A Discrete Threshold Voltage Comparator with Zero Static Power Consumption

A voltage comparator and threshold voltage technology, applied in electrical components, analog-to-digital converters, multiple input and output pulse circuits, etc., can solve problems such as static power consumption that cannot be eliminated, system power consumption increase, etc.

Active Publication Date: 2020-10-23
SHENZHEN UNIV
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional voltage comparator needs a high-gain, large-bandwidth amplifier circuit to improve the accuracy and speed of signal comparison, and increasing the gain and bandwidth of the analog amplifier circuit will cause a significant increase in system power consumption, and the traditional voltage comparator requires a DC bias setting, so static power consumption cannot be eliminated

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A Discrete Threshold Voltage Comparator with Zero Static Power Consumption
  • A Discrete Threshold Voltage Comparator with Zero Static Power Consumption
  • A Discrete Threshold Voltage Comparator with Zero Static Power Consumption

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An embodiment of the present invention provides a discrete threshold voltage comparator with zero static power consumption, see figure 1 , the voltage comparator may include: a first transistor MP0 and a plurality of parallel threshold adjustment branches P, each threshold adjustment branch P is connected to the first transistor MP0 and the digital enable bit EN of the voltage comparator, Each threshold adjustment branch P adjusts the threshold voltage of the voltage comparator according to the digitized control signal received by the digital enable bit EN.

[0028] In this embodiment, the voltage comparator realizes the digitization of the threshold voltage of the voltage comparator by setting multiple threshold adjustment branches P and relying on the digitized control signal received by the digital enable bit EN to adjust its threshold voltage Control, because the voltage comparator uses digital control threshold voltage adjustment, eliminates static power consumptio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a discrete threshold voltage comparator with zero static power consumption. The discrete threshold voltage comparator comprises a first transistor and a plurality of parallel threshold value adjustment branches, wherein each threshold value adjustment branch is connected with the first transistor and a digital enable bit of the voltage comparator, and each threshold value adjustment branch adjusts a threshold voltage of the voltage comparator according to a digital control signal received by the digital enable bit. According to the discrete threshold voltage comparator , the plurality of parallel threshold value adjustment branches are arranged in the voltage comparator, and the threshold voltage of the voltage comparator is adjusted based on the digital control signal received by the digital enable bit, thus the digital control of the threshold voltage of the voltage comparator is realized; and since the voltage comparator utilizes digital control for adjusting the threshold voltage, the threshold voltage is eliminated, the discrete threshold voltage comparator with zero static power consumption and adjustable threshold voltage values is implemented, reset operation is avoided and the system dead time is eliminated.

Description

technical field [0001] The invention relates to the technical field of analog voltage comparators, in particular to a discrete threshold voltage comparator with zero static power consumption. Background technique [0002] The comparator is the core device of the analog signal processing circuit. Whether it is an accurate sampling circuit or an analog-to-digital converter (Analog-to-Digital Converter, referred to as "ADC"), the technical parameters of the comparator are the key to ensure the overall performance of the system. [0003] In the technical field of analog voltage comparison, high-precision, high-speed comparators use a multi-level signal processing architecture. Among them, the input stage uses multiple amplifiers cascaded to realize fast high-gain amplification of the difference between the input signal and the threshold signal, and the output stage uses a signal latch to realize fast conversion from analog signals to digital signals. Therefore, the traditional ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): H03K5/24H03M1/12
CPCH03K5/2472H03M1/1245
Inventor 李琰俞航姜来黄隆锦刘少华
Owner SHENZHEN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products