Oscillator, and receiving device and electronic device using...

Details Oscillator, and receiving device and electronic device using... Oscillator, and receiving device and electronic device using...

2008-07-28

2011-10-18

Pascal, Robert (Department: 2817)

Demodulators

Frequency modulation demodulator

Input signal combined with local oscillator or carrier...

C455S208000, C455S265000

Reexamination Certificate

active

08040178

ABSTRACT:
An oscillator unit is configured such that a frequency adjustment unit of a synthesizer used by a controller is smaller than a frequency variation tracking capability of a demodulator connected to an output side of a frequency converter. This structure successfully combines the temperature compensation control of an oscillator unit and the receiving process of a high-frequency receiving device. Accordingly, an oscillator unit with large temperature coefficient is applicable to high-frequency receiving devices.

REFERENCES:
patent: 7145402 (2006-12-01), Mattila et al.
patent: 62-025543 (1987-02-01), None
patent: 5-63131 (1993-08-01), None
patent: 07-245563 (1995-09-01), None
patent: 08-018477 (1996-01-01), None
patent: 2003-069426 (2003-03-01), None
patent: 2004-128861 (2004-04-01), None
International Search Report for International Application No. PCT/JP2008/002004, Sep. 9, 2008, Panasonic Corporation.

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