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Total 284 documents matching your query.

81. [Amps] Ameritron QSK Boards (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 15 Jan 2013 21:14:21 -0800
Shameless plug... But I know several of you have been asking. The Ameritron AL-82, AL-1200 and AL-1500 QSK Board is now ready: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=281052105248 73 and t
/archives//html/Amps/2013-01/msg00092.html (6,672 bytes)

82. Re: [Amps] Ameritron AL-1500 inquiry (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 24 Jan 2013 18:45:12 -0800
The QSK mod is not only for QSK. It also makes the relays nice and quiet! And also very fast. This keeps the amplifier from hot switching and prevents arcs in the tuning capacitor and worse, the band
/archives//html/Amps/2013-01/msg00148.html (9,378 bytes)

83. Re: [Amps] 500 uh plate choke (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 25 Jan 2013 19:03:04 -0800
I'm about tired of this moderated list too. Takes DAYS for posts to show up which looses it luster after a while. If they even do show up. Which this one probably won't. 73 Jim W7RY --Original Messag
/archives//html/Amps/2013-01/msg00157.html (10,107 bytes)

84. Re: [Amps] 500 uh plate choke (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 25 Jan 2013 17:25:25 -0800
Oh please Carl! 73 Jim W7RY I wouldnt worry about that Rob, JI never gives credit for ideas he steals and puts on his pages anyway. Carl KM1H I was quick to credit W8JI in a subsequent post--I certai
/archives//html/Amps/2013-01/msg00158.html (11,088 bytes)

85. Re: [Amps] Ameritron band switch repair (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 3 Feb 2013 20:27:05 -0800
There is a green wire coming out of the input circuit enclosure and it looks like it was solder to a lug near the band switch but is now just hanging there. Was this there to ground out the 10M input
/archives//html/Amps/2013-02/msg00029.html (7,812 bytes)

86. [Amps] SB-200 QSK Board Now Available (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 4 Feb 2013 21:18:07 -0800
The W7RY SB-200 QSK Board is now available: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=281061163050 Thanks for the bandwidth! 73 Jim W7RY _______________________________________________ Amps
/archives//html/Amps/2013-02/msg00041.html (6,730 bytes)

87. Re: [Amps] 50v power supply options for SS amps (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 5 Feb 2013 18:06:06 -0800
Except for the control, voltage adjustment and metering. The later ones would be pretty difficult to try to run without a chassis and control. Unless you have a detailed schematic of both the rectifi
/archives//html/Amps/2013-02/msg00049.html (10,689 bytes)

88. Re: [Amps] Ameritron band switch repair (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 5 Feb 2013 18:07:37 -0800
CAUTION! Buying a NEW D550, you will be disappointed. They are now rated much less that 240/335. Be careful and look at the rating before you buy! 73 Jim W7RY Who said anything about a D550 for a ban
/archives//html/Amps/2013-02/msg00051.html (13,193 bytes)

89. Re: [Amps] SB-200 QSK Board Now Available (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 5 Feb 2013 18:09:08 -0800
Sorry... The new link is: http://www.ebay.com/itm/281061284077 73 Thanks Jim W7RY The W7RY SB-200 QSK Board is now available: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=281061163050 Thanks fo
/archives//html/Amps/2013-02/msg00052.html (8,044 bytes)

90. Re: [Amps] Ameritron band switch repair (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 8 Feb 2013 10:43:18 -0800
I just bought an original D550 (240-335 watts) on EBay. Check the label! 73 Jim W7RY The current D550 is rated 260W/200W. If that's not enough, you can step up to the D650, which is rated 300W/200W.
/archives//html/Amps/2013-02/msg00066.html (9,861 bytes)

91. Re: [Amps] hot keying the amp? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 11 Feb 2013 17:44:07 -0800
Take a look here on how to measure QSK circuits and your radio: http://www.w0qe.com/amplifier_timing.html You need to measure the radio and the amplifier response. What radio are you using? Have you
/archives//html/Amps/2013-02/msg00092.html (9,471 bytes)

92. Re: [Amps] hot keying the amp? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 11 Feb 2013 20:10:57 -0800
With todays modern transceivers, there is really no reason to use key in and key out. I have measured the RF vs. amplifier keying line, (both relay and solid state amplifier PTT) on lot of rigs. With
/archives//html/Amps/2013-02/msg00094.html (10,747 bytes)

93. Re: [Amps] hot keying the amp? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 15 Feb 2013 15:10:19 -0800
Agreed. 73 Jim W7RY With good speed on the amplifier relays, (3 ms) there is really no reason to use key in an key out. Most rigs are 5-10 ms after the amplifier switching relay energizes till RF sta
/archives//html/Amps/2013-02/msg00121.html (13,210 bytes)

94. Re: [Amps] Ten Tec Titan 425 Fuses Blew (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 19 Feb 2013 18:02:58 -0800
Shorted Titan transformers are fairly common. I happen to have one myself. I'm planning on getting it re-wound. 73 Jim W7RY I had almost the same thing happen. I got 20 amp fuses from the hardware st
/archives//html/Amps/2013-02/msg00158.html (9,289 bytes)

95. Re: [Amps] Peter Dahl transformers (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 19 Feb 2013 17:56:04 -0800
I am sure that most of the RTTY contest community is happy that this mode has not grabbed your fancy. ROTFLMBO 73 Jim W7RY I am sure that most of the RTTY contest community is happy that this mode ha
/archives//html/Amps/2013-02/msg00159.html (18,826 bytes)

96. Re: [Amps] Coils for vacuum relays (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 1 Mar 2013 11:27:53 -0800
Max Gain Systems has just the coils. 73 Jim W7RY Greetings to all, I am looking for a few 24 volt coils for Jennings/Kilovac, RJ-1/HC-1/2, vacuum relays. I have been unable to locate a source that wi
/archives//html/Amps/2013-03/msg00020.html (8,867 bytes)

97. Re: [Amps] 430-7102-A Transformers (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 2 Mar 2013 13:57:26 -0800
From what? What voltage? 73 Jim W7RY I have a pair of these I'd like to unload. $150.00 each plus shipping. Will ship USPS Priority. Paypal preferred but will work with you on payment methods. They a
/archives//html/Amps/2013-03/msg00029.html (8,126 bytes)

98. [Amps] Henry 3K Key and Schematic (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 8 Mar 2013 21:50:59 -0800
Does anyone know where to get a key for a Henry 3K power supply? Does anyone have a 3K manual in soft copy then can send me? This a plain 3K, not an ultra, 3KA or any other type. Just a 3K. 73 Thanks
/archives//html/Amps/2013-03/msg00106.html (6,608 bytes)

99. Re: [Amps] Unique Henry Classic VHF console amps on QTH (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 10 Mar 2013 19:46:49 -0700
From the NE7X and Radio Dan site: -- 3006B 1990-1992 3CX1200Z7 50-54 MHz Console-HD supply -- 3002A 1983 to 2005 8877/3CX1500A7 144-148 MHz Console-HD supply 73 Jim W7RY --Original Message-- From: Ri
/archives//html/Amps/2013-03/msg00160.html (9,697 bytes)

100. Re: [Amps] Coupling a blower to an air system socket (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 16 Mar 2013 20:46:40 -0700
I like to use conventional cooling. BUT with the blower mounted inside of the amplifier compartment. With strategically placed intake holes, I achieve cooling of the tank and caps where I think it's
/archives//html/Amps/2013-03/msg00229.html (19,950 bytes)

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