MAX2371

PRODUCTION

LNAs with Step Attenuator and VGA

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • Low Noise Figure (1.8dB typical)
  • High Small-Signal Gain (15dB Nominal)
  • Wide Frequency Range of Operation (100MHz to 1GHz)
  • 20dB Step Attenuator
  • 45dB AGC Range Excluding Step Attenuator
  • 2.65V to 3.3V Single-Supply Operation
  • Shutdown Mode
  • 3.5mA Supply Current, Adjustable Down to 2.5mA
  • 40dB Reverse Isolation

    • The MAX2371/MAX2373 wideband low-noise amplifier (LNA) ICs are designed for direct conversion receiver (DCR) or very low intermediate frequency (VLIF) receiver applications. They contain single-channel, single-ended LNAs with switchable attenuator and automatic gain control (AGC) intended as a low-noise gain stage. These devices provide high gain-control range (typically 60dB) at radio frequency (RF) with excellent noise and reverse isolation characteristics.

    The MAX2371/MAX2373 can work over the frequency range from 100MHz to 1GHz. In practice, only a narrow band is needed in each application, so different matching circuits can be applied. The devices are dynamically configured through the digital/analog control pins to select either maximum gain and low noise figure or power-saving mode. In addition, the MAX2371/MAX2373 feature high/low-current modes, high/low attenuation modes, linearly controlled gain states, and shutdown mode.

    Applications

    • Direct Conversion Receiver (DCR)
    • Very Low IF Receiver
    MAX2371
    LNAs with Step Attenuator and VGA
    MAX2371, MAX2373: Typical Operating Circuit
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    Documentation

    Data Sheet 1

    Reliability Data 1

    Application Note 2

    Technical Articles 2

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    Software Resources

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    Tools & Simulations

    S-Parameter 1

    Evaluation Kits

    MAX2371EVKIT

    Evaluation Kit for the MAX2371, MAX2373

    Buy Now View Details

    Features and Benefits

  • Easy Evaluation of the MAX2371/MAX2373
  • 2.65V to 3.3V Single-Supply Operation
  • Jumpers for Analog/Digital Control
  • All Critical Peripheral Components Included
  • Fully Assembled and Tested

    • Product Details

    The MAX2371/MAX2373 evaluation kits (EV kits) simplify evaluation of the MAX2371/MAX2373 low-noise amplifiers (LNAs). They enable testing of the devices' radio frequency (RF) performance and require no additional support circuitry. The EV kits' signal inputs and outputs use SMA connectors to facilitate the connection of RF test equipment.

    Applications

    • Direct Conversion Receiver (DCR)
    • Very Low IF Receiver

    MAX2373EVKIT

    Evaluation Kit for the MAX2371, MAX2373

    Buy Now View Details

    Features and Benefits

  • Easy Evaluation of the MAX2371/MAX2373
  • 2.65V to 3.3V Single-Supply Operation
  • Jumpers for Analog/Digital Control
  • All Critical Peripheral Components Included
  • Fully Assembled and Tested

    • Product Details

    The MAX2371/MAX2373 evaluation kits (EV kits) simplify evaluation of the MAX2371/MAX2373 low-noise amplifiers (LNAs). They enable testing of the devices' radio frequency (RF) performance and require no additional support circuitry. The EV kits' signal inputs and outputs use SMA connectors to facilitate the connection of RF test equipment.

    Applications

    • Direct Conversion Receiver (DCR)
    • Very Low IF Receiver
    MAX2371EVKIT
    Evaluation Kit for the MAX2371, MAX2373
    MAX2373EVKIT
    Evaluation Kit for the MAX2371, MAX2373

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