[Amps] Astron Power Supplies

[Carl]

A scope may not have the resolution to see any. Ask someone with a SDR and 
built in spectrum analyzer to check the signal over a wide bandwidth such as 
DC to daylight.

Carl
KM1H

--------------------------------------------------
From: <donroden at hiwaay.net>
Sent: Wednesday, January 28, 2015 12:00 PM
To: <Amps at contesting.com>
Subject: [Amps] Astron Power Supplies

> Hang a scope on the output.
> look for ripple or oscillations.
>
> Don W4DNR
>
>
>
>
> Quoting Charles Compton <compton3 at centurytel.net>:
>
>> On both of my Astrons, I noticed that the output transistors ran 
>> extremely
>> hot.  Check to make sure that the thermal compound on the transistors and
>> associated insulators is not dried up.  Properly apply fresh compound to
>> ensure adequate heat transfer to the chassis. More is not better and 
>> thermal
>> runaway is not your friend.  This could be your root failure cause.
>> 73
>> Charlie
>> K4BQP
>>
>>
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