At present, in China's DWDM backbone transmission network, the system basically adopts a span of about 80km for EDFA optical amplification and 500km~600km for 3R (timing, shaping and amplification) el...
The duty cycle of a switching regulator is often thought of as simply proportional to the input and output voltages. However, when we look more closely at the calculations, we see that this value also...
The AD7746 chip is used to measure tiny capacitors, and its interface is I2C. I would like to ask experts who have worked on similar problems to give me some advice, such as register...
[align=left]TLV2548 is an 8-channel input ADC from TI, and is commonly used for multi-channel remote measurement of analog quantities such as temperature and voltage. [/font][/align][font=华文宋体][size=1...
I'm learning ARM9 recently and want to write some module programs, but I can't complete the interrupt part. I hope you can give me some advice and give me a simple external interrupt program!...
The schedule management system refers to the automatic realization of prompts, playback, recording and other functions at a specified time, such as blowing the wake-up call in the morning and automati...
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]
In the field of software development, the most critical but also the most unpredictable phase is the debugging phase. There are many factors that play a role in the process of software debugging, a...[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]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[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]
TMS320C62X is a new generation of high-performance fixed-point digital signal processor (
DSP
) chip
from Texas Instruments (
TI
). The software design problem based on
DSP
is to use...[Details]
Novaled, a German company, has successfully developed p-type and n-type field effect transistors based on a single-layer pentacene semiconductor layer by using its own p-type and n-type dopants. This ...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
0 Introduction
Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, and new material technology. They have a complex ...[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]
The teardown of the third-generation iPhone shows that the phone is more integrated and may cost less, in part because of the use of chips from Broadcom and Toshiba. One analyst joked that the "S" ...[Details]
1 Introduction
Under the current situation of power shortage in my country, it is very important to monitor power to ensure safe use of power. The research and transformation of power grid...[Details]
0 Introduction
The pipeline detector is a special portable instrument that uses the secondary field principle to detect underground metal pipelines. It generally includes a transmitter and...[Details]
Preface
EEG (Electroencephalography) is a spontaneous potential activity generated by brain nerve activity and existing in the central nervous system, which contains rich brain activity in...[Details]
Most of the current maritime radars in my country are imported radars with a short effective detection range. They are unable to identify signals when the signal-to-noise ratio drops to 3 dB. With ...[Details]
RF/Wirelessly
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