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    首頁產(chǎn)品索引STW82103B

    STW82103B

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    射頻下變頻嵌入式數(shù)字頻率合成器

     

    中文數(shù)據(jù)手冊

    產(chǎn)品信息

    The STMicroelectronics STW82103B is an integrated down converter providing 8 dB of gain, 10.5 dB NF, and a very high input linearity by means of its passive mixer.

    Embedding two wide band auto calibrating VCOs and an integer-N synthesizer, the STW82103B is suitable for both Rx and Tx requirements for Cellular infrastructure equipment.

    The integrated RF balun and internal matching permit direct 50 ohm single-ended interface to RF port. The IF output is suitable for driving 200-ohm impedance filters.

    By embedding a DAC with dual current output to drive an external PIN diode attenuator, the STW82103B replaces several costly discrete components and offers a significant footprint reduction.

    The STW82103B device is designed with STMicroelectronics advanced 0.35 μm SiGe process. Its performance is specified over a -40 °C to +85 °C temperature range.

    意法半導體的stw82103b是一個集成的下變頻器提供的增益8 dB,10.5 dB NF,并通過其無源混頻器的輸入線性度很高。

    嵌入兩寬帶自動校準振蕩器和一個整數(shù)N合成器的stw82103b適用于RX和TX要求蜂窩基礎設施設備。

    集成RF巴倫和內(nèi)部匹配允許直接50歐姆單端接口的射頻端口。如果輸出是適用于驅(qū)動200歐姆阻抗濾波器。

    通過嵌入一個DAC雙電流輸出驅(qū)動外部PIN二極管衰減器,其stw82103b取代一些昂貴的分立元件,提供了一個重大的減排。

    的stw82103b裝置設計與意法半導體先進的0.35μm SiGe工藝。其性能在40°C至85°C的溫度范圍內(nèi)。

    Key Features

    • High linearity:

    • IIP3: +25 dBm

    • 2FRF-2FLO spurious rejection: 80 dBc

    • Noise figure:

    • NF: 10.5 dB

    • Conversion gain

    • CG: 8 dB

    • RF range: 2300 MHz to 2700 MHz

    • Wide IF amplifier frequency range: 70 MHz to 400 MHz

    • Integrated RF balun with internal matching

    • Dual differential integrated VCOs with automatic center frequency calibration:

    • LOA: 2200 to 2550 MHz

    • LOB: 2500 to 3000 MHz

    • Embedded integer-N synthesizer

    • Dual modulus programmable prescaler (16/17 or 19/20)

    • Programmable reference frequency divider (10 bits)

    • Adjustable charge pump current

    • Digital lock detector

    • Excellent integrated phase noise

    • Fast lock time: 150 μs

    • Integrated DAC with dual current output

    • Supply: 3.3 V and 5 V analog, 3.3 V digital

    • Dual digital bus interface: SPI and I2C bus (fast mode) with 3 bit programmable address (1101A2A1A0)

    • Process: 0.35 μm BICMOS SiGe

    • Operating temperature range -40 to +85oC

    • 44-lead exposed pad VFQFPN package 7x7x1.0 mm

    • Applications

    • Cellular infrastructure equipment:

      IF sampling receiversDigital PA linearization loops
    • Other wireless communication systems.

    主要特點

    高線性度:

    :25 dBm的IIP3

    2frf-2flo雜散抑制:80 dBc

    噪聲系數(shù):

    核因子:10.5分貝

    轉(zhuǎn)換增益

    答:8分貝

    射頻范圍:2300兆赫至2700兆赫

    寬中頻放大器的頻率范圍:70兆赫至400兆赫

    內(nèi)部匹配的集成RF巴倫

    自動校準雙差的集成VCO的中心頻率:

    羅亞:2200至2550兆赫

    高球:2500至3000兆赫

    嵌入式數(shù)字頻率合成器

    雙模量可編程分頻器(16 / 17或19 / 20)

    可編程參考分頻器(10位)

    可調(diào)電荷泵電流

    數(shù)字鎖相檢測器

    良好的綜合相位噪聲

    快速鎖定時間:150

    雙電流輸出DAC集成

    供應:3.3伏和5伏模擬,3.3伏數(shù)字

    雙數(shù)字總線接口:SPI和I2C總線(快速模式)與3位可編程的地址(1101a2a1a0)

    方法:0.35μm BiCMOS SiG

    工作溫度范圍40到85oC

    44鉛接觸墊vfqfpn包7x7x1.0毫米

    應用

    蜂窩基礎設施設備:中頻采樣receiversdigital功放線性化環(huán)路

    其他無線通信系統(tǒng)。


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