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Q1: What's the price of XC4VFX12-10FFG668C Xilinx Inc.? A: ALLICDATA Electronics offers more than 1,000,000 items in stock with immediate shipment,which has a competitive price.XC95144XL-5TQG144C IC CPLD 144MC 5NS 144TQFP Xilinx Inc. Real-…
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1. Ceramic component ( 1 ) Structure and characteristics of ceramic components The ceramic element is coated with a metal silver layer on both sides of a sheet made of aluminum zirconate titanate ceramic material, and then make the electro…
One, LED digital tube. LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ), it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the …
1.現在の増幅率ベータ電流増幅率は電流増幅率であり、トランジスタの増幅力を示すために使用されます。トライオードの動作状態に応じて、現在の増幅率はDC増幅率とAC増幅率に分けられます。DC増幅率は、静的信号が送信されていないときのコレクター電流Icと…
The failure of the timer usually occurs on the reed and the contact point. Due to the frequent contact of the contacts of the timer, the contact instantaneous current is very large, and the contact often occurs oxidation, corrosion and oth…
( 1 ) Characteristics of digital circuit digital logic gate circuit referred to as digital circuit, which has the following characteristics : 1 ) strict logic. 2 ) Strict timing. 3 ) There are only two logical levels ( or pulses ). 4 ) The…
Humidity sensitive resistors mainly include lithium chloride humidity sensitive resistor, carbon humidity sensitive resistor and oxide humidity sensitive resistor. It is composed of humidity sensitive layer, electrode and insulator. Its se…
( 1 ) Working frequency Transformer core loss has a great relationship with frequency, so it should be designed and used according to the frequency, this frequency is called the operating frequency. ( 2 ) Under specified frequency and volt…
A photoresistor is a type of special resistor that changes resistance with light. Detection method of the photosensitive resistor: 1). Use a piece of black paper to cover the transmittance window of the photosensitive resistor. At this tim…
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…
Q 5. How to test the replacement of the microwave high voltage power transformer?The RX1 gear is used to measure the cold resistance of the transformer. The secondary winding is usually a few ohms; if it is too small, there may be inter tu…
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…
what is a loudspeaker?Ask 1. what is a loudspeaker? What is the effect?Loudspeaker, also known as loudspeaker, is an electroacoustic converter that converts analog speech signals into sound.Wave. It is widely used in various electronic dev…
Ask 1. what is a surface wave filter?Surface acoustic wave filter (SAWF) is an integrated filter. Its characteristics are small volume, light weight, simple manufacturing process, high center frequency, wide relative bandwidth, and rectang…
Q5. How to detect ceramic filters? ( 1 ) It is estimated that the resistance value of RX10k2 is infinite, and if the measured value deviates too much, the reading is very small, which belongs to short circuit fault. (2). The Darlington tub…
The structure of the solenoid valve is mainly composed of coil, core, small spring seat, rubber valve, etc. When the coil is energized, the electromagnetic force overcomes the elastic force of the small spring, and the iron core is sucked …
There are many kinds of photovoltaic cells, such as selenium, cuprous oxide, thallium sulfide, cadmium sulfide, germanium, silicon, and gallium arsenide photocell. Among them, the most important thing is silicon photocell, because of its s…
The concept of on-board chip package ( COB ) is one of the bare chip mount technology. It is one of the microelectronic packaging technologies developed after SMT surface packaging technology. It is the bare chip of the integrated circuit,…
What is the size of the resistor?The size of the resistance of the metal conductor is related to the four factors of the resistivity, length, cross-sectional area and temperature of the conductor.According to the law of resistance R=ρL/S1.…
How to choose an air switch The general principle of air switch selection: The rated voltage of the air switch must be greater than or equal to the rated voltage of the line; The rated current of the air switch and the rated current of the…
How to repair the circuit board?Online measurementStep 1: Power on the board. In this step, it should be noted that some boards are not single, they may need 5V, and they need positive and negative 12V, 24V, etc. Don't add the added power.…
The regular inspection of an inverter is preferably performed twice a year. When using the air compressor to clean the frequency converter, a moisture separator should be installed to prevent the moisture in the compressed air from being s…
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…
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…
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…
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…
XA6SLX45T-3CSG324Q ALLICDATA ELECTRONICS LIMITED is an independent distributor, specializing in the sale and service of semiconductor integrated circuits. In order to serve thousands of honorable users, the company has been unremitting eff…
