[TenTec] Argonaut 509/515 Filter Question

[Clark Savage Turner]

Pearl!

No, I don't think so, but I'll look into my old files.  I know I have 
some old stuff, but I'm not sure about any PM2's.  I had a PM3a once, 
fine little box.  I'm looking, I'm looking!  Tomorrow I'll check the 
garage.

Clark
WA3JPG

On Feb 13, 2008, at 3:10 PM, Dennis Jones wrote:

> Hi Clark,
>
> Do you have any info on the Ten Tec Power Miter series
> transceivers??  such as schematics and modifications, Have two of
> them (PM-2B's) and they are totally different layouts, Boards, quite
> interesting at best, some bozo get into it and changed a pot load of
> parts, which drove me nuts for a while. Any suggestions?
>
> DJ       K6RCL    aka ( Pearl )
>
>
>
> On Feb 13, 2008, at 12:44 PM, Clark Savage Turner wrote:
>
>> Quick comment, Bill.  I found that replacement of the stock 4 pole
>> filter with a tighter 8 pole filter still results in significant
>> blowby.  I found that putting another 4 pole filter in an earlier part
>> of the circuit eliminated the blowby very well and left me with plenty
>> of signal.  I don't recall exactly where I stuck that extra 4 pole
>> filter in there, but it was not far from the standard filter.
>>
>> Jerry makes a good point, by the way, you can tradeoff a bit of width
>> in the filter for much better ability to hear in some of the worst
>> conditions.  A lesson hard learned in my shack.
>>
>> Clark
>> WA3JPG
>>
>> On Feb 13, 2008, at 12:20 PM, Bill Miner wrote:
>>
>>> Has anyone replaced the stock filters with any of the Inrad units?
>>> How did
>>> the new filters work and how much trouble was it to wire the Inrads
>>> into the
>>> Ten Tec rig?
>>>
>>> The stock filters seem to have very wide skirts or filter blow-by or
>>> maybe
>>> both.
>>
>> Clark Savage Turner, J.D., Ph.D.
>> Professor of Computer Science
>> Cal Poly State University
>> San Luis Obispo, CA. 93407
>>
>> _______________________________________________
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>
> Dennis Jones
> k6rcl at cox.net
>
>
>
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>
Clark Savage Turner, J.D., Ph.D.
Professor of Computer Science
Cal Poly State University
San Luis Obispo, CA. 93407