Search String: Display: Description: Sort:

Results:

References: [ +from:oz1pif@privat.dk: 40 ]

Total 40 documents matching your query.

1. [Amps] Off Topic: Looking for Trio DM-800 Manual (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Wed, 31 Mar 2004 17:29:31 +0200
Can anybody help with a copy, electronic or paper, of above? I recently acquired a very nice specimen of the TRIO DM-800 Dip-meter, but alas with no documentation. (This is useful for checking resona
/archives//html/Amps/2004-03/msg00363.html (7,219 bytes)

2. [Amps] O.T.: Rupe Goldberg and others (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Tue, 27 Apr 2004 09:57:26 +0200
In Denmark our version was StormP (Robert Storm Petersen, 1882-1949), I wonder who was first? A few of his more than 60,000 cartoons can be seen here: http://sigmund.tveito.com/akk_ja/storm_p/storm_p
/archives//html/Amps/2004-04/msg00228.html (7,140 bytes)

3. Re: [Amps] amps (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Wed, 9 Jun 2004 00:16:12 +0200
essentially only the enclosure, which is smaller for the 2100, which also sports only one transformer otherwise identical Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@privat.dk h
/archives//html/Amps/2004-06/msg00053.html (8,483 bytes)

4. Re: [Amps] Operating position for ex-Soviet triodes? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 25 Jun 2004 18:28:50 +0200
Adam, go ahead! All of these modern tubes have such short elements that it is no problem whatsoever. In th especific case of the Gi7b, I operate one on 144MHz lying down without any problems even at
/archives//html/Amps/2004-06/msg00125.html (8,717 bytes)

5. Re: [Amps] FL2100 (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 2 Jul 2004 08:21:38 +0200
Lionel, That's the rule with this amp. It's a relic from the tube finals days, and they simply didn't pay much attention to this - you had to tune the exciter anyway. If you wan't to improve it, some
/archives//html/Amps/2004-07/msg00009.html (8,397 bytes)

6. Re: [Amps] amps (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Wed, 14 Jul 2004 09:26:59 +0200
Hi Carl the very first model the FL2000, used the former, it was soon replaced by the FL2000B (which is the more common of the two), which uses the 572Bs Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz
/archives//html/Amps/2004-07/msg00070.html (7,995 bytes)

7. Re: [Amps] Svetlana 572B and FL-2100Z (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Sat, 28 Aug 2004 15:26:39 +0200
Alek and Group, There are at least two diverging opinions on that! In some amps like the SB200 they are reportedly behaving quite well, wereas they are quite a handfull in the FL2x00 series of amps,
/archives//html/Amps/2004-08/msg00423.html (8,936 bytes)

8. Re: [Amps] Svetlana 572B and FL-2100Z (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Sat, 28 Aug 2004 16:34:19 +0200
Rich and Group, I was never able to have the 2000B yield more than 300W with the 572Bs, with the QB4/1100 (both grid and screen grounded) and 2900V an the plate it easily gives 700+ on 80m and degrad
/archives//html/Amps/2004-08/msg00428.html (12,479 bytes)

9. Re: [Amps] 572b's (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Sun, 29 Aug 2004 08:44:48 +0200
Hi george, No, if it ain't broke don't fix it! Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@privat.dk http://home24.inet.tele.dk/oz1pif/ Ph. +45 4619 3239 Snailmail: Peter Frenni
/archives//html/Amps/2004-08/msg00440.html (7,831 bytes)

10. Re: [Amps] Transformer in GLA 1000 B : OK for 2xGI 7 ? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Tue, 5 Oct 2004 09:23:45 +0200
Hi All, One Gi7b(T) happily runs 2KV at 350mA (at least mine does on 144MHz) Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@privat.dk http://home24.inet.tele.dk/oz1pif/ Ph. +45 461
/archives//html/Amps/2004-10/msg00042.html (8,896 bytes)

11. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Wed, 20 Oct 2004 17:08:43 +0200
Unlike beautiful women you CAN make a both beautiful AND usable Balun yourself - take a 35mm or bigger 4C65 core and a length of RG400 Coax; wind as many windings on the core as will fit (8 will do n
/archives//html/Amps/2004-10/msg00300.html (12,684 bytes)

12. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Thu, 21 Oct 2004 00:12:05 +0200
-- Original Message -- From: "R. Measures" <r@somis.org> To: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk> Cc: "'Barry Kirkwood'" <bjk@ihug.co.nz>; <amps@contesting.com>; "hermans" <on4kj@skynet.be>; "
/archives//html/Amps/2004-10/msg00325.html (13,797 bytes)

13. Re: [Amps] 5 kw amps -- why? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Thu, 21 Oct 2004 10:30:52 +0200
Hi Guillermo 4C65 is a material designator from "Ferroxcube" (formerly "Philips"), a High Impedance material, primarily designed for RFI suppression, it's generally known as "Type 61" material on the
/archives//html/Amps/2004-10/msg00350.html (14,368 bytes)

14. Re: [Amps] QB4/1100 linear amp circuit (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Thu, 28 Oct 2004 00:28:36 +0200
3000V on the plate will yield approx. 700W output in GG service with both screen and grid tied to ground, depending on frequency. If you need more gain you can lift the screen to 1-200V that will liv
/archives//html/Amps/2004-10/msg00461.html (9,266 bytes)

15. Re: [Amps] QB3-300 Amplifier (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Thu, 28 Oct 2004 13:54:29 +0200
These tubes work very well in GG, see my FL2000 conversion on my homepage below.. (They are low power relatives of the QB3,5/750 and QB4/1100 etc) Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no
/archives//html/Amps/2004-10/msg00479.html (8,410 bytes)

16. Re: [Amps] QB3-300 Amplifier (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 29 Oct 2004 11:50:54 +0200
Alberto, Pls note that g2 always must be at same or higher potential as g1, g2 potential can be used as a very convenient gain regulation. If tied together the gain will be approx. 6-7dB at 2.5KV Vy
/archives//html/Amps/2004-10/msg00496.html (12,030 bytes)

17. Re: [Amps] Tetrodes working as triodes (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 29 Oct 2004 23:26:11 +0200
Guillermo, if you need the added gain the answer is yes, otherwise no... My QB4/1100 in GG, with both grids tied to ground, and 2900V on the plate, gives 700W out for 100W in, which is some 7dB of ga
/archives//html/Amps/2004-10/msg00512.html (9,041 bytes)

18. Re: [Amps] tube flatulence - gettering (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 19 Nov 2004 20:09:36 +0100
Back in the early 60's, I homebrewed an 2xEL84 LF amplifier running some 450V on the anode - way way over spec as I remember (just looked it up: 300V max producing 17W/tube in class B), to produce so
/archives//html/Amps/2004-11/msg00292.html (9,737 bytes)

19. Re: [Amps] Solid state amps (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Fri, 7 Jan 2005 16:24:48 +0100
Is somebody with the ARRL-view CD-ROM for the period, willing to share these articles with the rest of us? I need them badly as we (our club OZ6FRS) are working on a very similar project, using low-c
/archives//html/Amps/2005-01/msg00096.html (8,329 bytes)

20. Re: [Amps] OT: Anyone know of any RF Speech Processor Kits? (score: 1)
Author: "Peter Frenning, OZ1PIF" <oz1pif@privat.dk>
Date: Sat, 15 Jan 2005 16:46:15 +0100
Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@privat.dk http://home24.inet.tele.dk/oz1pif/ Ph. +45 4619 3239 Snailmail: Peter Frenning Ternevej 23 DK-4130 Viby Sj. Denmark ** -- O
/archives//html/Amps/2005-01/msg00272.html (9,511 bytes)

Current List: 1 - 20
Page: [1] [2]
This search system is powered by Namazu