1. Output Impedance
Before understanding the issue of "impedance matching", let us first learn what "output impedance" is?
In actual circuit design, whether it is a signal source, amplifier or power s...
Since I just came back from abroad to work in China (at a certain chip), EEWORLD did not bind a domestic mobile phone number, so I just relied on checking my personal message center every day to check...
What is CMTI ?
CMTI, Common mode transient immunity, is one of the most important indicators of isolation products (including iCoupler digital isolators and optocouplers). CMTI common mode transient i...
The CS88F313 is a low-power programmable sensor-specific detection circuit with ADC function. It can be used in electronic measuring instruments, environmental monitoring, handheld measuring tools, ho...
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In the control system of MCS-51 microcontroller, its four parallel 8-bit input and output ports P0 to P3 are often used by us. In parallel port programming learning, "marquee" is a typical example ...[Details]
The development of automobile intelligence is very rapid, and various regions have begun to introduce relevant regulations on autonomous driving. Major car companies have begun to try to pay attentio...[Details]
1. Conditions of use:
Ambient temperature: 0℃～40℃;
Relative temperature: ≤85%RH.
2. DC resistance tester measurement range:
The DC resistance tester has six ranges, which are:
1μΩ～20mΩ;
20m...[Details]
Today’s boards have more sources of information and are better prepared to question the effectiveness of their company’s security programs. Their conversations with security and risk management leade...[Details]
Stepper motors are widely used in almost all types of mobile applications such as automation, digital manufacturing, medical and optical equipment.
The advantages of stepper motors are t...[Details]
With the popularization of microcomputer relay protection, protection devices have gradually been equipped with corresponding data interfaces to realize remote data transmission of important inform...[Details]
As an engineer, you need to get the most out of RF technology. User experience is critical and user expectations are high. So, how can you get the most out of RF technology? Today, the market deman...[Details]
Beijing time on January 10th, Ann Carlson, acting director of the National Highway Traffic Safety Administration (NHTSA), told reporters on Monday that the regulatory agency is moving “very quickly” ...[Details]
The so-called "lead-free" does not mean that the presence of lead is absolutely prohibited, but it requires that the lead content must be reduced to a level below 1000ppm ( 0.1%), and it also means...[Details]
With the gradual development of the domestic automobile industry, the LED automotive lighting market has gradually become more promising. So, is the LED automotive lighting market a smooth road? Wh...[Details]
0 Introduction
For traditional flow detection systems, most of them use electromagnetic sensors, which are easily affected by external magnetic fields and lead to incorrect flow measurement. MSP43...[Details]
A few definitions:
1. Magnetic field intensity H, unit: A/m (From the dimension, we can know that this physical quantity is born and dies together with the electric current. It can be understo...[Details]
SEMI recently stated that North American semiconductor equipment manufacturers' total revenue in April was US$2.26 billion, up 2.2% from US$2.21 billion in March and up 17.2% from US$1.93 billion in ...[Details]
AT89C2051 is a simplified version of the 51 microcontroller. It has removed the P0 and P2 ports and has only 20 pins. However, it integrates a very practical analog comparator, which is particularly s...[Details]
Data is almost present in the lives of Generation Z workers. Whether it is daily photos and videos, or work documents and PPTs, data needs to be stored. The common choice is "cloud storage", which is...[Details]
Analogue and Mixed Signal
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