Transceiver circuit for film bulk acoustic resonator (FBAR)...

Details Transceiver circuit for film bulk acoustic resonator (FBAR)... Transceiver circuit for film bulk acoustic resonator (FBAR)...

2008-04-30

2010-06-08

Benson, Walter (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S314000

Reexamination Certificate

active

07732977

ABSTRACT:
A piezoelectric transducer device includes a receive signal path, a transistor and a piezoelectric transducer connected to a first terminal of the transistor. The device also includes a switch connected to a second terminal of the transistor, wherein the switch is adapted to selectively connect the second terminal of the transistor to a transmit signal or to a bias voltage; an output connected to a third terminal of the transistor, and adapted to receive a signal from the transducer when the switch is connected to the bias voltage, wherein the switch is not in the receive signal.

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