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Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
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The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
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Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
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Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
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In a Class D audio power amplifier, the preamplifier is a relatively important module. It is located at the front of the entire topology and completes the processing of the input signal source,...[Details]
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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]
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Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
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1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
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1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[Details]
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Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
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Abstract This paper
introduces a wireless radio frequency transmission chip nRF9E5 based on 8051 core. The remote control system of flapping-wing micro-aircraft is made by using this chip. Th...[Details]
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With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
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With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]
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Battery system architecture
For many years, nickel-cadmium batteries and later nickel-metal hydride battery technology have dominated the market. Lithium batteries have only entered ...[Details]
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Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]