[i=s]This post was last edited by ienglgge on 2016-5-5 21:33[/i] I went to attend a classmate’s wedding a few days ago. I came to the countryside again after such a long time away from home. I don’t s...
[color=#ff0000]Question[/color]: There are many 0805 package chip resistors and capacitors in my [b]PCB[/b]. They should be posted on the BOTTOMLAYER. Later I found that the labels of the lower layer ...
[align=left] Raspberry Pi was developed by the Raspberry Pi Foundation, a charity registered in the UK. Its original design was to help students learn computer programming. After a period of design an...
[font=微软雅黑][size=5]I want to convert a PPT with audio into a video. The material is a PPT with a sound on each page. I need to convert them into a whole video. [/size][/font][font=微软雅黑][size=5]Is ther...
Electrical measurements of nanoscale components—voltage, resistance, and current—pose unique difficulties and are inherently prone to error . The development of materials and components at the quantum...
At the "Global CEO Summit" held in Shenzhen recently, Roger Hall gave a speech entitled "Pushing Performance in RF for 5G Networks".For more details, see “ Roger Hall: Bringing High-Performance RF to ...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Talking
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