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1. [Amps] Best wishes (score: 1)
Author: (Guillermo)
Date: Mon, 23 Dec 2002 21:44:31 -0300
Hello all, I want to wish allof you a Merry Christmas and a happy 2003. Thanks also you all for the help you've given to me. 73's & DX de LU8EYW. Guillermo.
/archives//html/Amps/2002-12/msg00260.html (6,198 bytes)

2. [Amps] Re: AB1 v. AB2 (score: 1)
Author: (Guillermo)
Date: Sat, 30 Nov 2002 15:26:14 -0300
Which may be the reason for this?. Practical?. ** with AC coupling, grid-current flows into the grid bias supply. Anyway, with AC coupling it must have a DC return somewhere. Best regards Guillermo
/archives//html/Amps/2002-11/msg00418.html (7,828 bytes)

3. [Amps] Re: Amps digest, Vol 1 #357 - 15 msgs/INRUSH CURRENTPROTECTION (score: 1)
Author: (Guillermo)
Date: Thu, 31 Oct 2002 23:20:14 -0300
Is this light bulbe system effective?, because at first bulbe's filament exhibits a very low resistance, increasing then as it gets hot. At least for a very short time, I figure this will allow a hig
/archives//html/Amps/2002-10/msg00000.html (9,679 bytes)

4. [Amps] Ameritron parasitic suppressor (score: 1)
Author: (Guillermo)
Date: Sun, 01 Sep 2002 16:44:59 -0300
Hello all. I have a question about something at all very new for me; I was looking the article regarding quieter fans (hENRY 2K-3 FAN NOISE - Additional information), and saw this jpg : http://www.ha
/archives//html/Amps/2002-09/msg00007.html (6,898 bytes)

5. [Amps] Tank tweaking - plate choke (score: 1)
Author: (Guillermo)
Date: Mon, 23 Sep 2002 00:11:55 -0300
A question, ¿is 225 uH inductance enough for the plate choke at 160? (taking in care 3200 ohms plate load..) Best regards Guillermo. Bill Coleman escribió:
/archives//html/Amps/2002-09/msg00194.html (8,176 bytes)

6. [Amps] meter internal R value, quick and easy. (score: 1)
Author: (Guillermo)
Date: Sat, 03 Aug 2002 14:27:50 -0300
skipp isaham escribió: So if one use a no auto range DMM (or just inhibit this function) would be ok, or not?. Or is there another consideration to take care?. Best regards Guillermo - LU8EYW.
/archives//html/Amps/2002-08/msg00046.html (9,191 bytes)

7. [Amps] ALPHA 77 (score: 1)
Author: (Guillermo)
Date: Sun, 04 Aug 2002 22:28:42 -0300
Hello Phil: Phil Clements escribió: I've read in a book to decrease output nearly 2% (may be the same thing) to achieve better linearity, but, do you increase or decrease capacitance of loadin
/archives//html/Amps/2002-08/msg00060.html (8,679 bytes)

8. [Amps] Re: [Kenwood] TS-850 problem (score: 1)
Author: (Guillermo)
Date: Sat, 24 Aug 2002 23:45:32 -0300
If I'm not wrong, there's an internal attenuator pad, only active in that portion of the band; perhaps somebody take it out to achieve more sensitivity; anyway, ¿if you push 6, 12..18 dB atten
/archives//html/Amps/2002-08/msg00259.html (7,126 bytes)

9. [Amps] Mica Capacitors (score: 1)
Author: (Guillermo)
Date: Sat, 13 Jul 2002 22:29:18 -0300
Hello all, I plan to build a small linear, with one 813 tube. I'm collecting all sort of junk box components, and in this search I found an old TU-6B (or 5B? don't recall exactly, range upto 3 MHz. o
/archives//html/Amps/2002-07/msg00179.html (7,055 bytes)

10. [Amps] Mica Capacitors (score: 1)
Author: (Guillermo)
Date: Sun, 14 Jul 2002 19:10:47 -0300
Well, thank you all for your replies; in my case, it's somehow Colin says, I must use what I have at hand (better economics has been blowed away as you may know). So I'll use but not stress them; the
/archives//html/Amps/2002-07/msg00190.html (7,339 bytes)

11. [Amps] RE: The Great Equalizer (score: 1)
Author: (Guillermo)
Date: Tue, 23 Jul 2002 20:14:26 -0300
This thread became off topic to the list. Now, regarding the subject, I think that he's not a true radio amateur; the best is that with the advent of Internet, ham bands are day after day more clean
/archives//html/Amps/2002-07/msg00447.html (8,327 bytes)

12. [Amps] Muffin Fan on Swan Mark 1 (score: 1)
Author: (Guillermo)
Date: Wed, 24 Jul 2002 12:34:14 -0300
My thought is not scientific also, but I believe the added fan creates an air depression inside which alleviates internal fan's load, and so maybe it turns faster. Just a guess. Best regards Guillerm
/archives//html/Amps/2002-07/msg00459.html (9,019 bytes)

13. [Amps] P600M diodes in HT supplies (score: 1)
Author: (Guillermo)
Date: Wed, 01 May 2002 01:33:41 -0300
Richard escribió: Please, can you tell why? TIA Guillermo.
/archives//html/Amps/2002-05/msg00002.html (8,879 bytes)

14. [Amps] al-1500 parasitic?? or some other problem? (score: 1)
Author: (Guillermo)
Date: Tue, 14 May 2002 18:53:28 -0300
Hello all: Richard escribió: I'll ask something not directly related with the main thread. I've seen a a friend who made his own amplifier with one 813 (don't laugh, may be qrp for you, but fo
/archives//html/Amps/2002-05/msg00200.html (10,077 bytes)

15. [Amps] Re: [Amps] Non-linear subharmonics was: Nonsense,AL-1500parasitic (score: 1)
Author: (Guillermo)
Date: Tue, 21 May 2002 11:09:12 -0300
Hello all: "" escribió: Maybe it is "how is called" a nonlinear unwanted effect, which result in an F/2 frequency generation, as referenced by Mr. Thompson in a prior message. I ag
/archives//html/Amps/2002-05/msg00331.html (8,382 bytes)

16. [Amps] NCL-2000 question (score: 1)
Author: (Guillermo)
Date: Sat, 06 Apr 2002 19:10:10 -0300
Most probably a metering circuit wiring fault (or bad contact switch). Besides, do you or anybody in this list have a scanned circuit schematic of this linear? (jpg, gif, or an address where I can I
/archives//html/Amps/2002-04/msg00219.html (7,709 bytes)

17. [Amps] METER HELP (score: 1)
Author: (Guillermo)
Date: Sun, 07 Apr 2002 18:40:06 -0300
Hello Bob: the meter has a shunt resistance in parallel with the "real" instrument to extend its current range. You must take it out, then measure the full scale deflection current of the meter. I gu
/archives//html/Amps/2002-04/msg00230.html (8,728 bytes)

18. [Amps] TS-440S Update (score: 1)
Author: (Guillermo)
Date: Tue, 16 Apr 2002 02:09:50 -0300
Richard escribió: Thanks for your answer, Richard; from my point of view (my knowledge), what you win is less circulating currents all around the output stage (less I2R losses); what I want to
/archives//html/Amps/2002-04/msg00378.html (9,170 bytes)

19. [Amps] Yaesu FL 2100B (score: 1)
Author: (Guillermo)
Date: Tue, 16 Apr 2002 19:33:22 -0300
Hi all, ¿is there an advisable lenght (or a maximum/minimum) for the RF input coax to feed RF power from exciter to this linear?. It has a GG class B pair of 572B, PI input. I've heard/read so
/archives//html/Amps/2002-04/msg00390.html (6,259 bytes)

20. [Amps] SB-220 Manual (score: 1)
Author: (Guillermo)
Date: Tue, 30 Apr 2002 18:01:34 -0300
Hello Mike, check this url: You will also find useful information and many upgrades for the SB220. 73's & DX de LU8EYW Guillermo. Mike escribió:
/archives//html/Amps/2002-04/msg00604.html (7,059 bytes)

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