Don't be embarrassed to be laughed at by everyone, I'm about to graduate, but I'm still confused about work. I really don't know how to choose my first job, and I don't know what I can do. My undergra...
[i=s] This post was last edited by shaorc on 2019-4-27 21:41 [/i] [Ask if you don't understand] Design an LC filter circuit for analog audio output signals. Refer to the IR design data Figure 1. For t...
[font=黑体][size=4][b]Are you still using paper business cards? How can this be worthy of your distinguished identity as an electrician? [/b][color=#000]A respectable electrician should have a business ...
First: Strong analytical skills: Ability to continuously examine things and think about ways to make them work better. Good engineers are naturally curious. Second, attention to detail: Even the sligh...
The flexible Renesas Advanced (RA) 32-bit MCUs are PSA-certified, industry-leading 32-bit MCUs based on the ArmCortex-M33, -M23 and -M4 processor cores. RA offers significant advantages over competing...
Requirements for FPGA engineers: 1. Proficient in VHDL/Verilog language and proficient in using FPGA development tools; 2. Participated in the complete FPGA development process; 3. Have experience in ...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]