The teacher assigned several review questions. I need detailed answers. The calculation process is the best. 1. As shown in the figure, it is a small signal resonant amplifier with a center frequency ...
As the title says, are there any key points or special knowledge points that need to be paid attention to that will help me master the knowledge of WINCE? Thank you very much...
The baud rate of serial data is fixed, which is exactly 300KHz. The data is random and has no periodicity. It is required that the data can be output continuously without interruption. I hope to discu...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:51[/i] After four days and three nights, the National College Student Electronics Competition finally ended. We failed. I think it’s time to ...
The 16th China Auto Accessories and Modified Cars ExhibitionExhibition venue: China International Exhibition Center (New Hall), No. 88 Yuxiang Road, Tianzhu, Shunyi, BeijingDate: March 1, 2013 to Marc...
[i=s] This post was last edited by Wuxia Amon on 2015-2-17 17:36 [/i] Error (10500): VHDL syntax error at bell.vhd(80) near text "process"; expecting "if" I have just started learning cpld, and the fo...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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 to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Analog electronics
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