This is a courseware on RF and mixed analog and digital PCB design. I hope it will be helpful to people who are working on high-frequency circuits.
It mainly includes:
RF PCB layout and mixed analog a...
[i=s]This post was last edited by damiaa on 2016-11-16 21:42[/i] [size=5] [color=#808000]When making products, I have to worry about every chip selection[/color][/size] [color=#0000ff]Have you ever en...
Hello, a company has an interview question. It uses Samsung's 128S64AA1 display module and requires the Chinese display signal output to this module to be converted into an English display signal. I d...
[i=s] This post was last edited by dontium on 2015-1-23 11:47 [/i] Op amp noise calculation example: The noise calculation is mainly based on the derived formula in Chapter 2. 1. Calculate the noise b...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:13[/i] [b]Preface: [/b] I am usually too lazy to post spam on BBS. I am a lurker. I have seen many people write about their experiences and r...
Hello everyone, I just received an offer from H3C's low-end Ethernet switch product management department. I just graduated. Does anyone know about this company? How is the department? Thank you...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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 Guang...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[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]
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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Analog electronics
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