MAX2684

3.5GHz下变频混频器,可选的LO倍频器

3.4GHz至3.8GHz下变频混频器,支持100MHz至1000MHz的IF,可选择LO倍频


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说明

The MAX2683/MAX2684 are super-high-performance, low-cost downconverter mixers intended for wireless local loop (WLL) and digital microwave radio (DMR) applications in the 3.4GHz to 3.8GHz frequency band. The MAX2683 is optimized for downconversion to IF frequencies between 100MHz and 400MHz, and allows both high-side and low-side local oscillator (LO) injection. The MAX2684 is optimized for IF frequencies between 800MHz and 1000MHz, and allows low-side LO injection. A logic-level control enables an internal frequency doubler on both devices, allowing the external LO source to run at full or half frequency. An internal LO filter reduces LO harmonics and spurious mixing.

The MAX2683/MAX2684 feature an externally adjustable bias control, set with a single resistor, that lets the user trade supply current for linearity to optimize system performance. These devices use a double-balanced Gilbert-cell architecture with single-ended RF and LO inputs and differential open-collector IF output ports. Differential IF ports provide a wideband, flexible interface for either single-ended or differential applications.

The MAX2683/MAX2684 operate from a single +2.7V to +5.5V supply. The devices are packaged in an ultra-small 16-pin TSSOP-EP package with an exposed paddle for optimum performance at 3.5GHz.
MAX2683、MAX2684:典型工作电路 MAX2683、MAX2684:典型工作电路 放大+

关键特性

  • 3.4GHz to 3.8GHz RF Frequency Range
  • 100MHz to 400MHz IF Frequency Range (MAX2683)
  • 800MHz to 1000MHz IF Frequency Range (MAX2684)
  • Logic-Enabled LO Frequency Doubler
  • Conversion Gain
    • +6.7dB (MAX2683)
    • +1dB (MAX2684)
  • Programmable IIP3
    • +7dBm to +11dBm (MAX2683)
    • +8dBm to +12dBm (MAX2684)
  • +2.7V to +5.5V Single-Supply Operation
  • Ultra-Small 16-Pin TSSOP-EP Package

应用

  • 数字微波无线装置
  • 无线宽带接入
  • 无线本地环路(WLL)

技术资料

设计指南 5100 RF和混合信号PCB的一般布局指南
设计指南 2875 噪声系数测量的三种方法
应用笔记 806 3.5GHz无线本地环路收发信机射频芯片

质量和环境数据

申请可靠性报告: MAX2684 
无铅封装的锡(Sn)晶须报告
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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