OSCILLATION CONTROL CIRCUIT

PROBLEM TO BE SOLVED: To provide an oscillation control circuit in which noise influence is minimized. SOLUTION: The output terminal of a clocked inverter CIV2 as a ternary output circuit is connected to an external output terminal (d), an oscillation signal is outputted through the output terminal,...

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Bibliographic Details
Main Authors HASEGAWA EIICHI, TSUKAGOSHI KUNIHIKO
Format Patent
LanguageEnglish
Published 11.10.2002
Edition7
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
GENERATION OF NOISE BY SUCH CIRCUITS
GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
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Summary:PROBLEM TO BE SOLVED: To provide an oscillation control circuit in which noise influence is minimized. SOLUTION: The output terminal of a clocked inverter CIV2 as a ternary output circuit is connected to an external output terminal (d), an oscillation signal is outputted through the output terminal, the output terminal of the clocked inverter CIV2 is made to be in a high impedance state until a detection circuit OPC generates a detection output showing that the oscillation signal becomes a prescribed amplitude. Noise fed from the external output terminal (d) is thereby prevented from being superimposed on a power supply terminal to stabilize the oscillation of an oscillation circuit 1 at an initial oscillation stage.
Bibliography:Application Number: JP20010099860