I have a simple question. In the amplifier circuit in the figure, Vout=-(Rf/R1)*Vin. I don't understand how R1 and Rf are generally chosen. If the amplification is 100 times, according to the formula,...
[i=s]This post was last edited by chenzhufly on 2014-9-30 17:30[/i] [b][size=10.5pt]1[/size][/b][b][size=10.5pt]、 Installation environment[/size][/b][color=#6D6D6D][/color] [size=10.5pt]Linux[/size][s...
I want to write a program to transfer the image data on the development board to the computer via USB. What is the general idea to achieve this? Thank you~...
The attached document is TI's technical document Application of Bypass Capacitors in High-Speed Circuits. This document has a clear definition of bypass, which can further verify the relationship betw...
The chips used more in China are xilinx, altera and lattice. xilinx has more product series and is quite useful, but the development environment is a bit complicated. xilinx uses three-state connectio...
The motor is connected to the spindle, which has an incremental rotary encoder. The encoder is 1600 lines, the spindle diameter is 150mm, and the spindle rotates at variable speed. 1. What is the curr...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[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]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]