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① Check the correctness of the transformer winding turns ratio; ② Check the condition of the tap changer; ③After a transformer fails, the transformation ratio is often measured to check whether there...[Details]
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Today, a British website released two new spy photos of what is suspected to be the Pixel 4. One of the photos clearly shows the slender top bezel and a front camera. As previously rumored, the Googl...[Details]
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Modulation Input
Laser diode modules are often equipped with modulation or attenuation control input pins, so it may be necessary to add a Model 2400 or Model 2601 SourceMeter to bias the attenuation...[Details]
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The chip manufacturing process is a long chain, and many important process links require precise detection methods to detect defects, ensure yield, reduce production costs, and improve control proces...[Details]
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Shl and shr are logical shift instructions. 1.shl is a logical left shift instruction, its function is: (1) Shift the data in a register or memory cell to the left; (2) Write the last bit shifted...[Details]
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LED light color and luminous efficiency
The color and efficiency of LEDs are related to the materials and processes used to make them. Currently, red, green, and blue are widely us...[Details]
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I had the opportunity to present an invited paper at the International Thin-Film Transistor Conference 2010 (ITC\'10), an international TFT conference held in Himeji on January 28-29, 2010. The pap...[Details]
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The connection method of two transistors as shown in Figure 1 is called a Darlington circuit,
and its amplification factor is the product of the amplification factors of the two transistors.
...[Details]
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The difference between incremental encoder and absolute encoder
Encoders can be divided into incremental encoders and absolute encoders based on signal principles.
The working p...[Details]
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The traditional electron beam welding power supply system adopts industrial frequency or medium frequency technology, which has the disadvantages of large size, low efficiency, poor beam stability, ...[Details]
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Keysight Technologies, Inc. (NYSE: KEYS), a leading technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, announced today...[Details]
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ARM==Advanced RISC Machines It has created a brand-new business model, realized a fabless factory, and made profits by selling licenses for chip technology intellectual property rights. Sec...[Details]
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Jiwei.com reported that 259 days after being accepted by the GEM Listing Committee, the IPO process of Henan Kaiwang Electronic Technology Co., Ltd. (hereinafter referred to as "Kaiwang Technology") ...[Details]
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Taxi meter microcontroller source code: #include reg51.h #include "lcd1602.h" #include "ds1302.h" unsigned char time_add ; void LcdDisplay(); void keyscan(); uint n=0,s=0; uint j=0,k=0; uint t=...[Details]
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Central topics:
LED flash driver application in camera phones
TPS61310 Movie Lighting/Flash Driver
Solution:
Using the voltage drop method to adjust the ...[Details]
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