With the continuous development of power electronics, power equipment has become an indispensable part of various electronic devices. Among them, as a power supply that can provide pulse energy with different amplitudes, widths and repetition rates, adjustable pulse power supply is widely used in power electronics, communications, automatic control and other fields. This article will introduce the design and implementation of an adjustable pulse power supply.
First, the basic principle of adjustable pulse power supply.
The adjustable pulse power supply is mainly composed of three parts: pulse generator, regulator and output circuit. Among them, the pulse generator is the core part of the pulse signal, the regulator is to adjust and control the pulse generator according to the required pulse parameters, and the output circuit is to amplify the adjusted pulse signal and output.
Second, the design of adjustable pulse power supply.
1.Design of the pulser.
The pulse generator is the core part of the adjustable pulse power supply, which needs to generate a pulse signal that meets the requirements. Common pulse generators include RC oscillators, crystal oscillators, and digital synthesizers. Among them, digital synthesizers have the advantages of high frequency stability and wide adjustment range, so they are widely used in the design of adjustable pulse power supplies.
2.The design of the regulator.
The regulator is a component used to regulate and control the pulse signal generated by the pulse generator. There are two common types of regulators: analog regulators and digital regulators. Among them, digital regulators have the advantages of high accuracy and good stability, so they are also widely used in the design of adjustable pulse power supplies.
3.Design of the output circuit.
The output circuit is the part that amplifies the adjusted pulse signal and outputs it. Common output circuits include voltage amplifiers and current amplifiers. Among them, the voltage amplifier has the advantages of high output voltage and good linearity, so it is widely used in the design of adjustable pulse power supply.
3. The realization of adjustable pulse power supply.
When implementing an adjustable pulse power supply, we need to carry out specific circuit design, parameter calculation, and component selection according to the actual application requirements. Here's a simple example to illustrate the implementation of an adjustable pulse power supply:
1.Determine application requirements.
The first step is to determine the application requirements of the adjustable pulse power supply, such as what kind of pulse waveform, pulse amplitude, and pulse frequency parameters need to be output.
2.Design the circuit.
According to the application requirements, the circuit that meets the requirements is designed. For example, a digital synthesizer is used as a pulse generator, a digital regulator is used as a regulator, and a voltage amplifier is used as an output circuit.
3.Determine the component parameters.
According to the circuit design, the parameters of each component are determined. For example, the values of components such as resistance, capacitance, and inductance, as well as the models and specifications of each component.
4.Choose the right components.
Select the appropriate components according to the component parameters, and connect the components according to the requirements of the circuit design. Note: The selection of components should take into account factors such as the accuracy, stability, and reliability of the components.
5.Debugging and testing.
Once the circuit design and component selection are complete, the adjustable pulse power supply needs to be debugged and tested. Debugging is mainly to debug the circuit to ensure that the components work normally and cooperate well with each otherThe test is mainly to test the performance of the adjustable pulse power supply, such as testing whether the parameters such as the amplitude, width and repetition rate of the output pulse meet the requirements.
Fourth, summary. This article introduces the design and implementation of an adjustable pulse power supply. Through the introduction of this article, we can understand that the design of adjustable pulse power supply needs to consider many factors such as application requirements, circuit design, component selection, and debugging testing. At the same time, through the introduction of this article, it can also be understood that the implementation of adjustable pulse power supply needs to go through multiple steps to complete. Therefore, in practical applications, it is necessary to operate on a case-by-case basis.