HFM302B

　　Reliability and real-time are the basic requirements for control systems. The initial motor controls used analog circuits with discrete components. With the advancement of electronic technology, fr...[Details]

summary To meet the demand for high-speed data transmission, data centers are booming, and the role of optical devices is becoming increasingly important in thi...[Details]

Sensitivity One of the main uses of a spectrum analyzer is to search for and measure low-level signals. The ultimate limitation of such measurements is the noise generated by the spectrum analyzer it...[Details]

In the switching power supply , the duty cycle plays an important role. It adjusts the conduction time of the switch tube. The higher the duty cycle, the higher the output voltage. The duty cycle is ...[Details]

Perhaps the most common IC in isolated switching power supplies , the TL431 shunt regulator provides a simple, low-cost way to accurately regulate output voltage. Figure 1 is a block diagram of the...[Details]

Some LED products, especially those on flashlights, have different light beam colors. This is not some hidden trick to make them look pretty, different light colors have different applications. Her...[Details]

When performing current transformer excitation characteristics, ratio, polarity, load, DC resistance, primary current, angle difference, ratio difference, and AC withstand voltage tests, please move t...[Details]

The common straight-slide potentiometer is shown in the figure, model WH20A. The common faults of this potentiometer are mostly caused by the poor contact between the carbon resistance sheet ...[Details]

Lenovo announced its first quarterly results for the 19/20 fiscal year. From the data, revenue and profit have achieved double growth, which is a good start. At the financial report communication mee...[Details]

On August 11, the Zhejiang Provincial Department of Natural Resources announced the results of a land bidding and auction. The document shows that the land transaction price is 63.83 million yuan, th...[Details]

On September 3, 2019, the "Second Global IC Entrepreneurs Conference and the 17th China International Semiconductor Expo ( IC China  2019)" was grandly held in Shanghai. At the exhibition, the well...[Details]

    Abstract: The use of DTMF signals to achieve long-distance microcomputer communication has the characteristics of long transmission distance, accurate data and strong anti-interference ability. ...[Details]

Apple reportedly plans to add a slew of new features to the Apple Watch, including blood pressure trends, a thermometer for fertility and sleep tracking, sleep apnea detection, and diabetes detection...[Details]

As the old year comes to an end and the new year arrives, the automotive market is also experiencing a wave of updates. Facing 2021, there are some of the latest automotive technologies waiting for p...[Details]

A new king has been crowned Who would have thought that just a few years after BYD became the big brother in the pure electric market, the times would change. When the tim...[Details]