Noise Waveform Signal Generator

A waveform signal and generating device technology, applied in the direction of noise generation, electrical components, etc., to achieve the effect of less power consumption, simple circuit, and small size

Active Publication Date: 2014-10-29
TAIYUAN UNIV OF TECH +2
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Problems solved by technology

[0002] A signal generator is an electronic instrument used to provide various waveform signals required for measurement. It is a commonly used signal source and can be widely used in related fields such as automatic control, scientific experiments, and electronic circuits. When analyzing circuits, it is often necessary to understand The relationship between the output signal and the input signal requires a signal generator to generate a signal to stimulate the system, and at the same time observe and analyze the response of the system to the excitation signal; the current signal generator is more and more widely used, and it also affects the frequency of the signal generator The stability, frequency range and frequency resolution of the output signal put forward higher and higher requirements, especially in the generation control of the noise wave signal, the current signal generator can not meet the demand

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Embodiment Construction

[0014] Such as figure 1 with figure 2 As shown, the noise waveform signal generating device of the present invention includes: a single-chip microcomputer 1, a D / A conversion module 2 and a signal processing module 3; the signal output end of the single-chip 1 is connected to the D / A conversion module 2, and the D / A conversion module The signal output terminal of 2 is connected to the signal input terminals a1, a2 of the signal processing module 3, and the signal output terminals of the signal processing module 3 are b1, b2;

[0015] The above-mentioned single-chip microcomputer 1 itself is a complete microcomputer, which has all the functions of general computer built-in modules such as central processing unit CPU, random access memory RAM, read-only memory ROM, I / O interface circuit, timer and counter; The control chip can select, generate, and output the type and frequency of the waveform signal through the built-in control program according to actual needs; what the single-c...

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Abstract

The invention provides a noise waveform signal generating device and belongs to the technical field of signal generators. The invention aims to provide the noise waveform signal generating device which can generate conventional signals and noise signals and has output signals with stable stability, wide range and high resolution ratio. With the adoption of the technical scheme, the noise waveform signal generating device comprises a single chip microcomputer, a D / A (Digital / Analogue) conversion module and a signal processing module; a signal output end of the single chip microcomputer is connected with the D / A conversion module; a signal output end of the D / A conversion module is connected with signal input ends a1 and a2 of the signal processing module; and signal output ends of the signal processing module are b1 and b2; and the single chip microcomputer is further connected with a keyboard and a display screen. The noise waveform signal generating device is applied to relevant fields of automatic control, scientific tests, electronic circuits and the like.

Description

Technical field [0001] The noise waveform signal generating device of the present invention belongs to the technical field of signal generators. Background technique [0002] The signal generator is an electronic instrument used to provide various waveform signals required for measurement. It is a commonly used signal source and can be widely used in related fields such as automatic control, scientific experimentation, and electronic circuits. When analyzing circuits, it is often necessary to understand The relationship between the output signal and the input signal requires a signal generator to generate a signal to excite the system, while observing and analyzing the system’s response to the excitation signal; the current signal generator is more and more widely used, and it also affects the frequency of the signal generator. Stability, frequency range and frequency resolution of the output signal have put forward higher and higher requirements. Especially in the generation and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03B29/00
Inventor 吕玉祥杨建新马捷张机源刘超
Owner TAIYUAN UNIV OF TECH
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