[i=s]This post was last edited by qwqwqw2088 on 2021-4-20 10:07[/i]Description of the problem:The customer requested to select an AC/DC flyback chip with higher efficiency than the general UC384X or U...
2SK2837 is a commonly used field effect tube in common AC-DC switching power supply products. With the shortage of domestic chips and the problem of the 2020 epidemic, field effect tubes are gradually...
void AD7708WriteRegister(char addr,long dat){SpiWriteData(addr); //Write the communication register and notify the next operation: write the addr register if(IsLong[addr]) {SpiWriteData(dat>>8);} char...
The tremendous growth of the wireless communications industry means that there has been an explosion in the testing of components and subassemblies for wireless devices, including the testing of the v...
Due to the defects of the Bluetooth security protocol itself, mainstream Bluetooth chips from companies including Apple, Intel, Samsung, Qualcomm, CSR, etc. are facing the threat of BIAS counterfeit a...
On August 16, Juchen Co., Ltd. released its 2021 first half performance report, showing that it achieved revenue of 264 million yuan, compared with 218 million yuan in the same period last year, a ye...[Details]
1 Introduction
ICS1523 is a high-performance, low-power synchronization signal generator. It is widely used in video applications that require horizontal synchronization and genlock. Due to the use...[Details]
introduction
With the rapid development of the automotive electronics industry, there are more and more electronic devices on vehicles, and the control between electronic devices is be...[Details]
Silicon Labs and the Z-Wave Alliance recently announced a plan to open the Z-Wave standard, which will be available for development by all chip and stack vendors. With this open plan, both semiconduc...[Details]
In October 2019, Tesla did something that seemed like an ordinary marketing operation: it opened reservations for the domestically produced Model 3. Even the most optimistic people did not expect wha...[Details]
The source program of the PIC series microcontroller refers to the program written in the mnemonic instructions of the PIC (assembly language program). Here we will briefly introduce the format r...[Details]
This report will introduce some of the latest rugged high-power LDMOS transistors and their electrical characteristics, and judge their ruggedness levels through comparative testing procedures.
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For Huawei, after the United States upgraded the ban, the blow to their self-developed Kirin chips was the most direct. It is no wonder that Yu Chengdong said that Kirin 9000 (based on TSMC's 5nm pro...[Details]
Martin Rowe, senior technical editor of TMW, recently wrote about this in his blog: When he was preparing the next issue of the magazine, an engineer told him that the probes on their high-end oscillo...[Details]
introduction
With the popularity of personal digital assistants (PDAs) and thin-capacity computers, touch screens are becoming more and more common in our lives as a medium for terminal and user in...[Details]
The B jump instruction is independent of the code position. After assembly, it will be replaced by the current PC value plus (minus) a correction value. No matter which address this instruction is ...[Details]
The mmap function used in user space is provided by glibc Statement found through man mmap #include sys/mman.h void *mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset);...[Details]
Combining the power device expertise of both parties to create best-in-class power modules Improve energy efficiency, design simplicity and reliability of customer products Industrial IPM enginee...[Details]
Open the Chinese reference manual of STM32, which contains detailed annotations on the low power mode of STM32. 1. Sleep mode (Cortex™-M3 core stops, all peripherals including the peripherals ...[Details]
Abstract:
A good intelligent connected vehicle in-vehicle service ecosystem can not only promote the healthy development of the intelligent connected vehicle in-vehicle service market, but al...[Details]
Analogue and Mixed Signal
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