[TenTec] Problem with Orion 2 driving an Ameritron 811H Linear

[Ron Castro]

The website says the AT1500DT has an 'active peak/peak hold' meter.  As 
Jerry said, tune up the amp at 500 Watts CW, then run the output of the O2 
until the Palstar shows 500 Watts peak out.

            Ron N6IE
       www.N6IE.com

----- Original Message ----- 
From: "Tom" <sail8 at verizon.net>
To: <geraldj at weather.net>; "Discussion of Ten-Tec Equipment" 
<tentec at contesting.com>
Sent: Monday, February 08, 2010 7:47 PM
Subject: Re: [TenTec] Problem with Orion 2 driving an Ameritron 811H Linear


> Hi Jerry,
>
> I am using the power reading on my Palstar AT1500 tuner. It's manual 
> doesn't
> say if it is reading peak or average, but the troubling thing is, the 
> IC765
> is able to make that watt meter read 500 watts while the Orion II can only
> push it to 300 and that is sad.
>
> Thanks for the input.,  Tom
>
> ----- Original Message ----- 
> From: "Dr. Gerald N. Johnson" <geraldj at weather.net>
> To: <tentec at contesting.com>
> Sent: Monday, February 08, 2010 8:13 PM
> Subject: Re: [TenTec] Problem with Orion 2 driving an Ameritron 811H 
> Linear
>
>
>> On Mon, 2010-02-08 at 19:46 -0500, Tom wrote:
>>> I am using an Ameritron 811H. If I use anymore drive power the linear
>>> meter
>>> current readings are right near the Red Line areas.
>>
>> Try tuning the amp for maximum output, and mostly ignoring the current
>> readings. Its easy to tune a grounded grid linear for DC readings and
>> not get a whole lot of power. The worst example I've ever seen was a
>> Henry 2K3 putting out 200 watts with 100 watts (peak) drive. After I
>> tuned it for maximum out I had to back off the drive to get down to 1500
>> watts out and the DC readings were the same. The change was noticed in
>> Nam the next day just by the improved signal on a MARS phone patch link.
>>
>> Now are you looking at average or peak power? Average sometimes is
>> thought of as talk power, but it depends a great deal on the relative
>> phase responses of the microphones, filters, and voices and where the
>> various tones in the output line up to make peaks or not. Its really
>> only valid to compare peak powers in SSB voice without having a
>> standardized set of microphone, filter, and voice.
>>>
>>> Tom
>>>
>> 73, Jerry, K0CQ
>>
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>
>
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