- 1. Re: [Amps] nylons (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Tue, 15 Mar 2005 08:54:28 -0600
- I had always wondered about testing HF components in a microwave environment. What great information, Dr. David! Many thanks for your trouble to help us be more informed. (((73))) Phil, K5PC _______
- /archives//html/Amps/2005-03/msg00341.html (8,019 bytes)
- 2. Re: [Amps] Parasitic suppression kits (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 19 Mar 2005 16:18:13 -0600
- I wasn't in on earlier communications in this thread, but I can say one thing first hand. I had a persnickity AL-80 that was taking off with a loud firecracker "BANG" about every tenth time I hit the
- /archives//html/Amps/2005-03/msg00422.html (8,183 bytes)
- 3. Re: [Amps] Bird Element Calibration? (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 19 Mar 2005 16:26:08 -0600
- Just a note for my fellow 160 meter operators. The 2-30 mhz Bird slugs are VERY inacurate below 2 mhz. At 1.8 mhz they read so low that you think you have amp problems or terrible efficiency. I once
- /archives//html/Amps/2005-03/msg00423.html (7,887 bytes)
- 4. Re: [Amps] Standby tubes (was: Even more power solid-state amp's) (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 2 Apr 2005 19:05:06 -0600
- Everytime I ever remembered WLW it reminded me of the old TV commercial, "When EF Hutton talks, everybody listens"! I dont recon nothing has ever been built to top it as that amount of power was foun
- /archives//html/Amps/2005-04/msg00049.html (9,485 bytes)
- 5. Re: [Amps] Mine is bigger than yours (was: Re: Standby tubes (was:Evenmore power solid-state amp's)) (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 2 Apr 2005 19:09:58 -0600
- All this WLW stuff is fun, but I believe that VOA still has a few of their 1 megawatt medium-wave transmitters left, and there was a reference in www.worldofradio.com to a 2-megawatt medium-wave stat
- /archives//html/Amps/2005-04/msg00050.html (9,248 bytes)
- 6. Re: [Amps] a common topic here tspa (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Tue, 5 Apr 2005 09:00:12 -0500
- When the 8877 first appeared on the ham scene, there were several construction articles in both the ARRL and Bill Orr Handbooks using the tube sans suppressor. If I remember correctly, the W8JR proje
- /archives//html/Amps/2005-04/msg00101.html (9,491 bytes)
- 7. Re: [Amps] B&W plate choke (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Wed, 13 Apr 2005 12:18:04 -0500
- How can the 802 be 200 uh? It only has about 10 more turns on it than the 800 does. (((73))) Phil Clements, K5PC 800 is 90 UH and the 802 is 200 UH. #26 wire if I remember. I've used both hanging off
- /archives//html/Amps/2005-04/msg00258.html (8,077 bytes)
- 8. Re: [Amps] defense of distributors tspa (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 16 Apr 2005 05:00:48 -0500
- Multiple sweep tubes were the economical way to go back in the '60's-'80's as Radio Shack would replace them for free with lifetime guarantee, no questions asked! Sort of like the Craftsman tool warr
- /archives//html/Amps/2005-04/msg00307.html (8,292 bytes)
- 9. Re: [Amps] Bleeder Resistor Inquiry (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sun, 24 Apr 2005 14:39:32 -0500
- Your bleeder is too small. All you need a bleeder for on a C input filter P.S. is to drain the HV after shut-down. Your 100,000 ohm resistor is flowing 160 ma of current, and just heating itself, you
- /archives//html/Amps/2005-04/msg00491.html (10,176 bytes)
- 10. Re: [Amps] Resistors (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sun, 24 Apr 2005 19:04:05 -0500
- There are too many types of PC boards for me to make a blanket reply. The metal "Z" shaped clips that come with the resistors are okay if you mount them to an insulated surface (plastic, etc.) that i
- /archives//html/Amps/2005-04/msg00504.html (7,840 bytes)
- 11. Re: [Amps] DC Blocking Capacitor (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Tue, 26 Apr 2005 16:53:43 -0500
- To avoid affecting the amplifier's tuning and matching characteristics, the blocking capacitor should have a low impedance at all operating frequencies. It's reactance at the LOWEST operating frequen
- /archives//html/Amps/2005-04/msg00560.html (8,328 bytes)
- 12. Re: [Amps] DC Blocking Capacitor (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Tue, 26 Apr 2005 18:17:05 -0500
- Amen, "R"! I think that so many guys over the years used whatever they had in their junk boxes that looked big enough that a proliferation took place. Sort of like parasitic suppressers...if they wor
- /archives//html/Amps/2005-04/msg00565.html (8,224 bytes)
- 13. Re: [Amps] DC Blocking Cap (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Tue, 26 Apr 2005 21:52:36 -0500
- Not for long...these are the old TV caps from years ago. They are great for bypass purposes. They are relatively low current devices. (((73))) Phil Clements, K5PC I have two Sprague Caps one is a 500
- /archives//html/Amps/2005-04/msg00568.html (6,948 bytes)
- 14. Re: [Amps] DC Blocking Capacitor (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Wed, 27 Apr 2005 02:16:08 -0500
- I'm old, but not that old, Peter, but I think you speak of suseptance, or the ability to pass current. In an ideal capacitor with no heat losses it is the reciprocal of reactance. This has been calle
- /archives//html/Amps/2005-04/msg00573.html (8,646 bytes)
- 15. Re: [Amps] plate chokes little buddy (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sat, 30 Apr 2005 16:14:46 -0500
- These are VHF chokes, typically 20 turns of #20 wire on a 1/2 inch form. The purpose is to prevent any RF not blocked by the plate choke from exiting the RF deck. A small value (10 ohms or so) wire-w
- /archives//html/Amps/2005-04/msg00639.html (7,471 bytes)
- 16. Re: [Amps] Pi or Pi-L (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Mon, 16 May 2005 23:20:50 -0500
- Second harmonic attenuation, and less C2 is required than a pi. A torroid conserves space, and can be mounted next to the chassis. (((73))) Phil Clements, K5PC Other than lower harmonic distortion, w
- /archives//html/Amps/2005-05/msg00202.html (7,249 bytes)
- 17. Re: [Amps] 3cx3000a7 choke (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Sun, 22 May 2005 19:45:56 -0500
- First, we need to know what band(s) you intend to cover. (((73))) Phil Clements, K5PC Hi I like to make the plate choke for HF for the 3CX3000A7,can any one know how many turns and diameter..... many
- /archives//html/Amps/2005-05/msg00258.html (7,468 bytes)
- 18. Re: [Amps] 4-1000 coil inductance (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Wed, 15 Jun 2005 10:31:07 -0500
- Does anyone mind giving a tip on the best coil inductance to shoot for for the 4-1000. The amp deck I revived has a 3.5 inch dia., 5 inch long, 12ga wire coil. I want to wind another one using 1\8 co
- /archives//html/Amps/2005-06/msg00099.html (7,311 bytes)
- 19. Re: [Amps] Kilovac HC-1 vacuum relay source (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Wed, 22 Jun 2005 15:55:04 -0500
- Go to Alan Bond's website. Someone will have to give you the URL, I misplaced it. Phil, K5PC That wont cost me a mint.... I need 2. Thanks George NE2I _______________________________________________
- /archives//html/Amps/2005-06/msg00182.html (7,159 bytes)
- 20. Re: [Amps] Kilovac HC-1 vacuum relay source (score: 1)
- Author: "Phil Clements" <philc@texascellnet.com>
- Date: Wed, 22 Jun 2005 18:18:32 -0500
- That was close enough to jog my memory. Alan calls his company Max Gain Systems. www.mgs4u.com Phil, K5PC www.msg4u.com 73, ... Joe, W4TV (ex K4IK) _______________________________________________ Amp
- /archives//html/Amps/2005-06/msg00185.html (7,234 bytes)
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