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Total 1411 documents matching your query.

1. [Amps] ALS-1300... IMD ?? (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 30 Dec 2009 03:19:01 -0800
Gents I understand the new ALS-1300 uses 8 x finals. Are these MRF-150's ?? At 1200 w pep out... that's 150 w pep out per device. That's a bunch. What is the TX IMD on this amp, when running full bor
/archives//html/Amps/2009-12/msg00568.html (6,866 bytes)

2. [Amps] Alpha 78 problem (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Fri, 1 Jan 2010 05:43:14 -0800
a.. I spoke with Ray Heaton about this back when I purchased my first 77Dx. On the Dx/Sx models, the EBS can be defeated by adjusting one potentiometer on the bias board. Plate idling current can be
/archives//html/Amps/2010-01/msg00000.html (7,546 bytes)

3. [Amps] Centurion 160m loading cap. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 9 Jan 2010 23:49:17 -0800
Rob Atkinson ranchorobbo at gmail.com Sat Jan 9 17:07:20 PST 2010 a.. Previous message: [Amps] Macaw PRM-1 manual b.. Next message: [Amps] Ten Tec Centurion c.. Messages sorted by: [ date ] [ thread
/archives//html/Amps/2010-01/msg00068.html (10,578 bytes)

4. [Amps] Millen red /black HV connector's. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Tue, 12 Jan 2010 19:58:14 -0800
k7rdx k7rdx at charter.net Tue Jan 12 19:10:16 PST 2010 -- A.I have 6.4kk applied B. I keep moisture away from my equipment C.My mounting hole is as large as necessary to accomodate mounting D. I don
/archives//html/Amps/2010-01/msg00118.html (8,544 bytes)

5. [Amps] Which HV connector to use. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Tue, 12 Jan 2010 22:24:52 -0800
C connector, HN, or even RG214 with connectors will work fine (commercial TX often use RG214 for 8kv in the States). Otherwise buy a Millen connector & use HV cable- about $20-35 US on Ebay, but chea
/archives//html/Amps/2010-01/msg00130.html (8,250 bytes)

6. Re: [Amps] Millen red /black HV connector's. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 13 Jan 2010 02:44:53 -0800
heck of a large hole in the rear apron.... plus you still require NON-METALLIC screws [like nylon, etc]. In my case, the +6900 vdc arced to the threads of the SS machine screws. [Female 1/2 of millen
/archives//html/Amps/2010-01/msg00136.html (8,861 bytes)

7. [Amps] Single pole Millen HV connectors. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 13 Jan 2010 03:12:11 -0800
. The single-pole Millen connectors are also dangerous because there's nothing to prevent a user from connecting only the B+, with no B-minus or ground return. With a separate RF chassis, switching o
/archives//html/Amps/2010-01/msg00137.html (8,988 bytes)

8. [Amps] Which HV connector to use. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 13 Jan 2010 04:22:06 -0800
had 40 kv rated HV wire available. It consisted of real fine stranded 18 ga wire.. and rigid Teflon jacket. The Teflon jacket was covered with red plastic.. so it all looked very nice. It was not ve
/archives//html/Amps/2010-01/msg00139.html (12,443 bytes)

9. Re: [Amps] Which HV connector to use. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 13 Jan 2010 15:29:09 -0800
have to ..."splice" onto any 24" pigtail. HV supply [ xfmr + FWB] is in one box. Filter caps are in a 2nd box. RF deck is in a 3rd box. HV supply is across the other side of the basement. a purple co
/archives//html/Amps/2010-01/msg00168.html (10,096 bytes)

10. [Amps] Plate chokes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Fri, 15 Jan 2010 00:35:46 -0800
No one appears to have addressed my original query re: servo cancelling the DC in a toroid core. Rather wandering back to the general plate choke topic... So, I'll wander a bit too! While experimenti
/archives//html/Amps/2010-01/msg00200.html (8,445 bytes)

11. Re: [Amps] Plate chokes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 16 Jan 2010 18:00:20 -0800
long. ] I use em all the time for bifilars. I also discovered something a while back. The large Type 43 /77 beads... [ 1" OD x 1/2" ID x 1" long] will slide over the 1/2" rods like a glove ! I slid
/archives//html/Amps/2010-01/msg00223.html (16,958 bytes)

12. [Amps] KK5DR's ferrite loaded plate chokes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 16 Jan 2010 18:59:18 -0800
I Checked a bunch of really old e-mail, and notes. The folk's who duplicated the KK5DR plate choke, using 1/2" type 43 rod, stuffed into the inside of a hollowed out 1" OD Teflon rod had nothing but
/archives//html/Amps/2010-01/msg00224.html (8,401 bytes)

13. Re: [Amps] KK5DR's ferrite loaded plate chokes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 17 Jan 2010 01:41:19 -0800
Powdered iron has less mu, so it wouldn't provide as much uh. Perhaps #2 mix would work. [ red cores] I don't think u can get #2 mix in rods though ? enough MU, to do the job, but I doubt it. The sto
/archives//html/Amps/2010-01/msg00230.html (10,682 bytes)

14. Re: [Amps] KK5DR's ferrite loaded plate chokes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 17 Jan 2010 01:57:18 -0800
I just wound an ameritron look alike with #28. It's larger than they use. I have an original ameritron choke to compare with. I think they must use #29. My resistance was lower using #28 and it was l
/archives//html/Amps/2010-01/msg00231.html (9,827 bytes)

15. [Amps] Baffling DUAL HV problem ! We need some help. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 17 Jan 2010 02:47:47 -0800
Ok, here's one that has myself and a friend really baffled. We decided to try and hang TWO x FWB's and TWO x HV filter caps... both from the SAME plate xfmr. Supply #1 uses a FWB [ 10 x 6A10's per ea
/archives//html/Amps/2010-01/msg00233.html (10,404 bytes)

16. [Amps] Fw: Good amp to buy /amp notes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 30 Jan 2010 01:04:08 -0800
You may be surprised to know that the AL-82 uses the same capacitor vendor with the same plate spacings as the SB-220. It uses the same bandswitch construction as several Dentrons. Generic Modutec me
/archives//html/Amps/2010-01/msg00483.html (11,264 bytes)

17. Re: [Amps] Fw: Good amp to buy /amp notes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 30 Jan 2010 01:44:51 -0800
load. later... Jim VE7RF _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
/archives//html/Amps/2010-01/msg00485.html (8,034 bytes)

18. [Amps] pulse tuning (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 30 Jan 2010 03:49:18 -0800
Bill, W6WRT dezrat1242 at yahoo.com Sat Jan 30 03:34:26 PST 2010 a.. Previous message: [Amps] Fw: Good amp to buy /amp notes b.. Next message: [Amps] Building an Amp & Metalworking is an Art. c.. Mes
/archives//html/Amps/2010-01/msg00490.html (7,902 bytes)

19. [Amps] Metal work. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 30 Jan 2010 05:19:55 -0800
Earlier some one mentioned about building cabinets and metal parts for amps. Some things do come easier for some than others. That's a given, but to build an amp and do all the metal work is difficul
/archives//html/Amps/2010-01/msg00498.html (14,043 bytes)

20. [Amps] Pulse tuning (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 30 Jan 2010 06:10:04 -0800
REPLY: Because tuning with a full carrier and then operating with a normal SSB duty cycle gives you a wee bit of headroom to avoid clipping and splatter. I don't believe in tying to squeeze the last
/archives//html/Amps/2010-01/msg00501.html (8,604 bytes)

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