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All-parallel analog-digital converter of VCO (voltage-controlled oscillator)-based comparators

A voltage-controlled oscillator, analog-to-digital converter technology, applied in analog-to-digital conversion, code conversion, instruments, etc., can solve the problems of unstable output, poor anti-noise ability, and difficult design of low power supply voltage, and achieve reliability. The effect of high and good anti-noise ability

Active Publication Date: 2014-01-22
SHENZHEN CHIP OPTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows an improved method called this new type of device that uses a voltage control oscillation (VCO) without comparing its input voltages against each other accurately. It also includes a way to convert these inputs from one form to another format before sending them out over wirelessly. By combining their outputs together, they provide better noise immunity than traditional methods like time division multiplexing techniques alone.

Problems solved by technology

This patented describes different techniques used by digital signal processing systems such as Analog-To Digital Converts or Network Information Technologies that require accurate input data at very small voltages while also being able to operate quickly over wide range of frequencies without losing accuracy when supplied from lower levels of energy sources like batteries. However, current methods have limitations making their use limited because they cannot handle these challenges effectively.

Method used

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  • All-parallel analog-digital converter of VCO (voltage-controlled oscillator)-based comparators
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  • All-parallel analog-digital converter of VCO (voltage-controlled oscillator)-based comparators

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Embodiment Construction

[0019] Such as Figures 1 to 7 , The full parallel analog-to-digital converter system block diagram based on the voltage-controlled oscillator comparator proposed by the present invention, as attached figure 1 As shown, the structure of the ADC includes a sampling circuit, a resistor divider circuit, a comparator based on a voltage-controlled oscillator, a D flip-flop and a priority encoder. Its specific structure is as follows: the input voltage signal VIN is connected to the sampling circuit, and then connected to the input positive terminal of each comparator based on the voltage-controlled oscillator, and the reference voltage signal VREF is divided by resistors and the reference voltages V1, V2 to Vn are respectively connected to The input negative terminal of the comparator of the corresponding voltage-controlled oscillator with reset control signal, the output of each comparator is connected to the data input terminal of the D flip-flop, and the output terminal of the...

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Abstract

The invention relates to an all-parallel analog-digital converter of VCO (voltage-controlled oscillator)-based comparators. The all-parallel analog-digital converter comprises a sampling circuit, a resistor voltage dividing circuit, the VCO-based comparators, triggers D and a priority encoder, wherein an input voltage signal is input into the sampling circuit, and then the sampling circuit transmits the input voltage signal into the input positive terminal of each VCO-based comparator; the reference voltage of a reference voltage signal, which is divided by the resistor of the resistor voltage dividing circuit, is connected to the input negative terminal of a corresponding VCO-based comparator; the output of each VCO-based comparator is connected to the data input end of each trigger D; the output end of each trigger D is then connected to the priority encoder; the output is output after being encoded.

Description

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Claims

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Application Information

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Owner SHENZHEN CHIP OPTECH