Check the February 1991 issue of QEX for an article on a switching power supply
by Timothy Hullick, W9QQ.
2000 volts at 1.5 amperes.
Inrush current less than 1 amp.
Ripple less than 2 volts
No load to full load regulation less than 100 volts
Duty cycle of 100%
100 KHz switching
Weight less than 8 pounds
240 volts, 60 Hz input
There were corrections to the article in the August 1991 issue of QEX.
73, Harry, W3IIT
=================================================
At 07:05 PM 7/26/99 +0200, Maurizio Panicara wrote:
>
>I'm looking for magzine articles or any other resource in order to
>explore this topic and to verify a number of doubts.
>Any kind of information or own experiences is welcome.
>Thank you in advance.
>
>73,
>Mauri I4JMY (one of IR4T)
>
>E-mail: i4jmy@iol.it
>
>
>
>
>
>
>
>
>
>--
>FAQ on WWW: http://www.contesting.com/ampfaq.html
>Submissions: amps@contesting.com
>Administrative requests: amps-REQUEST@contesting.com
>Problems: owner-amps@contesting.com
>Search: http://www.contesting.com/km9p/search.htm
>
>
>
<center>Visit the Mt. Airy VHF Radio Club at:
<underline><color><param>0000,0000,fefe</param>http://www.ij.net/packrats/
</color></underline>Check the June 1999 VHF Contest Photos at the Web
site
Info on VHF/Microwave Nets, Beacons & Subscription to Cheesebits
</center>Beacons at 50.080, 144.284, 222.065, 432.295, 903.071,
1,296.251, 2,304.037, 3456.220, 5,760.200 and 10,368.200 MHz from FM29JW
--
FAQ on WWW: http://www.contesting.com/ampfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|