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#11
July 9th 09, 09:19 AM
posted to rec.radio.amateur.antenna
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ATU: Correct way to specify impedance range
K7ITM wrote:
It would be good if they plotted the range on something like a Smith chart. It should be done for different frequencies; it's rare indeed for a tuner to be able to match the same range of impedances over its frequency range. Some tuner topologies even have "holes" in their coverage. Exactly ! You will find here an example: http://www.darc.de/distrikte/c/09/Claude/Z-Match.pdf 73 de Claude |
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