Mar 30, 2026
What can confocal microscopes used in materials science observe?
What can confocal microscopes used in materials science observe? Confocal microscopes used in the field of materials can observe and analyze the microstructure
-
![How to test the noise of high frequency switching power supply]()
How to test the noise of high frequency switching power supplyThe first step is to verify the output of the power supply end of the IPAD when it is working; By directly verifying the voltage of the output port ofOct 14, 2022 -
![The switching power supply consists of the following 4 parts]()
The switching power supply consists of the following 4 parts1) Main circuit: The main circuit from the AC grid input to the DC output. It mainly includes input filter, rectification and filtering, inverter, outOct 14, 2022 -
![The development trend of switching power supply]()
The development trend of switching power supply1) Pulse width modulation type, referred to as Pulse Width Modulation (PulseWidthModulaTIon, abbreviated as PWM) type. Its main feature is that the swOct 14, 2022 -
![How to Suppress Ripple and Reduce High-Frequency Noise During Switching Power...]()
How to Suppress Ripple and Reduce High-Frequency Noise During Switching Power...1. Increase the inductance and output capacitor filtering According to the formula of the switching power supply, the current fluctuation in the inducOct 14, 2022 -
![How to suppress power ripple noise]()
How to suppress power ripple noiseAmong the common problems in the application of power modules, reducing the ripple noise at the load end is the concern of most users. So how to reducOct 14, 2022 -
![One of DC regulated power supply: rectifier circuit]()
One of DC regulated power supply: rectifier circuitAll electronic circuits need DC power to provide energy. Due to the high cost of use, batteries are generally only used in low-power portable instrumeOct 14, 2022 -
![Protection technology of DC switching power supply]()
Protection technology of DC switching power supply1. Program protection The circuit of the switching regulated power supply is more complex, and can basically be divided into a low-power control partOct 14, 2022 -
![Basics of switching power supply]()
Basics of switching power supply1. The basic circuit of switching power supply (1) switch circuit, (2) excitation circuit, (3) voltage regulator circuit, (4) protection circuit, (5)Oct 14, 2022 -
![The ripple noise of the regulated power supply comes from these four aspects]()
The ripple noise of the regulated power supply comes from these four aspects1. What is ripple? The definition of ripple (ripple) refers to the AC component superimposed on the DC stable quantity in the DC voltage or current. IOct 14, 2022 -
![The Method of Reducing the Ripple Noise of Regulated Power Supply]()
The Method of Reducing the Ripple Noise of Regulated Power SupplyFrom the above analysis of the source of ripple and noise, the method for reducing ripple and noise can be improved on the basis of the source. For exOct 14, 2022 -
![The right way to improve the noise of regulated power supply]()
The right way to improve the noise of regulated power supplyThe oscillation's decompression peak is also communicated to the output end during the energy transfer process, creating noise. We typically employ RCOct 14, 2022 -
![Noise Sources of Switching Power Supplies]()
Noise Sources of Switching Power SuppliesIt is possible to reduce noise, especially radiated noise, by comprehending its causes and using appropriate design strategies. The majority of the coOct 14, 2022 -
![Design of DC Regulated Power Supply and Its Application in Series]()
Design of DC Regulated Power Supply and Its Application in Series1. Design of DC stabilized power supply Design of Rectifier Transformer The design of the three-phase rectifier transformer includes: the connection mOct 14, 2022 -
![Principle Analysis of Three-phase Compensated AC Voltage Stabilized Power Supply]()
Principle Analysis of Three-phase Compensated AC Voltage Stabilized Power SupplyIt consists of main circuit, control circuit and detection circuit. The main circuit is composed of three parts: the parallel part, the series part anOct 14, 2022 -
![Analysis of anti-interference performance index of AC stabilized power supply]()
Analysis of anti-interference performance index of AC stabilized power supply1. Power Transient Sensitivity Transient the input supply voltage from 10% above rated value to 30% above rated value, then from 10% below rated valueOct 14, 2022 -
![The working principle of the new EPWM chopper AC stabilized power supply]()
The working principle of the new EPWM chopper AC stabilized power supplyThe simplified principle circuit of EPWM chopper type AC regulated power supply is shown in Figure 1. It is composed of the main circuit and the contrOct 14, 2022 -
![A few notes on the use of low-dropout regulators]()
A few notes on the use of low-dropout regulatorsa) Rapid changes in load current cause changes in output voltage due to limited control loop speed. Sometimes the internal regulation loop fails to reOct 14, 2022 -
![What noise does a switching regulator have?]()
What noise does a switching regulator have?1. Switching ripple noise Ripple is always the dominant noise in a switching regulator because the peak-to-peak voltage amplitude is typically a few mOct 14, 2022 -
![The main function of the regulated power supply]()
The main function of the regulated power supply1. Stable voltage: When the grid voltage fluctuates instantaneously, the regulated power supply will compensate the voltage amplitude with a responseOct 14, 2022 -
![The DC regulated power supply can be divided into several categories from the...]()
The DC regulated power supply can be divided into several categories from the...①Controllable rectifier switching regulated power supply: use thyristor as adjustment switch, and supply power from the AC mains grid directly or afteOct 14, 2022
