Reposted from Han Bin’s blog: http://www.cnblogs.com/crazybingo/archive/2010/05/14/1735338.html
1. Introduction
It is rumored that CPLD has a defect, that is, there is no storage module inside, so it ...
I have been working on a resistance measuring instrument these days. It is specified that the comparator inside the 430g2553 should be used. I have read all the contents of that section and have under...
I am trying to read the temperature value in While(1) of BOOTLOADER 2nd main program, but I cannot enter the interrupt mode. I changed to query mode and can read the temperature, but the program termi...
Product: PDA device, CPU: PXA270 Cause: In power management, PDA has two power supply modes: [color=#000080]1. Battery[/color]; [color=#000080]2. External power or USB power supply[/color] When the [b...
For an undamped system, a spring connects a car with a certain mass and a wall. What will happen if a certain amount of energy is given to the car? The car will continue to oscillate. Imagine that the...
The latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[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]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
To help improve DC/DC conversion efficiency at lighter loads and higher frequencies, Schottky diodes can be integrated into MOSFET chips to form a single package to reduce power dissipation in the ...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
1 Introduction
Many test systems require real-time data acquisition while continuously moving. If the test process is discontinuous, or the test position is in front and the acquisition is...[Details]