually have this ch
- /archives//html/Amps/1998-03/msg00383.html (8,601 bytes)
- 18. [AMPS] Re: Drive Level in amplifiers (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Tue, 24 Mar 1998 21:09:32 -0600
- Snip.... And this is a trade-off between the need for a Rs that will allow the maximum transfer of power over an entire band while providing the needed fly wheel effect, (Trading a little Q for a lit
- /archives//html/Amps/1998-03/msg00398.html (9,573 bytes)
- 19. [AMPS] Formula for GG Input Impedance (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Wed, 25 Mar 1998 13:54:15 -0600
- Since you have disputed the formula for input impedance for a GG class AB2 amplifier: Input impedance equals input drive power divided by peak cathode current squared. (I wrote it out in words...seve
- /archives//html/Amps/1998-03/msg00409.html (7,354 bytes)
- 20. [AMPS] Phantom Capacitor (score: 1)
- Author: philk5pc@connect.net (Phil Clements)
- Date: Thu, 26 Mar 1998 22:48:36 -0600
- Snip.... The big boys (Henry and Creative Electronics) Use fixed doorknobs at C1 and a roller coil. No C1 at all is used on the higher bands. The blocking cap. requirements will be the same, no matte
- /archives//html/Amps/1998-03/msg00440.html (7,546 bytes)
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