Single-Chip Global Positioning System Receiver Front-End

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Part Details
  • Complete Single-Chip GPS Front-End Receiver
  • Single-Ended or Differential Outputs at 1.023MHz
  • Low 4.5dB Typical Noise Figure
  • No External IF SAW or Discrete Filters Required
  • Very Low 32mW Power Consumption at +2.4V
  • Wide +2.4V to +3.6V Operational Supply Voltage Range
  • Extended -40°C to +85°C Temperature Range
Additional Details
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The MAX2742 complete single-chip global positioning system (GPS) RF front-end utilizes many innovative and leading-edge RF CMOS design techniques. This high-performance, state-of-the-art device consumes extremely low power and eliminates the need for costly SAW and bulky discrete IF filters. The MAX2742 incorporates a fully integrated low-noise amplifier (LNA) and mixer, IF section, digital sampler, and local oscillator synthesizer.

The intended input signal for the MAX2742 is the L1 GPS signal 1.57542GHz. This device supports high-accuracy output quantization, which delivers the best performance obtainable for the GPS receiver. The power consumption of the MAX2742 is as low as 32mW at a +2.4V supply.

The MAX2742 is available in a space-saving 48-pin TQFP package and is specified for the extended (-40°C to +85°C) temperature range.


  • Consumer Electronics
  • Digital Cameras and Camcorders
  • Emergency Response Systems
  • Emergency Roadside Assistance
  • Geographical Information Systems (GISs)
  • In-Vehicle Navigation Systems (IVNS)
  • Inventory Management
  • Location-Based Services (PDAs and Recreational Handheld/Walkie Talkies)
  • Telematics (Vehicle and Asset Tracking, Inventory Management)

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