In the microwave frequency band, how to ensure that the output signal of the amplifier will not be fed back to the input end? What should be paid attention to when connecting multi-stage amplifiers? I...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:29 [/i] There are many Chinese documents of NEC Electronics, come and explore~~NEC Electronics provides many Chinese documents of NEC Electr...
[url=http://forum.eet-cn.com/BLOG_ARTICLE_16573.HTM]Management of Foreign Engineers[/url] [p=16, null, left][color=rgb(0, 0, 0)][font=Arial, Helvetica, sans-serif, 宋体][size=12px]Management is a big to...
A very good post in Neoic forum, which describes in detail how to use C language to develop 51 series MCU. For details, please see the following link: [url=http://www.neoic.cn/bbs/read-htm-tid-258.htm...
I use GPRS47 to send data in GPRS mode. During debugging, I found that:AT*E2IPO=1,"220.181.28.42",80CONNECTThis means that it has been connected to the network and can send data. However, in this data...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
