1. Frame structure comparison
1. Similarities between 4G and 5G
The frame and subframe lengths are both 10ms and 1ms.
Minimum scheduling unit resource: RBDifferences between 2.4G and 5G
1); Subcarrier...
MCU Peripheral Circuit_Lao Wu MCU Practice : https://training.eeworld.com.cn/course/5323Beginners start with the development board + marquee. Although the program runs successfully, they are still con...
As Hikvision products become more and more popular, the technical consulting office now refuses to respond, so I have to ask the experts. In a commercial entity, there are 2 million and 4 million ordi...
One of my projects requires 8-way regulated power supply, 4V to 5V is fine, but it must be stable and not fluctuate too much, and each way has a load of about 5mA. I want to use a reference source chi...
We all know that there are two major types of communication: serial and parallel. The biggest advantage of serial is that it occupies less bus, but the transmission rate is low; parallel is just the ...[Details]
The demodulator is an important component in the modulated DC amplifier circuit. It restores the amplified AC voltage to a DC voltage, and its magnitude and polarity must correspond to the amplitud...[Details]
At present, projectors are common equipment in multimedia classrooms of colleges and universities. However, due to frequent use and mixed personnel, the projector remote control is often damaged or...[Details]
New State of the Internet Security Report Reveals 3.5 Billion Malicious Login Attempts Targeting Financial Services Industry; Report Demonstrates Akamai's Unique Visibility into Cyberthreats Accord...[Details]
C114 News, April 7 (Lesi) Today, Qualcomm Global Vice President Hou Mingjuan revealed at an event that the chip industry is relatively less affected by the epidemic. The chip industry supply chain is...[Details]
introduction
Compared with CMOS image sensor CCD, its development has been highly valued by the industry because it can integrate the timing processing circuit and the front-end amplification a...[Details]
In some areas where power outages are common, electrical appliances are not turned off after a power outage. Once power is restored, they will automatically power on and work. This can result in waste...[Details]
The FP5139 is a boost topology switching regulator control IC for battery powered applications. The FP5139 includes a totem pole single output stage for driving NPN transistors or N-MOS, a high pre...[Details]
Design Principle
With the rapid development of various high-tech frontier technologies, the traditional design of fixed delay time fast front pulse source can no longer meet the needs, and...[Details]
To develop new energy vehicles, power batteries are indispensable. However, even the Tesla electric car, which is developing rapidly, still faces controversy over its power batteries, and whether i...[Details]
In August this year, HMD released Nokia C3, priced at 699 yuan, targeting the elderly market. In terms of appearance, Nokia C3 uses a 5.99-inch capacitive screen, with a body size of 159.6x 77x 8.7mm...[Details]
We recommend using the following output current function to calculate power loss:
The next step is to take the simple expression above and put it into the efficiency equation:
...[Details]
On January 12, Bosch released official news that Bosch Automotive Parts (Suzhou) Co., Ltd. (hereinafter referred to as "Bosch Suzhou"), a wholly-owned subsidiary of the group, signed an investment ag...[Details]
Analysis of single chip microcomputer delay program
When using a single-chip microcomputer, you often encounter situations where a short delay is required. The required delay time is very sh...[Details]
RF/Wirelessly
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