Frequency synthesizing system for AM.multidot.SSB transceiver
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United States of America Patent
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-
Jan 20, 1981
Grant Date -
N/A
app pub date -
Apr 16, 1979
filing date -
Apr 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A frequency synthesizing system for use in an AM.multidot.SSB transceiver of double conversion type comprising a single crystal oscillator in its PLL synthesizer. The fundamental frequency of the PLL synthesizer provided by the oscillation of the crystal oscillator is selected to be n times (where n is an even number) the second intermediate frequency of the transceiver so that all the frequencies required for the operation of the AM.multidot.SSB transceiver can be derived from the oscillation frequency of the single crystal oscillator, whereby to simplify the structure of the AM.multidot.SSB transceiver and to facilitate the adjustment of the transceiver.
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