According to the principle of virtual short circuit and virtual open circuit of ideal op amp, Vout=-(Rf/R2)Vin is calculated, but there is an extra resistor R4 inside, I don't understand what it does,...
[i=s]This post was last edited by yang_alex on 2015-3-16 22:38[/i] I wrote this post yesterday, but there are some problems with the verification program. I wanted to solve them before writing it toge...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Controller Area Network (CAN) is a type of fieldbus. It is a serial communication network that effectively supports distributed control or real-time control and is recognized as one of the most pro...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
As microcontrollers become less expensive and more powerful, electrical designers are finding it more cost-effective to use multiple small controllers in both single-board and multi-board systems. ...[Details]
introduction
Usually, there are many input and output ports in RF systems, and it is expensive to use a multi-port network analyzer to analyze scattering characteristics. Therefore, it is ...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
Fetal monitoring is an important means to ensure the safety of perinatal mothers and fetuses and achieve eugenics. Intelligent fetal monitoring is a monitoring method that analyzes the health stat...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support.
Provide technical support for the application of the products you sell, and handle quality issues ra...[Details]
l Introduction
Traditional human-computer communication is achieved through keyboard or mouse. The speed of information exchange is relatively slow, and the operator is required to have certain...[Details]
In recent years, with the rapid economic growth, wireless communication has developed rapidly. Since spread spectrum signals have the characteristics of anti-interference, confidentiality, anti-det...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
Frequent dropped calls, "network busy" messages, and intermittent service are all potential symptoms of poor device interoperability. Often, these issues are caused by either insufficient validatio...[Details]
1 Introduction
The LCD driver terminal integrates the LCD controller, microcontroller, etc., and encapsulates the functions of LCD control and graphical interface display through software....[Details]
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: one is wireless communication technology and t...[Details]
Modern living patterns make the safety of family life particularly important. At present, security prevention and alarm systems are important guarantees for ensuring the safety of residences and re...[Details]
Analog electronics
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