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(1) Alternating current has no positive or negative polarity (2) The current of direct current flows out from the positive pole of the power supply, passes through the load and then returns to the ...[Details]
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2018 was not a good year for most TV companies. With the slowdown of macroeconomic growth and the deterioration of the competition environment in the domestic color TV market, many color TV companies...[Details]
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TUV Rheinland, an international independent third-party testing, inspection and certification organization, and Eyesafe®, a leader in the development of new blue light management technologies, held a...[Details]
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According to statistics from the State Grid Hubei Electric Power Control Center, at 20:33 on March 31, Hubei's maximum electricity load was 23.06 million kilowatts, an increase of 0.75% year-on-yea...[Details]
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5G is the latest generation of network technology, with speeds exceeding 1Gbps and expected to reach 10Gbps in the future. However, 5G cannot function in ground-to-space communications, as curr...[Details]
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In addition to describing some techniques that can help simplify surge testing, this article will also describe some easy-to-implement methods for ensuring that defibrillation-proof surge testers f...[Details]
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Consumer electronics and communication electronic products, such as mobile phones, digital cameras, digital video cameras, PDAs, MP3s, PMPs, P-DVDs, DCs, DVs, NBs, NetBooks, etc., must have certain im...[Details]
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In the process of long-term use of 51 single-chip microcomputers, we found that when the single-chip microcomputer works in an environment with strong interference such as industrial production sites...[Details]
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Check the AC and DC voltage of the circuit; it is convenient to use a pointer multimeter or a setting multimeter to check the continuity of the circuit. The following figure shows the UT61C digital m...[Details]
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Pickering launches new 40/42-788 series microwave multiplexer modules to provide the largest number of channels in microwave multiplexing switches
Multi-function, high-channel mi...[Details]
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The microcontroller model is STC8A8K64S4A12, the font chip is W25Q128 (the font is written into w25q128 using the Atomic Battleship board), and the OLED is a 0.96-inch SPI interface. The program was...[Details]
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Cascading use of counters
A decimal counter can only display ten numbers from 0 to 9. In order to expand the counter range, multiple decimal counters are often used in cascade.
Synchronou...[Details]
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The main function of the loop analyzer is to measure the characteristics of the power supply product under test in the frequency domain, understand its performance and stability, and assist in the de...[Details]
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In the design and construction of communication systems, the communication
power supply
is called the heart of the communication system.
The power supply
system will directly affect...[Details]
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The MAX14955 dual equalizer/redriver improves PCI Express® (PCIe) signal integrity by providing programmable input equalization. This feature reduces deterministic jitter and re-drives the circuit to...[Details]
Analog electronics
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