Low-Voltage Mixer FM IF System with Filter Amplifier and Data Switch

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  • This page contains information on a product that is no longer manufactured (discontinued). Specifications and information herein are available for historical reference only.

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Product Details

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Block Diagram

SA639DH Block Diagram

 SA639DH Block Diagram

Features

Key Features

  • VCC = 2.7 V to 5.5 V
  • Low power consumption: 8.6 mA (typical) at 3 V
  • Wideband data output (1 MHz minimum)
  • Fast RSSI rise and fall times
  • Mixer input to >500 MHz
  • Mixer conversion power gain of 9.2 dB and noise figure of 11 dB at 110 MHz
  • XTAL oscillator effective to 150 MHz (L.C. oscillator to 1 GHz local oscillator can be injected)
  • 92 dB of IF amplifier/limiter power gain
  • 25 MHz limiter small signal bandwidth
  • Temperature compensated logarithmic Received Signal Strength Indicator (RSSI) with a dynamic range in excess of 80 dB
  • RSSI output internal op amp
  • Post detection amplifier for filtering
  • Programmable data switch
  • Excellent sensitivity: 2.24 μV into 50 Ω matching network for 10 dB S/N (Signal-to-Noise ratio) with RF at 110 MHz and IF at 9.8 MHz
  • ESD hardened
  • Power-down mode
  • DECT (Digital European Cordless Telephone)
  • FSK and ASK data receivers

Part numbers include: SA639DH.

Documentation

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5 documents

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