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Patent Searching and Data


Title:
発振回路及びその動作電流制御方法
Document Type and Number:
Japanese Patent JP5375753
Kind Code:
B2
Abstract:
An oscillation circuit includes a condenser, a charging/discharging part configured to switch between charging and discharging of the condenser according to a control signal, a comparator configured to compare a voltage of the condenser with a reference voltage and output a comparison result signal, a flip-flop configured to be set or reset according to the comparison result signal, supply an output signal as the control signal to the charging/discharging part, and output the output signal as an oscillation signal, and a current control part configured to control an operating current of the comparator in correspondence with the voltage of the condenser.

Inventors:
Fumihiro Inoue
Application Number:
JP2010138231A
Publication Date:
December 25, 2013
Filing Date:
June 17, 2010
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO.,LTD.
International Classes:
H03K3/0231; H03K4/06
Domestic Patent References:
JP2009159344A
JP2004349831A
JP61107810A
JP2001160739A
Attorney, Agent or Firm:
Tadahiko Ito