Frequency translation circuit and method of translating
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 7, 2000
Grant Date -
N/A
app pub date -
Dec 31, 1997
filing date -
Dec 31, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A frequency translation circuit (10) translates an incoming reference signal (RF.sub.IN) to a lower frequency using a compound mixer circuit (42). The compound mixer circuit (42) has a first mixer circuit (14A) that receives both the incoming reference signal (RF.sub.IN) and a signal generated by a first counter (28A). A second mixer circuit (14X) of the compound mixer circuit (42) receives a signal generated by a second counter (28X) and further translates the signal received from the first mixer circuit (14A) to a lower frequency. Both the first mixer circuit (14A) and the second mixer circuit (14X) generate output signals having a carrier frequency that is lower in frequency by the difference of the two input signals.
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