There are basically two types of PCB copper coating methods: A. Flood over copper coating: the pad and GND are connected to form a complete copper foil. B. Cross copper coating: the pad and the large ...
[align=left][align=left][color=black][font=MingLiU][size=10.5pt][/size][/font][/color][color=black][font=MingLiU][size=10.5pt] Human body sensing function; [/size][/font][/color][color=black][font=Min...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:01[/i][i=s]This post was last edited by paulhyde on 2014-9-15 09:01[/i] Just neededRobotics Lecture 4...
Definition and important indicators of RF amplifierThe concept and important indicators of mixerRF_Mixer_Concept_Graph_01.pngInterdigital Structure and Index Evaluation of SAW FiltersOscillator Functi...
Today is the Lantern Festival. I would like to wish everyone a happy Lantern Festival! For Chinese people, the Chinese New Year is not over until the Lantern Festival. The Lantern Festival on the 15th...
[align=left] UL2056 is a safety standard for mobile power terminal products launched by the United States. UL 2056 responds to the global demand for safety standards for mobile power, protects consume...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[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
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]