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    首页产品索引STW82103B

    STW82103B

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    射频下变频嵌入式数字频率合成器

     

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    产品信息

    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.

    意法半导体的stw82103b是一个集成的下变频器提供的增益8 dB,10.5 dB NF,并通过其无源混频器的输入线性度很高。

    嵌入两宽带自动校准振荡器和一个整数N合成器的stw82103b适用于RX和TX要求蜂窝基础设施设备。

    集成RF巴伦和内部匹配允许直接50欧姆单端接口的射频端口。如果输出是适用于驱动200欧姆阻抗滤波器。

    通过嵌入一个DAC双电流输出驱动外部PIN二极管衰减器,其stw82103b取代一些昂贵的分立元件,提供了一个重大的减排。

    的stw82103b装置设计与意法半导体先进的0.35μm SiGe工艺。其性能在40°C至85°C的温度范围内。

    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.

    主要特点

    高线性度:

    :25 dBm的IIP3

    2frf-2flo杂散抑制:80 dBc

    噪声系数:

    核因子:10.5分贝

    转换增益

    答:8分贝

    射频范围:2300兆赫至2700兆赫

    宽中频放大器的频率范围:70兆赫至400兆赫

    内部匹配的集成RF巴伦

    自动校准双差的集成VCO的中心频率:

    罗亚:2200至2550兆赫

    高球:2500至3000兆赫

    嵌入式数字频率合成器

    双模量可编程分频器(16 / 17或19 / 20)

    可编程参考分频器(10位)

    可调电荷泵电流

    数字锁相检测器

    良好的综合相位噪声

    快速锁定时间:150

    双电流输出DAC集成

    供应:3.3伏和5伏模拟,3.3伏数字

    双数字总线接口:SPI和I2C总线(快速模式)与3位可编程的地址(1101a2a1a0)

    方法:0.35μm BiCMOS SiG

    工作温度范围40到85oC

    44铅接触垫vfqfpn包7x7x1.0毫米

    应用

    蜂窝基础设施设备:中频采样receiversdigital功放线性化环路

    其他无线通信系统。


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