ACCW20LTEB621K620M

Metal detection has been widely used since the early 20th century, when it was used to help the military detect, avoid and remove landmines. In the food industry, metal detection equipment has helped ...[Details]

1. Measure the dark resistance value The method of measuring the dark resistance value is shown in Figure 4.21. Cover the light-sensitive surface of the photoresistor with a piece of black paper. The...[Details]

The spray rating tester is used to determine the surface wettability of fabrics. It consists of a metal frame allowing distilled water to be sprayed through a nozzle onto the specimen at 45° and 150 ...[Details]

In the past two years, "Internet Plus" has continued to ferment, especially after the government work report at the "Two Sessions" last year proposed "Internet Plus" and the State Council issued th...[Details]

Hall sensors are usually used to measure DC current. Since AC clamp meters cannot use electromagnetic induction, the Hall sensors are placed as shown in the figure below. The magnetic flux generated ...[Details]

The ADP160ADP161/ADP162/ADP163 are ultra-low quiescent current, low dropout linear regulators that operate from 2.2 V to 5.5 V and can deliver up to 150 mA of output current. The dropout voltage is...[Details]

　　 Altera Corporation recently announced a revolution in FPGA floating-point DSP performance. Altera is the first programmable logic company to integrate hard-core IEEE 754-compliant floati...[Details]

　　This problem has existed for as long as there have been battery-powered systems: You insert the battery incorrectly, inserting the positive and negative terminals incorrectly, creating a reverse po...[Details]

日产在近日宣布了一项全新的技术「Ground Truth Perception」，该技术目前正在开发中，简单的说利用车辆周围环境的高度准确即时讯息来显著提高防撞能力，也就是从现有的 ProPilot 2.0 进化而来，当车辆遇到前方发生的事故时，可以超前布局直接转向，而非让在快撞到的时候才转向。 In Nissan's recently released medium- and long-t...[Details]

Jiwei.com News Shanghai is the focus of China and the world. Although Shanghai's focus changes with time, it always brews the power to influence the world in the trend of the times. With the unveilin...[Details]

I feel heavy-hearted when writing this summary, because there are still many things I don't understand. . . I feel that my knowledge is still very shallow, and the future is still long. However, the b...[Details]

1 Preface With the development of electronic technology and the continuous expansion of the scale of integrated circuits, various application fields such as industry have increasingly stringent req...[Details]

Traditional induction energy meters are limited by their structure and principle, and usually have shortcomings such as small measurement range, poor stability, and low accuracy, which cannot meet ...[Details]

First, place the mIC 5cm away from the bottom of the bass unit cone, use a sampling rate of 8000Hz and an MLS length of 32768 to measure the near-field frequency response curve of the unit, a...[Details]

The switching power supply circuit of a color TV set includes an anti-interference circuit, a rectifier filter circuit, a degaussing circuit, a start-up circuit, a switching oscillator circuit, a fee...[Details]