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#10
April 17th 10, 02:05 PM
posted to rec.radio.shortwave
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Ultra Heavy BCB Dx'ing
Bob Dobbs wrote:
dave wrote: It's a matter of being able to use a low IF, and therefore a roofing filter. A couple are triple conversion but only one has a 'roofing' filter. The Elecraft has a first IF of 8.2 MHz. Then there's a xtal filter, then the second IF of 15 KHz, which directly feeds the DSP demodulator. |
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