I recently try using my SB-220 on 15 and 10 meter trying to break a pile up and found it was only putting out only 200 watts Max regardless of grid drive and up to 500 ma Plate Current( saturated out
--part1_15f.467152.28c5609d_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hello All, I have another question. This time about the 3CX800A7 Tube. What is the ma
Has anyone experinced the following problem with thier modified AM-6155 at 432 MHz ?? 1) At higher output power levels and a fix input power, the power output and Plate current drifts UPWARD to a poi
WTB: Bird 43 1000C Element / Slug I am looking for the 1000C Bird 43 Wattmetter Element / Slug. This is the element that covers @ 100 - 250 MHz at covers all the way up to 1 KW in power. Jeff K7XQ --
--part1_126.31afb16.28ace415_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Can anyone tell me what they are using for Idling and Maximum Plate Current on the 8
I recently got a dual 2C39 Amplifier for 1296 Mhz and am trying it out. Many people claim that it is possible to get 300 watts out of a single cavity with a pair of 2C39's. I would like to know how t
--part1_11c.3a336e9.28b8a07b_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hello All, I am trying to build a water cooling system for my pair of 2C39's. I am h
Hello, I just acquired a Heathkit SB-220 Amplifier that uses a pair of 3-500Z Tubes. The specification and manual do not indicate what the maximum allowable Plate and Grid Current can be. The specifi
Does anyone have the email address for: KM1H, K0XP or KO0U ?? Jeff K7XQ http://members.aol.com/k7xq1/k7xq.html -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Admin
--part1_a1.1a81b34b.28bf4495_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I a wondering if someone can help me rebuild a HV Power Supply for a 3CX800A7. I rec
Thanks Carl and others, In studying my ARRL Handbook at basic rectifier circuits and the way it looks like it may have been connected. It strongly looks like a voltage doubler circuit. There are two
--part1_59.f61381c.28c0979c_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Just a note TNX to all who helped me out on my problem. Have HV Power Supply working
--part1_9b.1787f0f8.287a969f_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hello All, Awhile ago, I acquired a AM-6155 and converted it to run on 432 MHz. Appa
--part1_78.174a47c5.287a96d2_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Hello All, I may be acquiring a W1SL 2 Meter Power Amplifier however,
Hello All, I was wondering what the typical power output of a AM-6154 and AM-6155 are ?? There are many reporting that they can get a output as high as 450 watts ( including 432 MHz on the AM-6155 )!
--part1_122.2530b6d.2893d86a_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Hello All, Have a question on water cooling 2C39 Tubes. I am new to water cooling an
--part1_87.ddb0d98.2897a47e_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit WTB: Bird 43 Wattmeter Elements 250E or 500E I am looking for either 250E or 500E Bir