Overview

Features and Benefits

  • 815MHz to 1000MHz RF Frequency Range
  • 960MHz to 1180MHz LO Frequency Range (MAX9986A/MAX9986)
  • 570MHz to 850MHz LO Frequency Range (MAX9984)
  • 50MHz to 250MHz IF Frequency Range
  • 8.2dB Conversion Gain
  • +25dBm Input IIP3
  • +14.8dBm Input 1dB Compression Point
  • 10dB Noise Figure
  • 69dBc 2LO-2RF Spurious Rejection at PRF = -10dBm
  • Integrated LO Buffer
  • Integrated RF and LO Baluns for Single-Ended Inputs
  • Low -3dBm to +3dBm LO Drive
  • Built-In SPDT LO Switch with 49dB LO1 to LO2 Isolation and 50ns Switching Time
  • Pin Compatible with MAX9994/MAX9996 1700MHz to 3000MHz Mixers
  • Functionally Compatible with MAX9993
  • External Current-Setting Resistors Provide Option for Operating Mixer in Reduced Power/Reduced Performance Mode
  • Lead-Free Package Available
  • Product Details

    The MAX9986A high-linearity downconversion mixer provides 8.2dB gain, +25dBm IIP3, and 10dB NF for 815MHz to 1000MHz base-station receiver applications. With a 960MHz to 1180MHz LO frequency range, this particular mixer is ideal for high-side LO injection receiver architectures. Low-side LO injection is supported by the MAX9984, which is pin-for-pin and functionally compatible with the MAX9986A.

    In addition to offering excellent linearity and noise performance, the MAX9986A also yields a high level of component integration. This device includes a double-balanced passive mixer core, an IF amplifier, a dual-input LO selectable switch, and an LO buffer. On-chip baluns are also integrated to allow for single-ended RF and LO inputs. The MAX9986A requires a nominal LO drive of 0dBm, and supply current is guaranteed to be below 250mA.

    The MAX9986A is a derivative version of the MAX9986 with improved large-signal blocking performance. The MAX9984/MAX9986/MAX9986A are pin compatible with the MAX9994/MAX9996 1700MHz to 3000MHz mixers, making this entire family of downconverters ideal for applications where a common PC board layout is used for both frequency bands. The MAX9986A is also functionally compatible with the MAX9993.

    The MAX9986A is available in a compact, 20-pin, thin QFN package (5mm x 5mm) with an exposed paddle. Electrical performance is guaranteed over the extended -40°C to +85°C temperature range.

    Applications

    • 850MHz WCDMA Base Stations
    • cdmaOne™ and cdma2000® Base Stations
    • Digital and Spread-Spectrum Communication Systems
    • Fixed Broadband Wireless Access
    • GSM 850/GSM 900 2G and 2.5G EDGE Base Stations
    • iDEN® Base Stations
    • Microwave Links
    • Military Systems
    • Predistortion Receivers
    • Private Mobile Radios
    • Wireless Local Loops

    Product Lifecycle icon-recommended Production

    At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

    Design Resources

    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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