Abstract: The principle of phase-shifted full-bridge ZVS converter is introduced, and a 3kW phase-shifted full-bridge zero-voltage high-frequency communication switching power supply is successfully d...
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This program uses I/O port to simulate SPI. It was originally a 51 program I found from ouravr. After transplantation, it can be used on LM3S1138. Now it can only read files and display the file conte...
Very happy to receive the board:Above:After taking a quick look at the data sheet, I found that there is not much difference with the same model of STM32:It seems that CAN and USB cannot be used at th...
Job Responsibilities:1. Responsible for component selection;2. Design hardware solutions and related hardware circuits, draw schematics and PCB designs according to product requirements;3. Debug circu...
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
Until now, designers have faced a trade-off in ADC selection. Pipeline converters offer high resolution and wide dynamic range, but their power consumption is quite high. The alternative, discrete ...[Details]
No other sector is feeling the pressure for change more acutely than the healthcare industry. Healthcare organizations and services are desperate to reduce costs, but the challenge is to do so without...[Details]
TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
Preface
Phase-modulated pulse signals can achieve a large compression ratio. As a commonly used pulse compression signal, they are widely used in modern radar and communication systems. Wi...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
Siimpel announced that its MEMS-based silicon camera technology, SiimpelFocus SF9x, has been used in Motorola's newly released MING A1600 mobile phone. The MING A1600 is the industry's first mobile...[Details]
1 Introduction
With the rapid development and continuous progress of computer, network communication and Internet technology, embedded systems are widely used in homes and industries. ...[Details]
Analog electronics
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