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Title:
OSCILLATION FREQUENCY CONTROL CIRCUIT
Document Type and Number:
Japanese Patent JP3245896
Kind Code:
B2
Abstract:

PURPOSE: To obtain the oscillation control circuit which is composed of a simple circuit while adjustment man-hours are decreased, and suitably mass-produced at low cost.
CONSTITUTION: The oscillation frequency control circuit is equipped with an amplifying circuit with a gain controller equipped with an F-V converting circuit S1 which generates a voltage corresponding to an input frequency, a variable resistor R1 for its gain control, and an oscillation circuit wherein the output of the F-V converting circuit is connected to an oscillator through a voltage- current converter.


Inventors:
Okazaki Hoya
Yasuaki Muranaka
Yasunori Okita
Application Number:
JP17235991A
Publication Date:
January 15, 2002
Filing Date:
July 12, 1991
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G09G1/04; G09G1/16; G09G5/12; G09G5/18; H03L7/00; (IPC1-7): G09G1/04; G09G1/16
Domestic Patent References:
JP62130073A
JP57305A
JP61126629U
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)



 
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