In order to facilitate testing, a PCB expansion board was designed and proofed. The board is designed with female headers corresponding to the pin headers of the STM32F401 development board, so that t...
In a world where everything is connected, more and more electronic devices that can understand speech are coming into our sight. In devices such as smartphones, tablets and laptops with Siri or Cortan...
29. What is the requirement for phase noise at 1k offset , 10kHz offset, and 100kHzoffset for GSM handset?Answer: For GSM handset RX it has several architectures to implement:Superheterodyne,near zero...
The evaluation has finally come to an end. In order to achieve the goal of uploading indoor temperature, humidity and atmospheric pressure data to the cloud based on the Essence NB-IoT development boa...
When the servo drive system is loaded, the current waveform follows very well, the current is saturated, and the speed waveform oscillates when it starts (there are two waveforms, one from 0 to 2000 r...
GlobalWafers, the world's third largest silicon wafer supplier, announced today that it plans to build a new state-of-the-art 300mm silicon wafer manufacturing facility in Sherman, Texas, with a capa...[Details]
Jeweler Caviar often gives the latest iPhone or Samsung Galaxy phone a luxury makeover, inlaying it with gold and gemstones and then selling it for a hefty price. However, they recently went...[Details]
1. Necessity of maintenance and fault diagnosis of 6SE70 low voltage inverter
In order to ensure the stability, safety, rationality and efficiency of electrical equipment, reduce the impact of...[Details]
In fiscal year 2023, Continental achieved revenue of 41.4 billion euros, a year-on-year increase of 5.1%. Despite the weak financial data in the first quarter of 2024, Continental remains optimisti...[Details]
A differential signal is a signal that represents the difference between two physical quantities using a single value. Strictly speaking, all voltage signals are differential because one voltage c...[Details]
In LDO Basics:
Noise - How a Noise Reduction Pin Improves System Performance, we discussed how to reduce output noise and control slew rate using a capacitor in parallel with the reference vo...[Details]
Considering the sampling speeds of currently available ADCs and the many different voltage and clock domains inside a typical ADC, it is generally recommended to separate the different power supply ...[Details]
1 Overview
The DS2770 battery monitor and charge controller can complete various functions required for battery maintenance. When used with the main system processor, the DS2770 can comple...[Details]
Despite the global semiconductor shortage that has hampered the development of the automotive industry, Tesla still delivered a record number of vehicles in the second quarter. As a result, the compa...[Details]
Before talking about the system clock, because these devices are all dependent on the system clock, we must first talk about the system clock. The clock system of S3C2440 is as follows There are tw...[Details]
From September 13 to September 16, 2011, the 500KW photovoltaic grid-connected inverter (KNGI900-500HEA) independently developed and produced by Beijing Kono Weiye Technology Co., Ltd. was tested f...[Details]
I have been exposed to AVR microcontrollers before, and found that no matter the textbooks in the bookstore or the Chinese materials on the Internet, they all said to use WinAVR, ICCAVR and the like ...[Details]
Wind River,
a leading global provider of mission-critical intelligent system software,
recently announced a strategic partnership with Hyundai Mobis and Hyundai AutoEver, the world's largest...[Details]
The sound card obtains the sound analog signal from the microphone, and converts the sound wave amplitude signal into a series of digital signals through the analog-to-digital converter (ADC), whi...[Details]
The single-chip microcomputer is a very practical subject. Without practice, everything is just a mirage. It is very necessary to spend some money to buy a development board. ("The development board i...[Details]
MEMS sensors
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