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MAP sensorMAP is the intake pressure sensor. The intake pressure sensor detects the absolute pressure of the intake manifold behind the throttle. It detects the change of the absolute pressure in the manifold according to the engine speed …

Is the LED display a liquid crystal display?The LCD is a liquid crystal, and the backlight has two ways, namely a cathode ray CCFL and a light-emitting diode LED, both of which are LCD liquid crystals.These two methods have no advantages a…

What is the relationship between the chip and the discrete device? What is the relationship between discrete devices and integrated circuits?A chip is a general term for an integrated circuit. A discrete device refers to a device other tha…

Question 3. how to detect and replace the magnetron?( 1 ) The magnetron detects the high voltage leads on the filament terminal of the magnetron, and uses the multimeter to measure the cold resistance of the filament, normal is less than 1…

Q1：What is the magnetron of the microwave oven? The magnetron can be divided into continuous wave magnetron and pulse magnetron. The former is mainly used in household microwave oven, medical microwave therapy machine, scalpel and other s…

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GC355XD72J224KX05L ALLICDATA ELECTRONICS LIMITED One of our 12-year distributors and spot suppliers of professional chip capacitors (MLCC). The company's main TDK, Samsung (Samsung), Yageo (Guoju), MURATA (Murata), KEMET (Kemi) brand, the …

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The AS3933 is a 15-150kHz frequency range, 3-channel low-frequency wake-up receiver with automatic antenna tuning. Austin Microelectronics offers the industry's best-performing 15–150kHz frequency range, 3-channel low-frequency wake-up rec…

The complete PCB we envision is usually a regular rectangular shape. While most designs are indeed rectangular, many designs require irregularly shaped boards that are often not easily designed. This article describes how to design an irre…

What is the function and principle of adding a Via via near the Via hole of the trace as shown? The vias of the pcb board are classified according to their functions and can be divided into the following types: 1, signal vias (via structur…

Job: Entry Level PCB Engineer (Level-1)skill requirements:1, can make a simple package, such as DIP10;2. Master the basic operation of at least one PCB design software, and formulate simple rules such as wiring line width and spacing;3, ca…

Record a problem encountered here. The cause of the problem is that the value of the pull-up resistor is too large, causing the level of the drive IO port to be abnormal. Reduce the pull-up resistor value and the circuit returns to normal.…

The development board rover adds a new board: the STM32F723 Discovery Kit. Let me briefly introduce this board: The STM32 Discovery Kit's on-board features include MEMS microphones, MEMS sensors, audio codecs and user interface displays to…

10 rules for component layout:Follow the layout principle of “first big and then small, first difficult and easy”, that is, important unit circuits and core components should be prioritized.The layout should refer to the principle block di…

BGA Features : 1 pin is more spherical, and the ceramic BGA has a cylindrical shape; 2 pin spacing is 1.0mm, 1.27mm, 1.5 mm, pin number is 169 ~ 480 feet ( Figure 2-2-14 ); 3 pin count up to 800 feet; 4CSP predecessor; 5 higher than QFP as…

Inductors 1. What is an inductor? What's the role? An inductor is an energy storage element that converts electrical energy into magnetic energy and converts it into electrical energy. When the alternating current passes through the coil, …

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GRM31BR72J103KW01L GRM31BR72J103KW01LALLICDATA ELECTRONICS LIMITED Through years of hard work, the company adheres to the business philosophy of "honesty is the customer first". Continuous development and growth. We have trained a group of…

Q1. What is a thyristor? What are the functions in the circuit?Thyristor, also known as SCR, is a kind of controllable rectifier. The thyristor is expressed by the letter VS, which has the function of unidirectional conduction, it can also…

Inductors 1. What is an inductor? What's the role? An inductor is an energy storage element that converts electrical energy into magnetic energy and converts it into electrical energy. When the alternating current passes through the coil, …