Title:
SYNCHRONOUS DETECTION CIRCUIT
Document Type and Number:
Japanese Patent JP2005020434
Kind Code:
A
Abstract:
To provide a synchronous detection circuit with a simplified circuit structure.
In the synchronous detection circuit for carrying out a full-wave rectification process and a smoothing process by using a switched capacitor circuit, supplying form of two-phase clock to a singel switched capacitor circuit is switched according to an input signal so that the single switched capacitor circuit can function selectively as a positive phase integrator and an opposite phase integrator in this constitution.
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Inventors:
MORIMITSU TAKUYA
Application Number:
JP2003183178A
Publication Date:
January 20, 2005
Filing Date:
June 26, 2003
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H03D1/00; (IPC1-7): H03D1/00
Attorney, Agent or Firm:
Tadahiko Ito