I'm looking for some chips suitable for amplifiers. They need to meet the requirements of VSWR less than 1.8, frequency 4-6GHz, and gain greater than 15dB. Please recommend a few suitable ones, ORZ...
The list is out and can be seen here: https://en.eeworld.com/bbs/thread-1084541-1-1.html
Welcome everyone to guess the questions: https://en.eeworld.com/bbs/thread-1084544-1-1.htmlI originally wanted ...
The maximum input voltage of the board is 60V. How can I disconnect it when it exceeds 60V? I used a self-resettable fuse, but who knew that it would explode directly due to overvoltage?...
This book introduces the latest research results on transient processes in power electronic systems. It analyzes the macro and micro factors that affect the system transient process and their action m...
Except XPD_DCDC, all other GPIOs can be configured as high level.
The default level state of GPIO after power-on is: except for 6 SDIO+GPIO4+GPIO5+GPIO16, the remaining GPIOs have built-in pull-up res...
There are many things to learn about ARM, and interrupts are definitely something that needs to be learned. Since the CPU introduced interrupts, we have truly entered the multi-tasking system and g...[Details]
Application of hardness measurement: Hardness measurement is simple and fast; it does not destroy the sample (non-destructive test); hardness can comprehensively reflect the strength and other mechani...[Details]
On May 12, CATL released several important information at its 2019 performance briefing, including that its supply to Tesla will not be limited to lithium iron phosphate or ternary batteries, that i...[Details]
Although the Internet of Things is widely expected, it is not easy for enterprises to build and deploy the Internet of Things architecture. In order to realize the intelligent interconnection of all ...[Details]
High voltage insulation resistance tester is a commonly used insulation resistance tester product, which is suitable for insulation testing in maintenance, repair and testing machine calibration of v...[Details]
Some time ago, I made a perpetual calendar based on 51 single-chip microcomputer, plus temperature control fan and button time broadcast. Here are some notes. Preparing the Hardware 1:51 single chip ...[Details]
Comparative Method
The surface roughness comparison sample is compared with the measured surface based on vision and touch to determine the value of the measured surface roughness, or the surfac...[Details]
summary
The Fusion Digital Power Designer software that can be used with the digital power supply UCD3138 has a Graphical User Interface (GUI) interface, on which users can edit data and interac...[Details]
According to foreign media reports, a Korean research team has successfully developed a new generation of high-capacity cathode materials for lithium-ion batteries. The Korea Institute of Science and...[Details]
When writing programs for microcontrollers, a microsecond or millisecond delay subroutine is often required. However, C language is different from assembly language, and it is difficult to determine ...[Details]
Multiple media outlets reported that a report released by Strategy Analytics showed that in February 2020, Xiaomi's global shipments exceeded Huawei, ranking third after Samsung and Apple. ...[Details]
As competition in the mobile phone industry intensifies, major mobile phone manufacturers have launched smart product ecosystems to provide users with more choices. Today we got the new color of vivo...[Details]
Headphones and earphones are electroacoustic conversion devices and belong to personal audio. In real life, earphones can be seen everywhere. At home, outdoors, etc., earphones are indispensable. ...[Details]
Preface If we follow the direction of rapid development like Arduino in our daily life, we will definitely use the processors Atmega328P and Atmega32U4. Here, the latter provides native full-speed US...[Details]
After introducing these two functions, let's go back to main.c. For the sake of space, we will not list the header files introduced in main.c in the following experiments. For details, please refer t...[Details]
MCU
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