Woops! Thanks for the correction, Bob. I should have said "using the TUNE and
LOAD controls as per the manual." My purpose was to point out the usefulness
of a monitor scope in keeping a signal linear.
Regards,
Scott K4VWK
---------- Original Message ----------------------------------
From: Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>
Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 24 Feb 2006 22:28:50 -0600
>Right way and wrong way. First be sure you are on the correct antenna and
>the SWR is 2:1 or less. Be sure the amp bandswitch is on the correct band.
>Also, preset the TUNE and LOAD controls per the suggested values in the
>manual.
>
>For amps like the Centurion apply an amount of drive, 10 to 30 watts, and
>adjust TUNE and LOAD controls, in that order, for max output. Continue by
>increasing the drive and touching up tuning and load controls for max output
>until maximum rated plate current {never exceed 800 ma absolute max}and
>maximum rated grid current {260 ma max} are obtained. Do not apply more
>drive if either of these maximum values are reached. TUNE controls plate
>current and LOAD controls grid current. If you wish to operate at lower
>power then reduce the drive to attain the power you desire. Do not retune
>the amp. Let the transceiver ALC do its job and control power for SSB or CW
>operation.
>
>If you do not have adequate drive to get the amp to maximum values of 800 ma
>plate current and 260 ma of grid current, then apply all the drive you have
>and tune for max output but never so as to exceed the max values for plate
>and grid.
>
>73
>Bob, K4TAX
>
>
>
>----- Original Message -----
>From: "Scott Harwood" <scotth@hsc.edu>
>To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
>Sent: Friday, February 24, 2006 10:51 AM
>Subject: Re: [TenTec] Tuner and amp
>
>
>
>Bob:
>
>I also have an Orion II and Centurion. I tune the Centurion to resonance
>using the Orion TUNE button. I then use a monitor scope with triangle
>pattern to adjust the Centurion Load control and Orion audio drive to obtain
>max linearity. The Centurion output leds read around 600 watts out on ssb
>voice. Don't know how proper this is, but works for me. If anyone out
>there has a better method, let us know.
>
>Scott K4VWK
>---------- Original Message ----------------------------------
>From: "Chortek, Robert L" <robert.chortek@berliner.com>
>Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>Date: Fri, 24 Feb 2006 08:31:35 -0800
>
>>I have an Orion II and a Centurion, which work very well together. No
>>surprise there, hi.
>>
>>What does it mean to tune up the linear as normal with maybe 50-75 watts
>>and "then adjust the ALC adjustment until the power output goes to
>>maximum." I don't understand the quoted part and I will probably be
>>embarrassed when I get an answer!
>>
>>Thanks for the help,
>>
>>73,
>>
>>Bob/AA6VB
>>_______________________________________________
>>TenTec mailing list
>>TenTec@contesting.com
>>http://lists.contesting.com/mailman/listinfo/tentec
>>
>
>
>
>
>
>_______________________________________________
>TenTec mailing list
>TenTec@contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
>
>
>_______________________________________________
>TenTec mailing list
>TenTec@contesting.com
>http://lists.contesting.com/mailman/listinfo/tentec
>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|