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Telecom

DN452 汽車應用的電源監視器

The LTC®4151 is a high side power monitor that includesa 12-bit ADC for measuring current and voltage, as wellas the voltage on an auxiliary input. Data is read throughthe widely used I2C interface. An unusual feature in thisdevice is its 7V to 80V operating range, allowing it to coverapplications from 12V automotive to 48V Telecom.

標簽： 452 DN 汽車應用電源監視器

上傳時間： 2013-10-29

上傳用戶：集美慧
自舉偏置高輸入電壓降壓型控制器

High voltage buck DC/DC controllers such as the LTC3890(dual output) and LTC3891 (single output) are popular inautomotive applications due to their extremely wide 4V to60V input voltage range, eliminating the need for a snubberand voltage suppression circuitry. These controllersare also well suited for 48V Telecom applications whereno galvanic isolation is required.

標簽： 自舉偏置輸入電壓降壓型控制器

上傳時間： 2013-10-31

上傳用戶：wwwe
MT8870D DTMF解碼芯片

Features• Complete DTMF Receiver• Low power consumption• Internal gain setting amplifier• Adjustable guard time• Central office quality• Power-down mode• Inhibit mode• Backward compatible withMT8870C/MT8870C-1Applications• Receiver system for British Telecom (BT) orCEPT Spec (MT8870D-1)• Paging systems• Repeater systems/mobile radio• Credit card systems• Remote control• Personal computers• Telephone answering machine

標簽： 8870D 8870 DTMF MT

上傳時間： 2013-11-20

上傳用戶：mpquest
電池組電壓測量的研究

Automobiles, aircraft, marine vehicles, uninterruptiblepower supplies and Telecom hardware represent areasutilizing series connected battery stacks. These stacksof individual cells may contain many units, reaching potentialsof hundreds of volts. In such systems it is oftendesirable to accurately determine each individual cell’svoltage. Obtaining this information in the presence of thehigh “common mode” voltage generated by the batterystack is more diffi cult than might be supposed.

標簽： 電池組電壓量的研究

上傳時間： 2013-10-24

上傳用戶：kang1923
用matalab開發的隨機數生成程序包

用matalab開發的隨機數生成程序包，用于各種隨機數的生成，可到以下網址更新和瀏覽詳細的說明：http://www.math.uu.se/research/Telecom/software/

標簽： matalab 隨機數程序

上傳時間： 2015-07-11

上傳用戶：壞壞的華仔
Easy to use SMS/MMS Messaging Gateway to develop Content Delivery Platforms by GSM Operators,Content

Easy to use SMS/MMS Messaging Gateway to develop Content Delivery Platforms by GSM Operators,Content Providers and even non-Telecom guys. Uses file system for data flow.Written for .NET 2.0 in C#

標簽： Content Messaging Platforms Operators

上傳時間： 2014-01-01

上傳用戶：1109003457
CCISP考試指南與導讀 CISSP STUDY NOTES FROM CISSP PREP GUIDE 1 DOMAIN 1 – SECURITY MANAGEMENT PRACTICES 2

CCISP考試指南與導讀 CISSP STUDY NOTES FROM CISSP PREP GUIDE 1 DOMAIN 1 – SECURITY MANAGEMENT PRACTICES 2 DOMAIN 2 – ACCESS CONTROL SYSTEMS 7 DOMAIN 3 – Telecom AND NETWORK SECURITY 13 DOMAIN 4 – CRYPTOGRAPHY 34 DOMAIN 5 – SECURITY ARCHITECTURE AND MODELS 46 DOMAIN 6 – OPERATIONS SECURITY 56 DOMAIN 7 – APPLICATIONS AND SYSTEM DEVELOPMENT 63 DOMAIN 8 – BUSINESS CONTINUITY AND DISASTER RECOVERY PLANNING 70 DOMAIN 9 – LAW, INVESTIGATION AND ETHICS 78 DOMAIN 10 – PHYSICAL SECURITY 87

標簽： CISSP MANAGEMENT PRACTICES SECURITY

上傳時間： 2014-02-13

上傳用戶：sy_jiadeyi
The line echo canceller (LEC) is designed to provide the maximum attainable transparent voice qualit

The line echo canceller (LEC) is designed to provide the maximum attainable transparent voice quality for de-echoing of a PSTN or POTS connection in voice-over-LAN systems with internal delays, or on a codec end of a Telecom switch,基于TI 54X/55X平臺

標簽： transparent attainable canceller designed

上傳時間： 2014-01-17

上傳用戶：qoovoop
The ITU-T(Telecommunication Standardization Sector)is a permanent organ of the International Telecom

The ITU-T(Telecommunication Standardization Sector)is a permanent organ of the International Telecommunication Union(ITU).The ITU-T is responsible for studying technical,operating and tariff questions and issuing Recommen- dations on them with a view to standardizing Telecommunications on a worldwide basis.

標簽： Telecommunication Standardization International permanent

上傳時間： 2014-02-20

上傳用戶：sammi
During the past four years, most of our research activities have been focused on image but also vide

During the past four years, most of our research activities have been focused on image but also video and 3-D objects processing for security applications (watermarking and biometrics) and communications (talking heads, interfaces), with a special emphasis on facial images. More about our work can be found at http://www.eurecom.fr/~image. Our research activities are conducted with the backing of several industrials, in particular France Telecom Research and STMicroelectronics. For the past few years, we have had a regular scientific collaboration on Fractal Image Coding, Watermarking and Biometrics with the University of California, Santa Barbara (UCSB), in particular with Prof. K. Ros

標簽： activities research focused During

上傳時間： 2014-11-26

上傳用戶：123啊

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Telecom

DN452 汽車應用的電源監視器

自舉偏置高輸入電壓降壓型控制器

MT8870D DTMF解碼芯片

電池組電壓測量的研究

用matalab開發的隨機數生成程序包

Easy to use SMS/MMS Messaging Gateway to develop Content Delivery Platforms by GSM Operators,Content

CCISP考試指南與導讀 CISSP STUDY NOTES FROM CISSP PREP GUIDE 1 DOMAIN 1 – SECURITY MANAGEMENT PRACTICES 2

The line echo canceller (LEC) is designed to provide the maximum attainable transparent voice qualit

The ITU-T(Telecommunication Standardization Sector)is a permanent organ of the International Telecom

During the past four years, most of our research activities have been focused on image but also vide