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Total 1411 documents matching your query.

141. [Amps] Vac relay sequencing.. [WAS contact bounce] (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 4 Apr 2010 07:11:37 -0700
The RJ-6 is just the 'longer life' version of the RJ-2's that I use all the time. Both relays have identical specs. BOTH have a 18 msec op time.. and a 9 msec rls time. The gigavac eq of em is called
/archives//html/Amps/2010-04/msg00074.html (13,634 bytes)

142. [Amps] Indirectly heated cathodes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 4 Apr 2010 07:33:43 -0700
For the YL105x family of tubes the manufacture suggests to heat it permanently at 3.5V. The nominal heater voltage is 3.8V. The heater voltage of the 4CX10000D in the Racal amps in stand by is heated
/archives//html/Amps/2010-04/msg00076.html (8,092 bytes)

143. [Amps] LCR Meter (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 4 Apr 2010 08:08:12 -0700
Jack, K8ZOA wrote a very in depth review of the AADE L/C IIB recently. The link was published here a few days ago but here it is again http://www.cliftonlaboratories.com/aade_l_c_iib_meter_review.htm
/archives//html/Amps/2010-04/msg00077.html (9,488 bytes)

144. [Amps] Vac relay sequencing.. [WAS contact bounce] (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Mon, 5 Apr 2010 05:07:56 -0700
ORIGINAL MESSAGE: REPLY: Be careful using the Jennings SPDT relays on 10 meters. They are barely adequate for legal limit on 10. We used the Gigavac GH-1 ham, which is the eq of the RJ1-A on the 2 x
/archives//html/Amps/2010-04/msg00089.html (10,978 bytes)

145. [Amps] contact bounce (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Mon, 5 Apr 2010 05:27:30 -0700
Someone recently described a way to "hot shot" a relay circuit. First...They proposed to double the voltage. Second... Put a resistor in series with the normal speed coil. Third... The faster speed r
/archives//html/Amps/2010-04/msg00090.html (9,490 bytes)

146. [Amps] contact bounce (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Mon, 5 Apr 2010 23:18:29 -0700
I think that Heil make a 2 position footswitch that keys one then the other. [C] speed em both up. later... Jim VE7RF _______________________________________________ Amps mailing list Amps@contesting
/archives//html/Amps/2010-04/msg00147.html (6,506 bytes)

147. [Amps] Hmmmm...Legal limit boiled the oil in the cantena (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 7 Apr 2010 04:45:06 -0700
It's all for show. They don't need near that HP to run them, they don't need nitrous oxide. More than likely the crank broke from the acceleration and extra power from the nitrous oxide. or a 454...
/archives//html/Amps/2010-04/msg00179.html (8,673 bytes)

148. [Amps] pi-net spreadsheet question (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 7 Apr 2010 05:30:16 -0700
pi-net spreadsheet question I'm using the GM3SEK pi-net design spreadsheet <http://www.ifwtech.co.uk/g3sek/>. It requires that you enter the inductance and resistance used in the parasitic suppressor
/archives//html/Amps/2010-04/msg00187.html (11,577 bytes)

149. [Amps] DRAKE L-7 (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 7 Apr 2010 05:59:44 -0700
I am looking at the meter right now in ssb mode and it shows at idle 3600 Plate Volts and zero plate amps. and they are all 2650 vdc no load..... and 2500 vdc @ 800 ma...cxr. 2 kw dc input.. and 1290
/archives//html/Amps/2010-04/msg00188.html (8,175 bytes)

150. [Amps] A 10-4 Good Buddy CB amp on e-bay... (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Wed, 7 Apr 2010 06:48:29 -0700
How bizarre. On the original HT transformer too. That's going to last well.....not :-) Still, his amp, his choice. If you want to buy a new Porsche and graft a tractor engine into it then that's your
/archives//html/Amps/2010-04/msg00192.html (8,895 bytes)

151. [Amps] HV lytic max V ratings..some notes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Fri, 9 Apr 2010 05:13:49 -0700
Somebody was asking abt how high you can safely operate a typ 450 v lytic. Per Cornel dublier's eng notes, buried pretty good, they say..[ and I don't know if this pertains to new ...'wonder caps' th
/archives//html/Amps/2010-04/msg00302.html (9,849 bytes)

152. [Amps] Manual tuned inputs (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Fri, 9 Apr 2010 05:58:35 -0700
I think Larry, W7IUV remarked about not liking manually tuned.. tuned inputs.... as having to have yet one more thing to tweak, when changing bands etc. Using BOTH hands, it takes 45-50 seconds to sw
/archives//html/Amps/2010-04/msg00305.html (10,688 bytes)

153. [Amps] HV lytic max V ratings..some notes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Fri, 9 Apr 2010 06:59:17 -0700
** The Drake secondary is 780/1065 VAC. The Heath is 860/1171 VAC. Where do you get your numbers from? owner's, whose B+ is 3600-3790 vdc.. depending on their line vac. I know of a few.. who moved t
/archives//html/Amps/2010-04/msg00309.html (9,230 bytes)

154. [Amps] HV lytic max V ratings..some notes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 10 Apr 2010 01:49:27 -0700
... don't run em over So, anyone know the technical definition of "working voltage" if it isn't the, um, voltage the capacitor can work at? Don't you just love specsmanship? folks seem to think you
/archives//html/Amps/2010-04/msg00343.html (8,388 bytes)

155. [Amps] A few nice ones on Ebay (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 10 Apr 2010 01:57:17 -0700
Respectfully, I must point out that your analogy breaks down at the point where it isn't illegal to stuff a Hemi into a Mini. I seem to recall a time when 11m was limited to 4 Watts. The FCC used to
/archives//html/Amps/2010-04/msg00344.html (8,216 bytes)

156. [Amps] A few nice ones on Ebay (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sat, 10 Apr 2010 02:25:13 -0700
ORIGINAL MESSAGE: REPLY: An illegal mono band amp. Are you proud of that? 73, Bill W6WRT amp.. that just happens to work on 11m... and got into the wrong hands. Just be glad they are not running ramp
/archives//html/Amps/2010-04/msg00345.html (8,429 bytes)

157. [Amps] A few nice ones on Ebay (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 11 Apr 2010 05:38:53 -0700
REPLY: Have the rules changed? Such a transceiver used to be illegal, i.e. not type-accepted. Has the ARRL "endorsed" an illegal transceiver? Details, please. 73, Bill W6WRT back in the arrl lab /qst
/archives//html/Amps/2010-04/msg00370.html (9,207 bytes)

158. [Amps] HV lytic max V ratings..some notes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 11 Apr 2010 06:24:30 -0700
Yeah, that's what I was always lead to believe. I was told that it is better to run your caps very close to their voltage rating. Dunno if its a wives tale or not. I usually sail pretty close to the
/archives//html/Amps/2010-04/msg00371.html (12,819 bytes)

159. [Amps] HV lytic max V ratings..some notes. (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Sun, 11 Apr 2010 08:24:52 -0700
I usually sail pretty close to the wind. I work on having 1 spare capacitor worth of headroom in a bank. For example, if the dc voltage is 4500V, then I would use 11 x 450VW capacitors in the bank. N
/archives//html/Amps/2010-04/msg00375.html (9,786 bytes)

160. [Amps] HV lytic max V ratings..some notes (score: 1)
Author: "Jim Thomson" <Jim.thom@telus.net>
Date: Mon, 12 Apr 2010 03:26:54 -0700
REPLY: I was told that too, but never heard any real proof. The idea was that an electrolytic is not a static (pun intended) component. The electrolyte is chemically active and will gradually deterio
/archives//html/Amps/2010-04/msg00410.html (9,093 bytes)

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