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1. [Amps] Touch screen LCD module (score: 1): Author: "G0RUZ_Conrad" <conrad@g0ruz.com>; Date: Mon, 7 Nov 2005 12:24:15 -0000; Hello. A fellow student at University wishes to design and build a self contained antenna positioner mainly for eme systems. He would like to use a lcd display with a programmable touch facility. Can; /archives//html/Amps/2005-11/msg00086.html (7,011 bytes)
2. Re: [Amps] Grounded Screen 4CX1500B (score: 1): Author: "G0RUZ_Conrad" <conrad@g0ruz.com>; Date: Mon, 7 Nov 2005 12:58:56 -0000; Shawn I operated the 2m amp for several years on eme. There was a problem with the 3rd harmonic which appeared to be a result of cavity resonances in the output compartment. I cured it with a 100 ohm; /archives//html/Amps/2005-11/msg00091.html (13,503 bytes)
3. Re: [Amps] Help ID tube (link to pix) (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Sun, 20 Nov 2005 20:06:29 -0000; The tube is a GS35B, there is copious amounts of data on the nd2x site www.nd2x.net . I have built a number of 50 and 144 MHz using the tube as have countless others. 73 Conrad G0RUZ ________________; /archives//html/Amps/2005-11/msg00386.html (9,463 bytes)
4. [Amps] IEEE 488/ GPIB module wanted for TDS-220 scope (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Fri, 6 Jan 2006 22:01:00 -0000; Does any have for sale or know where I may obtain (cheaply) a TDS2CM module for my TDS 220 scope. Regards Conrad G0RUZ _______________________________________________ Amps mailing list Amps@contestin; /archives//html/Amps/2006-01/msg00225.html (6,790 bytes)
5. Re: [Amps] 3dB Hybrid coupler (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Tue, 17 Jan 2006 23:57:32 -0000; The article is here : http://www.pa3csg.hoeplakee.nl/Boek/BoekH1/art1-26.html This works very well on 432, I have tried it to see if the principle works. I used RG 142 B/U which didn't get that warm; /archives//html/Amps/2006-01/msg00439.html (8,577 bytes)
6. [Amps] Alpha 6 amplifier (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Thu, 19 Jan 2006 04:54:06 -0000; Can anyone tell me anything about the Alpha 6 6m amplifier? I found a reference on a Japanese site saying that it uses an innovative stripline tank circuit. I am intrigued, are there any photographs; /archives//html/Amps/2006-01/msg00462.html (6,444 bytes)
7. [Amps] GU78B and socket for sale (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Fri, 20 Jan 2006 06:58:12 -0000; I have a tested (3.5kW out at 144 MHz) and working GU78B and socket for sale if anyone is interested. I may be willing to do swaps for certain items of test equipment. Please send sensible offers if; /archives//html/Amps/2006-01/msg00480.html (6,939 bytes)
8. [Amps] OT : The word rookie (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Mon, 23 Jan 2006 23:43:06 -0000; Interesting word that Rookie, does anyone know it's origin? I have had a look on the web and I am not convinced so far. Does anyone actually know? Sorry for the OT but I have wondered for so many yea; /archives//html/Amps/2006-01/msg00554.html (8,440 bytes)
9. Re: [Amps] measuring rf colis (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Wed, 25 Jan 2006 02:15:11 -0000; Don't MFJ recommend putting a known value capacitor in parallel with the coil and measuring the resonance? Then as you know the capacitors value ± 5% and the MFJ frequency ± 5% you shou; /archives//html/Amps/2006-01/msg00597.html (10,074 bytes)
10. Re: [Amps] IMD numbers for Russian tubes (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Tue, 31 Jan 2006 19:10:59 -0000; They are much better than anything that you are likely to have as a driver Theo. Based on anecdotal evidence (I have never measured one myself) I believe the GS35B to be 4-6 dB worse on 3rd order IMD; /archives//html/Amps/2006-01/msg00771.html (8,655 bytes)
11. Re: [Amps] Amp for sale on eBay (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Thu, 2 Feb 2006 22:57:07 -0000; Will sorry for being pedantic but that is NOT a word :-) Conrad G0RUZ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinf; /archives//html/Amps/2006-02/msg00032.html (10,486 bytes)
12. Re: [Amps] combining solid state amplifiers. (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Thu, 23 Feb 2006 23:00:40 -0000; The easiest way to do this is to use a ring or rat race coupler, here is an article. I have used this technique successfully on briefly on 432, 1296 and most recently (this week!) on 2320 MHz. Here i; /archives//html/Amps/2006-02/msg00472.html (8,313 bytes)
13. Re: [Amps] 3CX3000 input impedence (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Mon, 27 Feb 2006 18:39:27 -0000; I think that keeping the loaded Q to between 12 and 15 will be extremely difficult with a 3CX3000A7 at 50 MHz due to stray C. There is a program called T.A.P by KD9JQ which will help with this design; /archives//html/Amps/2006-02/msg00624.html (10,367 bytes)
14. Re: [Amps] figuring tube output impedance (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Mon, 27 Feb 2006 18:48:27 -0000; I would NOT run 3.9 kV on a GU84b, that is way too high, I have used the GU78B and I wouldn't run that much HT on a GU78B and it is a considerably better tube. Look at this http://www.nd2x.net/gu84b.; /archives//html/Amps/2006-02/msg00628.html (8,891 bytes)
15. Re: [Amps] figuring tube output impedance (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Mon, 27 Feb 2006 21:41:42 -0000; Hi Chuck wow that's a lot different from the datasheets that I have seen. Of course my experience is at VHF with the GU78B. I wonder what the 'true' data is? I have always believed the data on the ND; /archives//html/Amps/2006-02/msg00644.html (12,297 bytes)
16. [Amps] 8877 FS (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Tue, 7 Mar 2006 00:38:37 -0000; I have a 8877 tested to 2kW output on 50 MHz for sale, this is a very low usage MRI guaranteed pull, it is in excellent cosmetic condition and is guaranteed to work 100% I would like £185 GBP f; /archives//html/Amps/2006-03/msg00144.html (6,871 bytes)
17. Re: [Amps] correctness? who decides? (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Wed, 29 Mar 2006 21:11:48 +0100; Jeez dude I gotta laugh when I see talk of the correct use of the English language from any 'mercan:-) Just kidding! Honest! I haven't been picking up my emails for a few days but I must say that the; /archives//html/Amps/2006-03/msg00748.html (10,026 bytes)
18. Re: [Amps] Paypal only (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Thu, 13 Apr 2006 15:46:56 +0100; What test equipment doesn't belong on this reflector! So how are we supposed to test our amplifiers? Paypal doesn't that for sure but test equipment? 73 Conrad G0RUZ _________________________________; /archives//html/Amps/2006-04/msg00224.html (9,552 bytes)
19. [Amps] FW: GS35b burn in? (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Fri, 2 Jun 2006 15:24:16 +0100; I sent this directly to you Andy but I appear not to be on your white list and was rejected. I suppose that I will get over the trauma. I suggest that people read the following link on tube reconditi; /archives//html/Amps/2006-06/msg00044.html (7,364 bytes)
20. Re: [Amps] R. MEASURES PRAYERS ANSWERED (score: 1): Author: "Conrad_G0RUZ" <conrad@g0ruz.com>; Date: Sun, 4 Jun 2006 00:53:35 +0100; Rich could you add a glossary of terms to your website for the monolingual such as I? I know what pure unsliced bologna and taurine feculence is but this one has me beat. Am I correct to infer that i; /archives//html/Amps/2006-06/msg00070.html (9,443 bytes)

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