I have never used field effect tubes and know very little about them. I went to the local market to find out but no one sold them. I would like to ask you: 1. What are the types of field effect tubes ...
Then if I plug it directly into the laptop, it seems that the voltage is not enough? The power light is not on.If I plug it into a hub, there is enough power, but I can't find the serial port.Is it my...
[b]Reposting an article, maybe many friends have read it, but I still think that some netizens have not seen it, so I forward it now, hoping that it will be useful to everyone! [/b] Due to the problem...
A core board of the Internet of Things, equipped with tencentOS tiny system,
Equipped with high-brightness LED control and Bluetooth module; almost new...
This paper discusses the transformation of the power supply of the centralized inverter control system in the polyester industrial production process. The system uses the Intel MCS251 series single-ch...
In the process of learning PWM module, I am not very clear about the concepts of synchronous update, asynchronous update and immediate update. I hope someone can explain it to me.......
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 latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
Sensors have made inroads into automotive, medical, industrial and aerospace applications. But you may not see anything changing yet. Growing demands for safety, convenience, entertainment and efficie...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[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]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Introduction
The MAX2116 P1db data is measured at specific combinations of RF and baseband gain over the adjustable range of these two gains. These data can be used to select gain control se...[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]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
Abstract:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[Details]
In the process of RF transceiver application, adjusting the processing gain (PG) of the direct sequence spread spectrum communication system (DSSS) can obtain excellent anti-noise performance, whic...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is ...[Details]
1. Intrusion Detection System (IDS)
IDS is the abbreviation of "Intrusion Detection Systems" in English, which means "Intrusion Detection System" in Chinese. Professionally speaking, it monito...[Details]