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phones 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 76 篇文章,持续更新中。

RT8059

The RT8059 is a high efficiency Pulse Width Modulated (PWM) step-down DC/DC converter, capable of delivering 1A output current over a wide input voltage range from 2.8V to 5.5V. The RT8059 is ideal

微导孔与手机板

微导孔与手机板:大哥大手机(Cellular Phones)在外形体积不断缩小下其所用PCB 势必走向<BR>非机械钻孔式的增层法多层板孔径将被逼小到5mil 左右的微导孔(Micro-Via)

微导孔与手机板

大哥大手机(Cellular Phones)在外形体积不断缩小下其所用PCB 势必走向<BR>非机械钻孔式的增层法多层板孔径将被逼小到5mil 左右的微导孔(Micro-Via)<BR>境界再搭配细线

getForex

取得和讯外汇行情发送带手机里面。可以设置浮动大小。-Hearing to obtain and exchange quotations sent to carry mobile phones insi

How Cell Phones Work

Millions of people in the United States and around the world use cellular phones. They are such grea

创惟科技 GL885E USB充电控制芯片

Desktop and notebooks/netbooks are commonly used through the USB ports to charge handheld devices, such as cell phones, MP3/MP4 players, and gaming devices. Before Battery Charging Specificati

正基wifi模组 AP6255 说明书

<p>向有关公司要的台湾正基wifi模组ap6255说明书,公司网站不能下载</p><p><br/></p><p>AMPAK Technology would like to announce a low-cost and low-power consumption module which has all of the Wi-Fi, Bluetooth functionalities. The

PW3130_2.0.pdf规格书下载

<p>The PW3130 series product is a high integration solution for lithium-lion/polymer battery<br/>protection.PW3130 contains advanced power MOSFET, high-accuracy voltage detection circuits and<br/>dela

Foundations of MEMS

Five years have passed since the first edition of this book was published.Over the five years,the<br /> world has witnessed a technological revolution headlined by an array of exciting consumer and<br

Coriolis Vibratory Gyroscopes

Thanks to the advances in micromachining fabrication technologies and significant<br /> cost reduction due to mass production, miniature sensors of angular rate, or<br /> gyroscopes, found their way i

Wireless+Networking+Complete

This chapter provides extensive coverage of existing mobile wireless technologies. Much of the<br /> emphasis is on the highly anticipated 3G cellular networks and widely deployed wireless local<br />

Wireless Receiver Architectures and Design

The advent of modern wireless devices, such as smart phones and MID 1 terminals,<br /> has revolutionized the way people think of personal connectivity. Such devices<br /> encompass multiple applicati

WCDMA for UMTS HSPA Evolution and LTE

Second-generation telecommunication systems, such as the Global System for Mobile<br /> Communications (GSM), enabled voice traffic to go wireless: the number of mobile phones<br /> exceeds the number

Virtualization Essentials

The information age is exploding around us,<br /> giving us access to dizzying amounts of data the instant it becomes available.<br /> Smart phones and tablets provide an untethered experience that of

RF Measurements for Cellular Phones

The market for cellular phones and wireless data transmission equipment has changed<br /> dramatically since the late 1970s when cellular phones were first introduced and the<br /> late 1980s when wir

Next-Generation Converged Networks

The telecommunications industry has seen a rapid boost within the last decade. New realities<br /> and visions of functionalities in various telecommunications networks have brought forward the<br />

Mobile+Technology+Consumption+Opportunities

The growth of mobile technologies is remarkable. At a recent Mobile World Congress Conference, Eric<br /> Schmidt, CEO of Google predicted that within three years, smart phones will surpass Personal C

Mobile Radio Network Design

Mobile radio networks have risen in prominence over the last few years, primarily by the rise<br /> in popularity of cellular phones. It is important to recognise however that mobile radio<br /> techn

Introduction+to+Mobile+Telephone+Systems

Mobile telephone service (MTS) is a type of service where mobile radio tele-<br /> phones connect people to the public switched telephone system (PSTN), to<br /> other mobile telephones or to other co

Introduction+to+3G+Mobile+Communications

The third generation (3G) mobile communication system is the next big thing<br /> in the world of mobile telecommunications. The first generation included<br /> analog mobile phones [e.g., Total Acces