Anyone know if this "feature" that Mike describes
applies to the Astron switching supplies (i.e. SS-30M)
as well? They claim to be suitable for comm equipment.
73,
Casey, KS7J
> -----Original Message-----
> From: Michael O. Hyder [SMTP:N4NT@bigfoot.com]
> Sent: Thursday, January 14, 1999 9:53 AM
> To: TenTec@Contesting.com
> Subject: Fw: [TenTec] Alternate PS for Omni VI?
>
>
>
> -----Original Message-----
> From: Michael O. Hyder <N4NT@bigfoot.com>
> To: Jerry W. O'Dell <jwodell@ameritech.net>
To: <tentec@contesting.com>
> Date: Thursday, January 14, 1999 12:51 PM
> Subject: Re: [TenTec] Alternate PS for Omni VI?
>
>
> Hi Jerry--
> If you will examine almost any Astron, you will find that both the
> negative
> and positive outputs are floating from ground. This makes the power
> supply
> more useful for those who might need that, but for us it breeds trouble
> because RF can get into the voltage regulator circuitry.
> I suggest you remove the bolt which provides the negative output, clean
> the
> paint from around the hole where it mounts, and remount the negative
> output
> bolt with no insulators AND using a lockwasher to ensure good electrical
> connection to the chassis. Believe that may well fix your trouble. I
> also
> added RF bypassing to the positive output lead to the chassis in the form
> of
> a .01 mfd capacitor.
> Good luck -
> 73 de Mike N4NT@wireco.net
>
> -----Original Message-----
> From: Jerry W. O'Dell <jwodell@ameritech.net>
> To: JBaumgarte@aol.com <JBaumgarte@aol.com>
To: <tentec@contesting.com>
> Date: Thursday, January 14, 1999 6:51 AM
> Subject: Re: [TenTec] Alternate PS for Omni VI?
>
>
> At 08:38 PM 1/13/99 -0500, you wrote:
> >
> >Casey,
> >
> My experience exactly. Clicks, funny stuff with the astron,
> nice clean signal with the ten tec.
>
> Look in side your astron, and if it's like my 2, there's
> practically no filter capacitor! Aha -- the magical
> solution. The transistor does all the filtering, and
> That's not good!
>
> 73 jerry w8gnd
>
>
>
>
>
>
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