Today is December 31, 2021, the last day of 2021. I should summarize what I have gained at EEworld on this day.Summarizing 2021, I feel that time has passed too quickly. In a blink of an eye, another ...
The influence of antenna structural parameters on antenna performanceThe parameter scanning analysis function of HFSS is used below to analyze the actual effects of the resonant length L of the invert...
Keil's code optimization is really annoying. Last night, the program failed when I selected -O0 optimization. Today, the program failed when I didn't select -O0 optimization. I don't know what to do....
1. Tools and materialsComputer, Windows systemESP8266 development boardmicro-USB cable1 LED light 1220Ω resistor 1breadboard + some jumpers
2. Hardware Connection3. Method steps1. Open the Zero Knowle...
The rk3568 chip is very powerful and can support many screen interfaces. The display interface support is very rich.The sunychip-rk3568 development board supports the screen with MIPI interface. The i...
According to the analysis, it is concluded that the introduction of negative feedback can widen the bandwidth, but what I don't understand is: what is the graph of the equation 20lg|Af|=20lg|A|-20lg|1...
According to news on March 20, TrendForce recently released a report stating that Kioxia and Western Digital took the lead in improving capacity utilization, driving the annual NAND Flash output to i...[Details]
As we all know, as the requirements for the power density of new energy drive motors continue to increase, new energy practitioners are gradually shifting their thinking on motor cooling solutions ...[Details]
Design goals of DC motor drive circuits
In the design of DC motor drive circuit, the following points are mainly considered:
Function: Is the motor unidirectional or bidirectional? ...[Details]
According to news on September 28, on September 26, FAW Jiefang Vision Power Intelligent Battery Manufacturing Base Project officially laid the foundation stone in Wuxi. Relying on the new energy i...[Details]
With the widespread use of electric vehicles, DC charging piles are an important infrastructure for electric vehicles, and their normal operation is particularly important. This article analyzes th...[Details]
With the rapid development of new energy vehicles, vehicle thermal management issues have become the focus of the industry. The performance of the thermal management system directly affects the ove...[Details]
According to Gartner, the global Infrastructure as a Service (IaaS) market will grow to $140 billion in 2023, up 16.2% from $120 billion in 2022. Amazon will continue to rank first in the IaaS ma...[Details]
The application of big data in this field is mainly reflected in two aspects: clustering of video recordings and query and information mining of video structured data.
1. Cluster storage...[Details]
STK6153 RF output amplifier circuit diagram
The internal pre-stage of STK6153 adopts constant voltage source bias, which can better stabilize the working state of the output stage. However, th...[Details]
When we learn about motors, we often encounter such a phenomenon: when the motor starts, the current rises rapidly, and then gradually decreases as the speed increases. When the motor reaches a sta...[Details]
Wire harness grounding distribution is also called grounding distribution. Whether it is necessary to have a separate grounding or whether it can be shared, etc., these are all the contents of grou...[Details]
Power Integrations Launches New Switcher IC Family with Multiple Independently Regulated Outputs – InnoMux-2
New GaN IC simplifies AC-DC and DC-DC conversion stages into a single-sta...[Details]
Before explaining, let me introduce the s3c2440 clock system. Generally speaking, the main clock source of the MCU is mainly an external crystal oscillator or an external clock, and the most common...[Details]
Industrial control cabinet is a kind of equipment used in industrial automation control system, which has multiple functions and effects.
Centralized control function
The core f...[Details]