MAX2365

完备的双频段正交发送器

高度集成的双频正交发送器,用于蜂窝电话


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说明

The MAX2361 dual-band, triple-mode complete transmitter for cellular phones represents an integrated and architecturally advanced solution for this application. The device takes a differential I/Q baseband input and converts it up to IF through a quadrature modulator and IF variable-gain amplifier (VGA). The signal is then routed to an external bandpass filter and upconverted to RF through an image-reject mixer and RF VGA. The signal is further amplified with an on-chip PA driver. An IF synthesizer, an RF synthesizer, a local oscillator (LO) buffer, and a 3-wire programmable bus complete the basic functional blocks of this IC. The MAX2363 supports single-band, single- mode (PCS) operation. The MAX2365 supports single- band cellular dual-mode operation.

The MAX2361 enables architectural flexibility because of its two IF voltage-controlled oscillators (VCOs), two IF ports, two RF LO input ports, and three PA driver output ports. The devices allow the use of a single receive IF frequency and split-band PCS filters for optimum out-ofband noise performance. The low-noise PA drivers allow up to three RF SAW filters to be eliminated. Select a mode of operation by loading data on the SPI™/QSPI™/MICROWIRE™-compatible 3-wire serial bus. Charge-pump current, IF/RF gain balancing, standby, shutdown plus additional functions, are also controlled with the serial interface.

The MAX2361/MAX2363/MAX2365 come in a 48-pin TQFN-EP and QFN-EP package and are specified for the extended (-40°C to +85°C) temperature range.
MAX2361、MAX2363、MAX2365:功能框图 MAX2361、MAX2363、MAX2365:功能框图 放大+

关键特性

  • Dual-Band, Triple-Mode Operation
  • +9dBm Linear Output Power
  • 100dB Power-Control Range
  • Supply Current Drops as Output Power is Reduced
  • Dual Synthesizer for IF and RF LO
  • Dual On-Chip IF VCO
  • QSPI/SPI/MICROWIRE-Compatible 3-Wire Bus
  • Digitally Controlled Operational Modes
  • Single Sideband Upconverter Eliminates SAW Filters
  • Directly Drives Power Amplifier
  • 应用

    • CDMA、cdma2000®、TDMA、WCDMA、GAIT移动电话
    • GAIT移动电话
    • 高速数据调制解调器
    • 卫星电话
    • 无线数据链接(WAN/LAN)
    • 无线局域网(WLAN)

    技术资料

    设计指南 5100 RF和混合信号PCB的一般布局指南
    应用笔记 272 MAX2360中频槽路设计
    申请可靠性报告: MAX2365 
    型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

    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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    类型 编号 标题
    设计指南 5100 RF和混合信号PCB的一般布局指南
    应用笔记 272 MAX2360中频槽路设计