I want to use an Altera FPGA to do a project, but the common routine uses the XC4VLX25 of Xilinx's Virtex 4. Now I need to implement it on an Altera device, so how many LEs does the corresponding Alte...
Use the PVD (threshold 2.9V) power-off detection function of STM32F101RC to save some data into 24C16! The phenomenon is like this: When I keep powering on and off the circuit, there is no problem sto...
After browsing the forum, I didn't find a suitable answer, so I'll ask again. Purpose: After inserting the USB storage device, the application in the storage device can be automatically run, and other...
In the elevator industry, key switches are used in the control panel of the elevator car and the call panel installed on each floor. The keys are required to have high reliability, anti-interference, ...
The software buffer maintained in SerialEventHandler, I don't understand why the calculation of RoomLeft is like this? What does -1 represent? The code may be long, could you please help explain it? I...
Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
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]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[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]
Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
Abstract:
This paper
introduces a data acquisition system based on USB and DSP, which takes advantage of the high-speed transmission characteristics of USB2.0. The overall structure of the ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
1 Introduction
Bandgap reference sources are widely used in various integrated circuits. With the increasing development of modern integrated circuits, bandgap reference sources play ...[Details]
FPGA/CPLD
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