Introduction to power lines (three-phase), signal lines, IO lines, and special power lines. Common points: The wire itself is an impedance body. Why do wires get hot? Why is there a voltage drop? Why ...
Regarding the STM32 of LQFP144, can it be drawn as a 2-layer board?1. I refer to some development boards, most of which are 4-layer. Of course, the board size is relatively small and uses 0603 package...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:00[/i]II. MissionI is taken from the output of the bridge measurement circuit. When R 1 = R 2 = R 3 = R 4 , V I = 0. When R 2 changes, a volt...
[size=4][color=#000000][backcolor=white]1.SAR type (successive approximation type) ADC, this type of ADC has a large internal resistance, generally more than 500K. Even for ADCs with low impedance, th...
1Purchase relevant books and obtain information from the Hangzhou Lierda Company website and the TI website.2FETIf your financial situation is good, you can buy it directly.3FETTo make your own FET si...
Many times, the PCB design routing will pass through vias, test point pads, short stub lines, etc., all of which have parasitic capacitance, which will inevitably affect the signal. The impact of the ...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[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]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Industrial Control Electronics
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