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1. [TenTec] Orion Display and Power Distribution Board (score: 1)
Author: Heinz Dietmar Karl <h-d.karl@t-online.de>
Date: Wed, 12 Jan 2011 22:32:44 +0100
Hallo Orion users, 2 weeks ago I`ve got an Orion1. It was announced to be full ok. But as I switched it on , I saw the display was a little dark in the upper left corner and was flickering during tra
/archives//html/TenTec/2011-01/msg00302.html (8,284 bytes)

2. Re: [TenTec] Orion Display and Power Distribution Board (score: 1)
Author: Heinz Dietmar Karl <h-d.karl@t-online.de>
Date: Thu, 13 Jan 2011 14:59:34 +0100
Thanks for the feedback. May I explain my impression that not the transistor BD246C itself is the problem. It was not defekt. Also not whether it was manufactured (see datasheed Bourns) . Yes the Dat
/archives//html/TenTec/2011-01/msg00316.html (11,455 bytes)

3. Re: [TenTec] Orion Display and Power Distribution Board (score: 1)
Author: Heinz Dietmar Karl <h-d.karl@t-online.de>
Date: Thu, 13 Jan 2011 20:38:04 +0100
Yes the cabel length with its inductance and the capacitive coupling between them (cbe) influenced the controll loop in this circuitry and made it too slow. The upper switchmode frequency is reduced
/archives//html/TenTec/2011-01/msg00318.html (10,485 bytes)

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