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Total 5 documents matching your query.

1. Re: [Amps] switching power supply for tube amplifier (score: 1)
Author: "Hamilton Horta - PY2NI" <py2ni@terra.com.br>
Date: Fri, 14 Sep 2007 17:23:06 -0300
It has been done.... see http://w5jgv.com/amateur_radio.htm Horta PY2NI we EU PS, light, 5.1.00/5119 14/9/2007 08:59 _______________________________________________ Amps mailing list Amps@contesting.
/archives//html/Amps/2007-09/msg00155.html (10,480 bytes)

2. [Amps] How much electrolitic for a HV supply ? (score: 1)
Author: "Hamilton Horta - PY2NI" <py2ni@terra.com.br>
Date: Wed, 26 Sep 2007 08:49:41 -0300
Hi everybody, is there any rule of thumb or whatever to determine the minimum amount of electrolitic caps should one put in a HV power supply? I am building a VHF PA with 1x GI-7B @ 2200V and another
/archives//html/Amps/2007-09/msg00324.html (8,716 bytes)

3. Re: [Amps] How much electrolitic for a HV supply ? (score: 1)
Author: "Hamilton Horta - PY2NI" <py2ni@terra.com.br>
Date: Wed, 26 Sep 2007 11:12:28 -0300
Thanks a lot Peter, these figures are very close to what I thought, actually I was tempted to try (not in a definitive way but just run some tests) with something around 6,7uF (7x 47uF in parallel) b
/archives//html/Amps/2007-09/msg00330.html (11,959 bytes)

4. [Amps] How to measure output power of a 800W vhf amp (score: 1)
Author: "Hamilton Horta - PY2NI" <py2ni@terra.com.br>
Date: Fri, 2 Nov 2007 17:43:57 -0300
Hi guys. I am almost finishing a 2xGI-7b VHF amp and I would like to have a fair reading of the output power. Lots of thoughts crossed my mind, even a simple diode rf probe but I guess it will be dif
/archives//html/Amps/2007-11/msg00025.html (8,059 bytes)

5. Re: [Amps] How to measure output power of a 800W vhf amp (score: 1)
Author: "Hamilton Horta - PY2NI" <py2ni@terra.com.br>
Date: Fri, 2 Nov 2007 17:48:58 -0300
OOOpssss I guess 30 dB is too much attenuation for this (too low RF voltage to be rectified) , well maybe 20 dB would do the job? Horta PY2NI fair simple an so 5.1.00/5155 2/11/2007 11:04 ___________
/archives//html/Amps/2007-11/msg00026.html (9,507 bytes)

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