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a time amplifier

A time amplifier, time technology, applied in differential amplifiers, DC-coupled DC amplifiers, pulse technology, etc., can solve problems such as difficult integration

Inactive Publication Date: 2017-01-18
INST OF ACOUSTICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing time amplifier structures / circuits have difficulties integrating them when it is desired to put the time amplifier into a synchronous circuit

Method used

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Embodiment Construction

[0037] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0038] figure 2 is a schematic block diagram of a time amplifier according to the present invention.

[0039] Such as figure 2 As shown, the time amplifier includes a time-intermediate quantity conversion module, a reference value generation module, a comparison module and a control signal generation module. The control signal generation module is used to generate a periodic control signal from the clock signal. The time-intermediate quantity conversion module is used to accept the time input, and converts the time interval of the time input into an intermediate quantity under the control of the control signal, and is used to clear the intermediate quantity according to the control signal; the reference value generation module is used for A reference value is generated according to the control signal, and is used ...

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Abstract

The invention relates to a time amplifier which comprises a control signal generating module, a time-intermediate quantity conversion module, a reference value generating module and a comparing module. The control signal generating module is used for generating a control signal according to a clock signal. The time-intermediate quantity conversion module is used for converting input time into intermediate quantity and carrying out zero clearing on the intermediate quantity according to the control signal. The reference value generating module is used for generating a reference value and carrying out zero clearing on the reference value according to the control signal. The comparing module is used for comparing the intermediate quantity with the reference value and outputting the amplified time. The output start time of the time amplifier is unrelated to the input, a fixed phase relation can exist between the time amplifier and a clock, and the time amplifier is suitable for being integrated in a synchronous circuit. According to the time amplifier, the delay from the input to the output is determined by a circuit structure instead of the input time, and the time amplifier has expandability.

Description

technical field [0001] The present invention relates to electronic measurement and signal processing, and more particularly to a time amplifier. Background technique [0002] In the field of electronic measurement and signal processing, a time amplifier, also known as a time difference amplifier, is a device that amplifies the time interval between two signals, which is the difference between the end time and the start time. The end time and start time can be represented by the falling edge and rising delay of the signal, or when both occur. The amplification factor of the time amplifier is defined as the value of the output time interval of the time amplifier divided by the input time interval of the time amplifier. The time amplifier can be used in applications such as distance measurement, and is the basic device of the time domain signal processing circuit. [0003] The time amplifier can be implemented by a mutual exclusion (Mutual Exclusion, MUTEX) unit or two cross-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03F3/45H03K19/00
Inventor 华斯亮刘岩王东辉洪缨侯朝焕
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI