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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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In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
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Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
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Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[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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0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
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The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
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1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
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introduction
Cars are becoming an indispensable part of people's lives. However, what worries car users is that the theft of cars is increasing year by year. This paper aims to design a conven...[Details]
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introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
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introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
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introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
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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]
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Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
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The difference between CCD and CMOS sensors Mr.OH! briefly introduced CCD and CMOS in the second lecture, but for most students, what they see is a combination of integrated chips! The detailed int...[Details]