Oscillator having multiple oscillation units
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United States of America Patent
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May 26, 2009
Grant Date -
Jul 3, 2008
app pub date -
Dec 27, 2006
filing date -
Dec 27, 2006
priority date (Note) -
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Abstract
The present invention is an oscillator including: first transistors outputting oscillation signals of different oscillation frequencies to collectors; a common node to which outputs of emitters of the first transistors are connected and input; a feedback circuit feeding an output of the common node to bases of the first transistors; and isolation circuits that are respectively provided between the emitters of the first transistors and the common node and cut off high frequency components from the common node.
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