Streamlining mobile phone system design
1. Overview
The streamlined mobile phone system design is an open streamlined mobile phone based on 8051 single-chip microcomputer and Ankexin A9G data communic...
It's really fast. The file is too big. Here's the address: [url=http://www.mcu123.com/news/Soft/embsof/arm/201004/523.html]http://www.mcu123.com/news/Soft/embsof/arm/201004/523.html[/url]...
The picture below shows the time constant of an analog switch:
The two time parameters ton (EN) and toff (EN) are easy to understand.
How to understand the time parameter ttransition, and what is its ...
[i=s] This post was last edited by paulhyde on 2014-9-15 08:52 [/i] I want to design a Siler oscillator with a frequency of about 110M, but I have connected many different capacitors according to the ...
I would like to ask all the experts, how do you implement Rayleigh or Rice channel simulation in your DSP? What changes will the constellation diagram have after the QPSK signal passes through the Ray...
As medical equipment develops towards intelligence, miniaturization, serialization, digitization, and multi-functions, the logic control devices in medical equipment have also evolved from medium- a...[Details]
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
In order to meet the requirements of video systems, industrial and medical display and video transmission applications such as eliminating the limitation of long connection cables, increasing data ...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
With the continuous development of digital television, the demand for high-definition is imperative. H.264, as a new generation of compression standard, has a more complete algorithm than MPEG-2, ...[Details]
1 Introduction
Bandgap reference sources are widely used in various integrated circuits. With the increasing development of modern integrated circuits, bandgap reference sources play ...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]
The automated management and operation system has become an indispensable part of modern enterprises. The video image transmission monitoring system has been widely used in important occasions such...[Details]
Designers have the most say, they believe that the most decisive integrated circuit technology in the 21st century is the field programmable gate array (FPGA), and traditional gate array and struct...[Details]