RF Test Notes is a column where frontline engineers in the industry introduce RF microwave test technology through a combination of theory and practice, mainly covering noise figure, digital modulatio...
[i=s] This post was last edited by Qingchengshanxia on 2017-9-27 14:42 [/i] When using the ASN compiler to compile the ASN.1 code into C language, a prompt "Parsing across buffer boundaries" appears i...
Introduction to Brushless DC Motors
Brushless DC motor, abbreviated as BLDC (Brushless Direct Current Motor). The stator of the motor is a coil, or winding. The rotor is a permanent magnet, or magnet....
Please!!!!!! I want a paper on "Simple Digital Storage Oscilloscope Design", I would be grateful!!! [email=253182669@qq.com]253182669@qq.com[/email]Thanks again!!!...
This paper introduces a 48bit+24bit×24bit MAC unit design with saturation processing function. In the design of the multiplier, an improved booth algorithm is used to reduce the number of partial prod...
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
Cloud computing is a network-based computing method. In this way, shared hardware and software resources and information can be provided to computers and other devices on demand. Cloud computing is th...[Details]
According to the National Shipbuilding Industry Economic Research Center, the total shipbuilding capacity in my country last year was about 9×106t. The new ship orders exceeded 17×106t, accounting ...[Details]
1. Introduction
Diesel engine test is the last key process in the diesel engine production process, which plays a very important role in the manufacturing quality of diesel engines. Its main c...[Details]
RF/Wirelessly
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