The introduction of new 5G frequency bands means more antennas must be packed into less space. The number of antennas will increase from 4 to 6 in a typical LTE phone today to 6 to 10 in a 5G smartpho...
ARM core adopts RISC architecture. RISC is a design concept, whose goal is to design a set of simple and effective instruction sets that can be executed in a single cycle at a high clock frequency. Th...
The flash I use is spansion, 16-bit 32M. I configure mtd and other options in the 2.6 kernel, and the compilation is successful. But after reloading the system, the error "Kernel panic - not syncing: ...
The debugging is completed. I took a photo and removed all the flying wires. Haha.Unfortunately, the JTAG part is missing an RTCK. Oh my god, I want to bang my head against the wall.[[i]This post was ...
[i=s] This post was last edited by CMika on 2015-1-15 01:10[/i] After a few days of tinkering with the board, I was fed up with typing commands in the terminal, which was not high-end and classy at al...
[font=微软雅黑][size=3][color=#ff0000][b]Event details: [/b][/color][/size][/font][url=https://bbs.eeworld.com.cn/huodong/TI_gytzs_20180601/][font=微软雅黑][size=3]TI Industrial Month inspiration has no limit...
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
The Challenge:
Protect historical relics by monitoring environmental factors without affecting their original appearance.
The Solution:
Developed a monitoring system for the...[Details]
With the reform of the education system, the proportion of funds invested in teaching facilities by colleges and universities has become increasingly important. As the most basic hardware condition fo...[Details]