The price of TPS54340 has risen from 3.5 to 15 yuan. Now 431 is used as the reference and loop, 5 BJTs are used for PWM+DRV, and NMOS is promoted. The replacement cost is 1.2 yuan. The efficiency is e...
For bidirectional DC converters, some tubes have large voltage ringing spikes when boosting, but the voltage is much improved when stepping down, and the opposite is true for some tubes. In addition t...
I would like to ask how to calculate the resistance value and choose the model of the resistor? I only know that this should use the RC discharge curve to calculate the resistance value and power? I d...
Verilog HDL is a language used for digital logic circuit design. The circuit design described by Verilog HDL is the Verilog HDL model of the circuit. Verilog HDL is both a behavioral description langu...
Anyone who has used SIwave knows that the software does not support direct import from Altium and needs to be converted to anf, but exporting from Altium to anf is very troublesome.
Today I found a si...
Digital Pre-Distortion ExplainedDigital pre-distortion technology has been initially developed in software implementation. At present, general pre-distortion technology adopts software architecture, u...
In this article, I will mainly talk about the knowledge gained during debugging interrupts, which may be useful to everyone. Everyone should know that when using the S3C2440 chip, there is a very big...[Details]
The shortwave converter shown in the figure below can enable a simple medium wave radio to listen to shortwave signals. It can convert the 49rTl shortwave band to a 1.6MHz medium wave frequency. At t...[Details]
At EuroShop 2020, Interroll announced the rebranding of its Center of Excellence (CoE) in Denmark. From March 1, 2020, the CoE will focus on commercial belt drives and conveyors. This decision shows ...[Details]
China Mobile's Nzone brand plans to launch a 5G-enabled Nzone S7 series phone on January 5, and according to a teaser on Weibo, the smartphone will have a matrix camera array on the back. The module ...[Details]
The latest news is that Huawei's lawsuit against Verizon, the largest telecommunications operator in the United States, for patent infringement will be heard in Marshall, Texas, on Wednesday local ti...[Details]
According to the Science and Technology Innovation Board Daily on the 17th, a media outlet today quoted an insider as saying that the upcoming Huawei Mate 30 series will no longer use BOE OLED panels...[Details]
4. RIGOL MSO1104Z oscilloscope disassembly: main control chip (ARM) and peripheral chips display
After looking at the main control chip ( FPGA ) and some peripheral chips, let's take a look ...[Details]
"In 2023, the global automotive
LiDAR
market will reach US$538 million, a year-on-year increase of 79%."
The "Global Automotive Lidar Market Report 2024" ("Lidar for Automotive 2...[Details]
As chip demand continues to cool this year, investors are waiting for the bottom of the semiconductor industry to arrive - however, the latest forecast from Texas Instruments, regarded as a barometer...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a contr...[Details]
#1 Materials needed for environment construction Linux kernel code translater File system samba tftp SecureCRT6.0 Development board uboot nfs-kernel-server #2 The relationship between the materials n...[Details]
Starting from the second half of 2023, automobiles will enter inventory adjustment mode. The supply of some
automotive chips
will be relieved, while some automotive chips will still be in s...[Details]
Today, blogger @数码闲聊站 revealed that Xiaomi has a new ultra-high-end flagship product code-named l1, which is tentatively scheduled to be released in Q2 next year. It is equipped with under-scre...[Details]
The basic principle of the density meter is to measure the degree of blackening of the photosensitive material after exposure and development, that is, the blackness. When making plates, the silver...[Details]
Thyristor soft start and voltage reduction principle is a technology that uses thyristors to achieve soft start and voltage reduction of motors or other loads. In this article, we will introduce th...[Details]
Power technology
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