A high-speed and high-precision digital pulse generating circuit and pulse generating method

Abstract

The invention relates to a high-speed and high-precision digital pulse generating circuit and a pulse generating method. The digital circuit can generate programmable reference pulses and variable pulse sequences, and adjust the pulse width and pulse in each pulse sequence with precise timing steps. Phase offset between sequences. This circuit has a timing step automatic calibration function, which can adapt to the influence of a wide range of temperature changes and changes in power supply. It is composed of system clock input circuit, register control circuit, system clock pulse timer circuit, loop oscillator pulse timing circuit, logic unit delay pulse timing circuit and pulse output circuit. It has the characteristics of high speed and high precision. Realized, cost-effective, can be used in electronic measurement, semiconductor testing, radar control and high-precision industrial measurement and control fields.

Description

technical field [0001] The invention designs a digital pulse generating technology, specifically a high-speed and high-precision digital pulse generating circuit and a pulse generating method. Background technique [0002] With the intelligence, high-speed and multi-dimensionalization of modern electronic technology bringing great convenience to people's production and life, and the wide application of computer and digital signal processing technology in many fields such as communication, navigation and aerospace, so for It puts forward higher requirements for effective testing. Faced with such a need, the pulse generator plays an important role in it. The high-speed and high-precision pulse generator is a commonly used signal source in the testing field. It can generate various complex digital excitations and high-speed, high-stability pulse signals with controllable amplitude and adjustable pulse width. In the design and debugging of radar systems, computer hardware syst...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of insufficient precision and insufficient programmability in the existing digital pulse generation technology, the technical problem to be solved by the present invention is to provide a high-speed and high-precision digital pulse generation circuit and a pulse generation method, which can stably adjust steps Long-term generation of high-speed and high-precision programmable pulse period and phase delay, and can adapt to a wide range of temperature and power supply changes

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