[b]Contents: [/b] Chapter 1 Overview The necessity of learning transistor circuits or FET circuits Working principles of transistors and FETs Current status of transistors and FETs Chapter 2 Working o...
Hello everyone, my environment is as follows: Development environment: Sourcery g++ Lite Edition (not Personal Edition and Professional Edition) Hardware environment: STM3210E-EVAL evaluation board I ...
[size=4] This push-pull output transistor amplifier HOOD1969 designed by American JHL in 1969 is timeless. Although it has only a Class A 10W output, the volume can be comparable to a 50W home amplifi...
[i=s] This post was last edited by Changjianze1 on 2014-12-15 22:37[/i] [align=center][color=red][size=22.0pt]LCD12864 GUI[/size][/color][color=red][font=宋体][size=22.0pt]Study[/size][/font][/color][/a...
[table=98%] [tr][td][float=right] [/float] RT, let me give you another example that I came up with. For example, when I enter the door, I magnetize people, and then use some kind of magnetic field sen...
[size=4]1. "Example_2802xBUZZER.c", line 2: fatal error: could not open source file "DSP28x_Project.h" Solution: The path set in Build Option->Compiler->Include Search Path is incorrect. It should be ...
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Analog electronics
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