Using an electroacoustic resonator

Details Using an electroacoustic resonator Using an electroacoustic resonator

2007-07-17

2007-07-17

Vuong, Quochien B. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S333000

Reexamination Certificate

active

10385091

ABSTRACT:
An apparatus in accordance with one embodiment of the present invention may include a local oscillator having an electroacoustic resonator; and zero intermediate frequency signal processing circuitry coupled to the local oscillator. In certain embodiments, the electroacoustic oscillator may be a thin film bulk acoustic resonator.

REFERENCES:
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patent: 7035341 (2006-04-01), Mohindra
patent: 2004/0137870 (2004-07-01), Kivekas et al.
patent: 2004/0227578 (2004-11-01), Hamalainen
Lower-power GSM GPRS triple-band Near-Zero IF transceiver. Philips Semiconductors; Oct. 1999. www.semiconductors.philips.com.

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