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UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
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1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
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The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
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TD-SCDMA terminal conformance test includes three types of tests: RF index test (reference standard: 3GPPTS34.122), protocol signaling test (reference standard: 3GPPTS34.123) and other tests (refer...[Details]
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Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
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1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[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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Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[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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Industrial control
often requires multi-channel fault detection and multi-channel command control (this multi-task setting is very common). A single CPU chip is difficult to directly complete ...[Details]
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A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
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With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
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1.
Introduction
With the rapid development of modern computer technology and Internet technology, embedded systems have begun to occupy the mainstream of the market. Due to the high ...[Details]
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1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[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]
Analog electronics
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