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. Sequences of a programmable reference pulse and a variable pulse can be generated by utilizing the digital circuit; the pulse widths in various pulse sequences and the phase deviation between the pulse sequences can be adjusted through a precise timed step length; the circuit has a function of automatically calibrating the timed step length and can be adaptive to large-range temperature change and change influence of a power supply; the circuit is composed of a system clock input circuit, a register control circuit, a system clock pulse timer circuit, a ring oscillator pulse timing circuit, a logic unit delay pulse timing circuit and a pulse output circuit; the circuit has high speed and high precision; the generating circuit is realized full digitally; and the circuit is high in cost performance and can be used in the fields of electronic measurement, semiconductor test, radar control and high-precision industrial measurement and control.

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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