[i=s]This post was last edited by ljj3166 on 2016-8-21 18:08[/i] Warmly congratulate the original poster for successfully compiling Android. I started to power it up today Seeing this level of entangl...
[size=4] Wireless communication is a communication method that uses the characteristics of electromagnetic wave signals propagating in free space to exchange information. Wireless communication techno...
[p=18, null, left][color=rgb(0, 0, 0)][font=宋体][size=4]To do impedance matching for the transducer working in the frequency range of 200KHz-400KHz[/size][/font][/color][/p][p=18, null, left][color=rgb...
/* Crystal oscillator 11059200, baud rate 9600, most accurate error*/ void initUart(void) { TMOD |= 0x20; SCON = 0x50; TH1 = 0xfd; TL1 = 0xfd; TR1 = 1; } How to set options like (9600, n, 8, 1) for AT...
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
Introduction
The MAX2116 P1db data is measured at specific combinations of RF and baseband gain over the adjustable range of these two gains. These data can be used to select gain control se...[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]
In the process of RF transceiver application, adjusting the processing gain (PG) of the direct sequence spread spectrum communication system (DSSS) can obtain excellent anti-noise performance, whic...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is ...[Details]
1 Introduction
In many communication systems, the base station usually sends a training sequence for the terminal to synchronize with the system. The synchronization here includes time syn...[Details]
For mobile phone products, using low-cost components in design is only the first step to make the price competitive. The cost of the production process, especially the cost incurred during the fina...[Details]
0 Introduction
With the release of the "Elevator Supervision and Inspection Regulations", new requirements have been put forward for the inspection quality of elevators by inspection agenc...[Details]
O Introduction
Semiconductor laser (LD) is a solid light source. It has been widely used due to its advantages such as good monochromaticity, small size, light weight, low price and low po...[Details]
Historically, GPS receiver designers have combined simulation and drive testing to determine receiver performance in complex environments. While GPS signal simulation provides a repeatable signal s...[Details]
1 Introduction
Peer-to-peer (P2P) technology is a hot topic in the field of international computer network technology. The prototype of this technology was created in the 1970s, with UseNe...[Details]
1 Introduction
"Power Electronics Technology" is an important professional basic course. In teaching, the working principles of rectification, chopping and other circuits are understood by...[Details]
At the HIMSS AsiaPac08 Healthcare Information Technology Conference and Exhibition held in Hong Kong, E-Healthcare reporter conducted an exclusive interview with Mr. Peter Mongroo, Global Healthcar...[Details]
After LeCroy launched the WaveMaster8 Zi series oscilloscope, Tektronix announced the industry's fastest oscilloscope and probe system. Both parties emphasized that their products are the fastest o...[Details]