[i=s]This post was last edited by yhye2world on 2019-12-3 15:14[/i]As shown in Figure 1, two circuits designed using MC33063A:The above is the step-down circuit for DC12V to DC5V;the below is the step...
The picture below is the finished board, and the result is the same as the simulation. The purpose is that the first-stage op amp collects a current signal and sends it to the second stage for amplifi...
The advent of supercapacitors has made people curious about its "super" features, what exactly makes it super, and in what fields can its "super" be demonstrated.
Supercapacitors play a significant ro...
Parrot is a small and portable expansion board derived from the parrot board. It supports motor drive, voice playback, voice synthesis and other functions. It can expand 12 IO interfaces and 2 I2C int...
On May 19, according to a list published today by the United States Trademark and Patent Office (USPTO), Apple has obtained a patent for a roll-up iPhone technology that can shorten the size to hal...[Details]
Samsung Electronics Vice Chairman Lee Jae-yong made his second business trip to India this year to inspect the local business situation and meet with local business executives. According to South Kor...[Details]
What does the synchronous generator excitation system consist of?
The synchronous generator excitation system usually consists of the following components:
1. Excitation power supply: A d...[Details]
This reference design is for a 6A buck LED driver for portable projectors. The reference design is based on the MAX16821 PWM HB LED driver. This circuit can drive one LED; three MAX16821s are req...[Details]
Sunny Optical released the shipment status of the company's various products in April. According to the announcement, optical parts are still the business with the strongest growth potential of Sunny...[Details]
On October 20, at the 2021 Yunqi Conference, Alibaba Cloud announced a major upgrade of its self-developed cloud-native relational database PolarDB, realizing innovative functions such as memory pool...[Details]
1 Overview
Frequency measurement plays an important role in communication systems. In recent years, the fields covered by frequency measurement technology have become more and more extensive, ...[Details]
1. The unit of luminous flux (Φ) is lumen (lm). All the radiant energy emitted by a light source and perceived by the human eye is called luminous flux.
2. Luminous intensity (I): The luminous...[Details]
On March 18, according to DIGITIMES, at the annual shareholders' meeting held recently, JH Han, CEO of Samsung's Electronic Devices Experience Department, bowed and apologized for the Game Optimizati...[Details]
Coating thickness gauges, as the name implies, are used to measure the coating or plating on a material or other different types of substances. Commonly used thickness gauges are divided into two typ...[Details]
On June 5, the reporter learned from Tsinghua University that Professor Zhang Yihui's research team at the School of Aeronautics and Astronautics and the Flexible Electronics Technology Laboratory ...[Details]
Lu Yanguo
(Member of the Party Leadership Group of the Shandong Supervision Office of the National Energy Administration)
Implementing the tax and fee reduction policy and reducing the el...[Details]
According to the AT24cxx manual, you can get the address information, and you also need to check the schematic diagram of the 2440 to see which pins A0, A1, and A2 are connected to. Since AT24cxx i...[Details]
Abstract:
Starting from the marketing model of operators to consumers and the marketing model of standard organizations to operators, this paper analyzes the application trends of AVS, H.264,...[Details]
Power technology
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