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Re: [TenTec] [Orion] low audio

To: Bill Tippett <btippett@alum.mit.edu>, "Orion @contesting.com" <orion@contesting.com>, TEN TEC LIST <tentec@contesting.com>
Subject: Re: [TenTec] [Orion] low audio
From: Joe Giacobello <k2xx@swva.net>
Reply-to: k2xx@swva.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 12 Sep 2006 09:33:20 -0400
List-post: <mailto:tentec@contesting.com>
Yes, I have just started using this new feature, but it doesn't seem to affect the reduced audio problem. K7HP seems to have made some reliable measurements confirming substantially reduced audio output vs 1.372.

Also, I posted that that the NR now seems to be working quite well...at least on CW. However, when the ambient QRN level is high, there seems to be marked clipping of the signal. This may be expected, but I haven't experimented enough with the AGC settings to see if it can be eliminated.

73, Joe
K2XX

Bill Tippett wrote:
KB7UP:
 >please put a note on ten tec firm are page
or here as to the agc slope definition flat, 1:10, 2:10.

http://rfsquared.com/cms-files/Orion%20What%5C%27s%20New.pdf

Added AGC Rise control to the DSP and CPU code.

The new AGC system includes a new AGC slope feature that provides a varying audio level in relation to the received signal when the DSP AGC system is active. Stronger signals will appear to be louder and weak signals will appear to be weaker. The AGC Slope function can be adjusted for OFF, 1dB slope or 2dB slope. The 1 or 2 dB slopes refer to the amount of audio rise for each 10dB of signal rise.

                                 73,  Bill  W4ZV

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