Regarding the selection of signal input mode of power amplifier. In professional audio engineering, we often encounter problems such as signal parallel connection and bridging. First of all, we must c...
I remember that I first came into contact with microcontrollers in 2002. At that time, the only microcontrollers I knew and used were AT98C8051 and AT98C8052. I had only heard of the 51-type microcont...
[i=s]This post was last edited by bobde163 on 2020-11-20 12:10[/i]Today I need to use Fluke F17B+ multimeter to measure uA current, which is different from the measurement of another Uni-T UT890C+. Th...
First of all, I declare that I am a rookie. Although I have worked for some years and have worked very hard, I am still a rookie. There is a cycle that makes me very distressed. When I first joined a ...
How can the compensation circuit R' be equal to R1 in parallel with Rf? When the input signal is equal to 0, are both the input and output terminals equivalent to being grounded?...
The disinfection function of ultraviolet lamps for families is very obvious. Ultraviolet disinfection technology has a high sterilization efficiency and is safe and reliable. Ultraviolet disinfecti...[Details]
On March 10, Espressif Systems disclosed its 2019 annual report. The company achieved operating income of 757 million yuan in 2019, a year-on-year increase of 59.49%; and achieved net profit of 159 m...[Details]
1 Introduction
In the previously published article "Application Research of Static Induction Thyristor (SITH)", we studied the basic characteristics of domestic SITH devices and developed ...[Details]
At present, most of the wireless Internet access of handheld devices is achieved through mobile phones, among which the more powerful representative is Motorola's A6188. However, the mobile phone's n...[Details]
V-cone flow meter
When installed on-site, it can adapt to the measurement of a large number of media, and its application is relatively simple, with high stability and simple installation. However, f...[Details]
Today, the Trump administration officially blacklisted SMIC and CNOOC. In response to this, SMIC announced that it had noticed this morning a news report on the website of the U.S. Department of Defe...[Details]
According to foreign media reports, Unifrax, a global manufacturer of high-performance specialty materials, plans to build the first large-scale SiFAB (silicon fiber anode material) production line a...[Details]
0 Preface
Arduino is an electronic product development platform based on a single-chip microcomputer system. Its software and hardware systems are highly modularized, and the software system is...[Details]
In previous technical courses, we introduced how to use the "one jumper method" and "two jumper method" to set the jumper reference. In this issue, we will explain the three jumper setting reference ...[Details]
Netizens say that Sina Public Testing is not ethical. They will send out new digital products as soon as they are announced, and give away novel and interesting things as soon as they are announced. ...[Details]
The high-voltage switch mechanical characteristics tester is a newly designed special instrument for testing the mechanical characteristics of high-voltage circuit breakers. The high-voltage switch c...[Details]
Leaker Jon Prosser today shared iPhone 14 Pro renderings, which were created by Apple concept graphic designer Ian Zelbo, highlighting a series of specific design changes that are rumored to be comin...[Details]
The common function of the two is to avoid voltage "suspension" and cause circuit instability;
1. The pull-up resistor is shown in the figure:
1. Concept: Connect an uncertain signal to the po...[Details]
With the trend of automobile intelligence, in-vehicle high-speed communication has received industry attention in recent years. In smart cars, the number of sensors such as cameras, millimeter-wave...[Details]
Analogue and Mixed Signal
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