Voltage oscillation detection circuit

The utility model discloses a voltage oscillation detection circuit, and the circuit comprises an oscillation amplitude detection unit which comprises a voltage processing unit and a comparator; the voltage processing unit is used for generating a direct-current voltage signal according to the volta...

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Bibliographic Details
Main Author CHEN CHENGLONG
Format Patent
LanguageChinese
English
Published 27.08.2024
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PULSE TECHNIQUE
TESTING
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Summary:The utility model discloses a voltage oscillation detection circuit, and the circuit comprises an oscillation amplitude detection unit which comprises a voltage processing unit and a comparator; the voltage processing unit is used for generating a direct-current voltage signal according to the voltage to be measured; the first input end of the comparator is connected with a direct-current voltage signal, the second input end is connected with a voltage to be measured, and the output end is used for outputting a pulse signal; the counting unit is connected with the oscillation amplitude detection unit and is used for counting the pulse signals output by the oscillation amplitude detection unit and outputting an oscillation mark; and the reset unit is connected with the counting unit and is used for outputting a reset signal to reset the counting unit. The voltage oscillation detection circuit is simple in structure, can detect the abnormal condition that the output voltage of an LDO and the like oscillates, do
Bibliography:Application Number: CN202323563589U