My graduation project is to make a TV signal transmitter, but I have never drawn a radio frequency circuit board and I don’t know how to draw one, so I would like to ask the masters for help. I would ...
I am using a Huaheng AT91ARM9200 board and have a problem testing flash read and write. After modifying /devices/mtd/maps/at91arm9200 and adding a new partition, the open is successful and the first c...
The company has initially decided to develop a "distance measurement and locator based on DWM1000". The requirements are as follows: 1. In the case of line of sight (open, no obstacles), achieve dista...
I saw that some cost more than 400 yuan, including test boards. It's very expensive, but I just want to transfer the program to stm32. Is there any way to make my own if I can't find the information o...
These two books have detailed descriptions of VGA controllers, including graphic and character display methods. One is FPGA Prototyping by Verilog Examples and the other is FPGA Prototyping by VHDL Ex...
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]
Maximize instrument utilization and reduce
test times
Increasing the throughput of automated test systems can improve efficiency. Using off-the-shelf tools (COTS) such as multicore proc...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[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]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
Introduction
High voltage power supply is an indispensable part of nuclear radiation detection instrument, which supplies high voltage to nuclear radiation detection devices (such as prop...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[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]
0 Introduction
Implantable medical devices can be divided into two types: passive and active. Most passive implantable medical devices are non-electronic products, such as contact lenses, hear...[Details]
Introduction
DFT (Discrete Fourier Transformation) is an important transformation tool for digital signal analysis and processing such as graphics, speech and images.
The amount of calcula...[Details]
Femtocell base stations are required to meet stringent requirements in terms of interference, compatibility testing between mobile devices and networks (such as ad hoc networks, handovers), and mee...[Details]
The car sensor simulation tester simulates the input signal of the car computer and replaces the sensor. It does not need to replace the sensor, so it can accurately judge the quality of the sensor...[Details]
0 Introduction
With the rapid development of modern science and technology and the progress of society, service robots are becoming more and more closely connected with people's lives,...[Details]
0 Introduction
With the development of society, people's awareness of medical care is getting stronger and stronger, so the training of doctors has become a very important link. Although m...[Details]
1 Introduction
The DVB-S digital satellite live broadcast system standard is designed to meet the bandwidth of satellite transponders and the transmission characteristics of satellite sign...[Details]
PCB Design
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