Rectifier circuit and RFID tag

Details Rectifier circuit and RFID tag Rectifier circuit and RFID tag

2005-11-08

2008-09-09

Trinh, Sonny (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Near field

C455S039000, C455S041200

Reexamination Certificate

active

07424266

ABSTRACT:
A rectifier circuit includes a first MOS transistor, a first capacitor configured to connect between a gate and a source of the first MOS transistor, and a switching circuit configured to supply a bias voltage to the first capacitor in response to a control signal. The high gain rectifier circuit also includes a second MOS transistor configured to imitate the first MOS transistor, a second capacitor configured to imitate the first capacitor, a dummy switching circuit configured to supply the bias voltage to the second capacitor in response to the control signal, and a generating circuit configured to generate the control signal based on a potential of the second capacitor.

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U.S. Appl. No. 11/153,532, Kabushiki Kaisha Toshiba.
Usami, et al., Powder LSI; An Ultra Small RF Identification Chip for Individual Recognition Applications, ISSCC TD: Embedded Technologies Paper, pp. 398-399, Feb. 2003.

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