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Antentop is FREE e-magazine devoted to Antennas and Amateur Radio an
Special page devoted to
Old computer's PSU gives useful parts for antennas
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ANTENTOP-
02- 2003, # 003 |
Old computer's PSU |
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An input resistance vs. frequency
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VSWR relative to 50 Ohms vs. frequency
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VSWR relative to 75 Ohms vs. frequency
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Conclusion for the connection
shown in Fig. 1: The autotransformer can be used in a transmission and reception mode
on a range of 80 meters while this one loaded to 600 Ohms. (An
antenna Beverage |
or T2FD can be such a load.) The autotransformer should be used with a
75-Ohm coaxial cable. The maximum of
the RF power going to the transformer must be limited to 50 watts. |
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Last Updated:
February 8, 2018 22:17
