Impedance matching is a part of microwave electronics. It is mainly used on transmission lines to ensure that all high-frequency microwave signals can be transmitted to the load point without any sign...
Hello everyone, may I ask where does my program return to after the MCU returns from lpm3 to am from an interrupt?For example:main(){init();while(1){delay1();delay2();LPM3; //Enter lpm3dealy3();}}#pra...
question 9DS-SS system & CDMA capacityformulate and plot the signal-to-interference for the DS spread spectrum
systems.how do you relate the SIR to :a) cell's channel capacityb) BER?Declare any requir...
Mr. Transistor pursued Miss Inductor, but Miss Inductor ignored him because she thought he was a boaster (amplification); Mr. Diode pursued Miss Inductor, but Miss Inductor didn't like him either beca...
The new USB flash drive is 16GB. It never displayed the warning “Do you want to scan and repair removable disks?” when I used it before. I copied a folder of less than 6MB into it, which contained cir...
For an amplifier circuit, when the frequency of the input signal increases, the capacitive reactance of the coupling capacitor and the pole capacitor in the circuit will become smaller, causing signal...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[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]