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Re: Hum help (Was Radio Shack Attenuators)



Bigger supplies like yours sometimes
use screws to attach the wires to the filter cap.
I have seen cases where the screws were loose and the wires were simply not
making good contact

----- Original Message ----- 
From: "Reicher, James" <JReicher@hrblock.com>
To: <amsat-bb@AMSAT.Org>
Sent: Thursday, November 06, 2003 10:55 AM
Subject: [amsat-bb] Hum help (Was Radio Shack Attenuators)


Speaking of blank stares, I've got a 12V, 20 amp power supply that is
generating a hum.  I understand that I can put a capacitor across the
positive and negative terminals.  How big a capacitor should I use?

73 de N8AU, Jim in Raymore, MO

-----Original Message-----
From: vlfiscus@mcn.net [mailto:vlfiscus@mcn.net]
Sent: Thursday, November 06, 2003 9:32 AM
To: amsat-bb@AMSAT.Org
Subject: Re: [amsat-bb] Radio Shack Attenuators


-----Original Message-----
From: Jim Jerzycke <kq6ea@pacbell.net>
Sent: Nov 5, 2003 1:25 PM
To: amsat-bb@AMSAT.Org
Subject: [amsat-bb] Radio Shack Attenuators

Somebody requested this info off the list, but my reply bounced, so I'll
post it here for those that don't have a catalog, and do have the
typical clueless Radio Shack employees at their local store.




HA,

Radio Shack, You got questions, we got blank stares.



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