在电气领域有一种经常使用的器件，叫做信号发生器。它的主要功能是用于产生

There is a frequently used device in the electrical field called the signal generator. Its main function is to generate different frequencies, waveforms and output level electrical signals when needed. When carrying out some necessary tests on the electrical parameters such as the transmission characteristics of various telecommunication systems or devices, it is also necessary to understand the characteristics of certain electrical components or their various electrical parameters when acting as a signal source or The role of the motivation source. This article first briefly introduces the research status and development status of the signal generator, details the whole working mode and process of the signal generator, and gives a reasonable system design hardware and software scheme based on the working principle of the signal processor , Describes in detail all the work modules needed to complete the function. The system designed this time mainly requires two chips with different functions. One is the MAX038 chip, which is used to generate signals. The other one is the MSP430F149 chip, whose function is to control the system. In addition to these two chips, there are several circuits to generate sine, square, triangle and sine triangle waveforms with adjustable frequency and amplitude. The hardware circuit part of the signal generator mainly includes a power supply circuit, a single-chip microcomputer and its peripheral circuits, a human-machine interactive interface circuit, a DAC module, and an amplifier circuit. The software part mainly includes the system's main program design, peripheral module driver program design, signal measurement and parameter correction algorithm implementation. The output signal of this design, the waveform is selected with the keyboard, the amplitude is manually adjusted, the frequency can be adjusted manually or through the keyboard, and the relevant parameters of the current signal waveform can be displayed and output using LCD1602.

In the electrical field, there is a commonly used device called a signal generator. Its main function is to generate different frequencies, waveforms, and output level electrical signals when needed. When performing some necessary tests on electrical parameters such as transmission characteristics of various types of telecommunications systems or devices, there is also the role of a signal source or an incentive source when it is necessary to understand the characteristics of certain electrical components or their various electrical parameters. This paper first briefly introduces the research status and development status of the signal generator, introduces the whole working method and process of the signal generator in detail, and gives a reasonable system design hardware and software scheme based on the working principle of the signal processor, and describes in detail all the working modules needed to complete the function. The system is designed to require two different functions of the chip, one is the MAX038 chip, used to generate signals. The other is the MSP430F149 chip, which acts as a control of the system. In addition to these two chips, there are several circuits that generate adjustable frequencies and amplitudes of sine wave, square wave, triangular ripple and sine triangular combination waveforms. The hardware circuit part of the signal generator mainly includes the power supply circuit, the microcontroller and its peripheral circuit, the human-computer interface circuit, the DAC module, the amplification circuit and so on. The software part mainly has the main program design of the system, the peripheral module driver design, signal measurement and parameter correction algorithm implementation. The output signal of this design, its waveform is selected by keyboard, the amplitude is adjusted by manual adjustment, its frequency can be manually adjusted or input by the keyboard, the relevant parameters of the current signal waveform can be displayed with LCD1602 output.

In the electrical field, there is a kind of device which is often used, called signal generator. Its main function is to generate different frequencies, waveforms and output level electrical signals when needed. When we need to detect the transmission characteristics and other electrical parameters of various telecommunication systems or devices, we also need to know the characteristics or various electrical parameters of some electrical components, and play the role of signal source or excitation source. Firstly, this paper introduces the research status and development of the signal generator, the whole working mode and process of the signal generator in detail, and based on the working principle of the signal processor, gives a reasonable system design hardware and software scheme, and describes in detail all the working modules needed to complete the function. This system mainly needs two chips with different functions, one is MAX038, which is used to generate signals. The other is MSP430F149, which is used to control the system. In addition to these two chips, there are several circuits to generate sine wave, square wave, triangle wave and sine triangle combination wave with adjustable frequency and amplitude. The hardware circuit of the signal generator mainly includes power circuit, single chip and its peripheral circuit, human-computer interface circuit, DAC module, amplification circuit, etc. The software part mainly includes the main program design, peripheral module driver design, signal measurement and parameter correction algorithm. The output signal of this design can be selected by keyboard, the amplitude can be adjusted manually, the frequency can be adjusted manually or input by keyboard, and the relevant parameters of the current signal waveform can be displayed and output by LCD1602.<br>