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565acom [2011/01/01 18:20] n1eu created |
565acom [2012/02/14 16:07] n1eu |
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| in-line between the Orion and the Acom. Ten-Tec provided a model 2203 highpass filter for this purpose. Its specs | in-line between the Orion and the Acom. Ten-Tec provided a model 2203 highpass filter for this purpose. Its specs | ||
| were -3dB @ 1.1MHz. A Dunestar 400-HPF will also eliminate the problem. | were -3dB @ 1.1MHz. A Dunestar 400-HPF will also eliminate the problem. | ||
| + | |||
| + | Ten-Tec later switched from bipolar to FET transistors in the PA driver and the problem disappeared. This change was incorporated in the Orion II and may (?) have been incorporated in the latest production (2005-2006) Orions. | ||
| Barry N1EU | Barry N1EU | ||
