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Re: [TenTec] OT (that is Off Topic and Old Timers) BC-610

To: geraldj@weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] OT (that is Off Topic and Old Timers) BC-610
From: Ken Brown <ken.d.brown@hawaiiantel.net>
Reply-to: ken.d.brown@hawaiiantel.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 02 Sep 2009 18:59:18 -1000
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Well, yes I know you can bias 833 to operate as a linear amp. I just 
don't know whether this particular unit had a setting for that. I got 
the impression that it was primarily a class C, CW or FSK unit. And I 
don't recall a modulator in the box. Just one pair of 833s for RF 
>> There was also an amplifier often paired with the T-368 (and perhaps 
>> earlier with the BC-610) which used a pair of 833s in push pull, with 
>> plug-in tank coils, not band switched. I don't 
>> know if the pair of 833 could be operated as a linear amp, with the 
>> T-368 in AM, or if it could only be used for CW and FSK.
> Depends on bias and drive levels. In broadcast transmitters many a pair
> of 833s were modulated by a pair of 833s to give a KW AM output.
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