potentiometer

Electronic transformer and semiconductor switching devices, semiconductor rectifier devices, capacitors together, known as the power supply device in the four main components. Today, let Xiaobian take you to know what types of electronic transformers are divided into. Let's take a look together. According to their role in the power supply device, electronic transformers can be …

What kinds of electronic transformers can be divided into Read More »

MOS tube, metal oxide semiconductor, also known as field effect transistor. MOS tube has three poles, namely gate (G pole), source (D pole) and drain (S pole). It is a voltage controlled device, and the conduction cutoff of the device is controlled by controlling G pole. MOS tubes are divided into Nmos tubes and Pmos …

The world of MOS tubes Read More »

one Power transistor GTR 1. The difference between transistor and triode I. Triode and transistor have: cutoff zone, amplification zone, saturation zone; II. Triode working in amplification area; III. Transistors in the switching process, mainly work in the saturated region and cut-off region; 2. Dynamic characteristics of transistors I. GTR uses base current to control …

Basic transistor characteristics Read More »

According to Taiwan media reports, in the mobile phone PC supply chain continues to be weak, in recent days, apple, AMD cut orders, NVIDIA delayed new products, Micron production news. At the same time, some of the microcontrollers (MCUS) that were in short supply and relatively rigid price began to fall in price, especially the …

Apple cut orders by 10%, AMD cut orders by 20,000 wafers Read More »

Options and Notes: 1. The pressure (1) In the circuit, the actual voltage of the capacitor shall not exceed its voltage withstand value. (2) In the filter circuit, the voltage withstand value of the capacitor shall not be less than 1.42 times the effective value of the AC voltage. (3) When using polar capacitors such …

What should be paid attention to when choosing capacitors? Read More »

As we all know, circuit boards come in a variety of colors, so why are they so diverse? Today, let xiaobian take you to understand the truth. According to the number of layers, the circuit board is divided into three categories: single board, double board, multi-layer board. The common PCB colors on the market are …

Why are circuit boards so colorful? Read More »

Xiaobian with you to talk about the integrated circuit power IC chip from where to judge. 1. First of all, we should master the use of IC in the circuit, internal structure principle, main electrical characteristics, etc., and analyze the internal electrical schematic diagram when necessary. In addition, if each pin is to ground dc …

In integrated circuit, where is the power IC chip judged? Read More »