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Yesterday, Huawei Mate 20 X 5G version passed 3C certification (model EVR-AN00), which is Huawei's first 5G mobile phone to pass 3C certification. Certification information shows that Huawei Mate 20 ...[Details]
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Qorvo has delivered more than 100 million RF devices for 5G wireless infrastructure since January 2018. Qorvo's broad 5G product portfolio includes highly integrated RF front-end solutions for both...[Details]
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In recent days, as the weather in the north turns cooler, the topic of "caring for takeaway boys" has been discussed again online. A topic "Should I order takeaway in bad weather?" was even launched...[Details]
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At present, the anti-theft technology of electronic energy meters is becoming more and more important in the energy meter industry. The energy meter markets in different countries and regions require...[Details]
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When talking about chip definitions, relevant personnel are used to talking about PPA or benchmarking against competing products. This actually focuses more on the results, while the causes of the ...[Details]
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Although Apple's stock price is not cheap, now hovering around $500, its market value has already exceeded the $2 trillion mark, and some institutions have even predicted a $3 trillion market value. ...[Details]
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The reporter learned from the Beijing Municipal Urban Management Committee on the 8th that Beijing has basically formed a public charging pile network with an average service radius of 5 kilometers...[Details]
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1) Hardware:
II) Procedure part:
#include REG51.H
#include ABSACC.H
#define uchar unsigned char
#define uint unsigned int
#define ADC0809 XBYTE
uchar code SEG7 ={0x3f,0x06,0x5b,0x4...[Details]
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GSMA announced that MWC Shanghai 2021 will return as the global debut of the GSMA MWC series. The exhibition is scheduled to be held at the Shanghai New International Expo Center (SNIEC) from F...[Details]
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Electrolytic capacitor knowledge
1. Nominal parameters
These are the values listed on the capacitor casing.
* Electrostatic capacitance, expressed in UF. I won't go into det...[Details]
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Lead-acid batteries are widely used as starting power sources for motor vehicles or generators such as cars, airplanes, and ships because of their simple maintenance, low price, reliable power supp...[Details]
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The function of pull-up resistor:
(1) Used to provide driving capability for OC and OD gate circuits.
Take the OC (open collector) circuit as an example:
For example, the Darlington tube (actuall...[Details]
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Inverting proportional circuit
1. Basic Circuit
The voltage parallel negative feedbac...[Details]
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Recently, the first batch of convenient charging stations in Shihezi City were built and put into use in Tianfu Yucheng, providing citizens with a safe and convenient place to charge electric vehic...[Details]
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With the development of industrial automation, intelligence and informatization, data exchange and communication between industrial equipment have become increasingly important. Efficient data inte...[Details]