Voltage monitoring circuit

Details Voltage monitoring circuit Voltage monitoring circuit

2007-09-18

2007-09-18

Nguyen, Ha Tran (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Balancing

Reexamination Certificate

active

11131401

ABSTRACT:
A voltage monitoring circuit is capable of being integrated into a chip and monitoring the voltage quality. It mainly uses a first waveshaper to receive a voltage signal of a voltage source to be measured, process it to a logic signal, and output to a first logic level transformer. A first digital signal is transformed by the processing and can be recorded by a register such that a managing system can read content of the register through a bus to further determine whether the voltage source has a situation of voltage surge. Similarly, an inverter can be concatenated between a second waveshaper and a second logic level transformer to monitor whether the voltage source has undercurrent pulse. This way, an object of monitoring voltage quality in the chip with a combination of simple analog circuit can be achieved.

REFERENCES:
patent: 6114836 (2000-09-01), Hagiwara et al.
patent: 6507183 (2003-01-01), Mulatti et al.
patent: 1049058 (1991-02-01), None
patent: 1381732 (2002-11-01), None

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