Basic concepts of RF power amplifier
The RF power amplifier (RF PA) is the main part of the transmission system, and its importance is self-evident. In the front-stage circuit of the transmitter, the ...
Now the vacancy rate of commercial buildings is slowly increasing, and many offices have begun to withdraw. The one next door is empty today. Today our company is discussing this issue again. Now the ...
There are several types of remote control codes, the common ones are 32-bit codes and 42-bit codes. The remote control I have now is 42-bit code, as shown in Figure 1. When a key is pressed, a start c...
The situation is as follows: I want to implement the softphone function on a PocketPC with a CPU main frequency of 200MHz (operating system Windows Mobile 5.0) and transmit voice in AMR format. I need...
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]
1 Introduction
The ball nut is the internal thread element of the ball screw pair. Its precision directly affects the transmission quality of the ball screw pair. Due to its advantages such as...[Details]
As the global leader in virtual instrument technology, NI provided customers with more than 6,000,000 virtual instrument measurement devices in 2004 alone. For 25 years, engineers have used virtual...[Details]
What is Power Monitoring Software
Power monitoring software is used in conjunction with an uninterruptible power supply (UPS) to improve its performance. When using an UPS, users can use this ...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to be solved urgently. As an important method for detecting automobile ex...[Details]
Tags: PMP Digital Signal Processing
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: o...[Details]
Power over Ethernet
(POE) Overview
POE (Power Over Ethernet) refers to the technology that can provide DC power to some IP-based terminals (such as IP phones, wireless LAN access points ...[Details]
The progress and development of computer technology and modern communication technology have made Zigbee technology mature. This system has established a mesh network based on the Zigbee2007/PRO proto...[Details]
LED is a new type of semiconductor light source that is efficient and environmentally friendly. It has advantages that other light sources cannot match. It has a bright future in future automotive lig...[Details]
Google held the I/O conference in San Francisco on June 27, US time. It is worth noting that the number of devices equipped with the Android operating system has tripled in one year. At this time last...[Details]
On March 27, Sharp announced the news of capital business cooperation with Taiwan's Hon Hai Precision Industry, the world's largest EMS (electronics product manufacturing service) company. This decisi...[Details]
Electronics Design Contest
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