三模/双模CDMA LNA/混频器



The MAX2338 receiver RF front-end IC is designed for dual-band CDMA cellular phones and can also be used in dual-band TDMA, GSM, or EDGE cellular phones. Thanks to the MAX2338's on-chip low-power LO divider, the cellular VCO module can be eliminated.

The MAX2338 includes a low-noise amplifier (LNA) with an adjustable high-input third-order intercept point (IIP3) to minimize intermodulation and cross-modulation in the presence of large interfering signals. For cellular band operation, a low-gain LNA is available for higher cascaded IIP3 at lower current.

The CDMA mixers are designed for high linearity, low noise, and differential IF outputs. The FM mixer is designed for lower current and single-ended output.

The MAX2338 triple-mode LNA/mixer includes an on-chip LO frequency divider to allow the use of a single VCO for both bands. This device is available in an ultra-small 28-pin leadless QFN package.
MAX2338:典型工作电路 MAX2338:典型工作电路 放大+


  • 1.4dB LNA Noise Figure
  • 15dB LNA Gain
  • Mixer Noise Figure
    • 7.5dB (CDMA)
    • 8.7dB (AMPS)
  • Mixer Gain
    • 14.5dB PCS
    • 13.3dB Cellular
    • 8.8dB AMPS
  • LO Frequency Divider, Saves VCO Module
  • LO Output Buffers for TX
  • Ultra-Small 28-Pin Leadless Package


  • 双频、三模PCS/蜂窝电话
  • 双模蜂窝电话
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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Ultra-Wideband, Direct-Conversion, L-Band Satellite Tuner

  • 925MHz to 2175MHz Frequency Range
  • Monolithic VCO
  • High Dynamic Range: -75dBm to 0dBm