Ladies and Gentlemen, since the ciss, coss, and crss of mosfet can reflect the turn-on and turn-off performance of discrete devices, why are coer and cotr still required in the specification?...
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
[i=s]This post was last edited by cpsiot on 2022-7-28 20:57[/i]Since this PLC involves many components, it took a lot of effort to collect all the components and modules. Thanks to my friends for prov...
My program design is: use PWM as a trigger source to trigger ADC acquisition and use DMA to fetch data to memory. My design is: PWM is connected to an external circuit to turn on the signal. Since the...
High-frequency circuits are often highly integrated and have high wiring density. The use of multi-layer boards is necessary for wiring and is also an effective means to reduce interference. In the PC...
Let's analyze why PIC has BANK and PAGE settings from the perspective of PIC's instruction structure. First, let's look at why PIC divides the RAM area into multiple BANKs.
Carefully observe the form...[Details]
The purpose of transformer
A transformer is a static electrical device that transforms alternating current.
Classification of transformers
Transformers can ...[Details]
1 Device characteristics
The DS12C887 real-time clock chip has rich functions and can be used to directly replace the clock calendar chip DS12887 on the IBM PC. At the same time, its pins are als...[Details]
Silicon Labs said recently that its mission in 2020 is to simplify the way everyday devices connect to the Internet. Silicon Labs said that in addition to planning to launch new security platforms a...[Details]
iic interface, GPIO1 needs 3.3V to 5v module. The program has been debugged and can be used. The serial port outputs crystal 11.0592 and the baud rate is 9600. SCL=P0^6; iic interface needs 3.3V to 5...[Details]
Samsung is said to be planning to form a special task force called "Dream Platform One Team" to design and customize its own mobile Application Processor (AP) to compete with Apple's Apple Silicon ch...[Details]
In signal transmission, BCH code is widely used in dynamic real-time wireless communication, while the underlying single-chip microcomputer-level signal transmission often only uses simple methods ...[Details]
According to the technical manual provided by ST, the ADC parameters of STM32F103 are quite excellent, with a sampling rate of up to 1MHz, 12Bit, and various errors are also lower than those o...[Details]
On Tuesday, US energy storage solutions provider KORE Power unveiled plans to build a factory in the United States that will produce lithium-ion batteries for its Mark 1 energy storage ...[Details]
Recently, media reported that Japan’s Panasonic Holdings announced that it will mass-produce a small all-solid-state battery from 2025 to 2029. Panasonic also said that if it can be realized, it is e...[Details]
PCB and components will warp during the welding process, and defects such as cold solder joints and short circuits will occur due to stress deformation. Warping is often caused by temperature imbalan...[Details]
1. Fault phenomenon Phase lock error occurs after the instrument is turned on 2. Testing process There are many circuits in the phase-locked circuit design. According to the principle block diagram...[Details]
The hardware of Ok6410 is much more powerful than that of mini6410 (same price), but the uboot of ok6410 is not convenient to use. You need to enter many commands to burn a system. I still miss the c...[Details]
According to foreign media reports, researchers at the Oak Ridge National Laboratory (ORNL) in the United States have developed a smart power electronic inverter platform that can connect local energ...[Details]
When porting QT4.5 to mini2440, I encountered the problem of displaying Chinese in QT. Based on the information searched on the Internet, the solution is summarized as follows:
Step 1: Dow...[Details]
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