The ISL59601, ISL59602, ISL59603, ISL59604, and ISL59605 (the “MegaQ™” product family) are single-channel adaptive equalizers designed to automatically compensate for long runs of Cat 5/6 or RG-59 cable, producing high quality video output with no user interaction. The ISL59601 equalizes Cat 5/6 up to a distance of 1000 feet (300 meters), while the ISL59605 equalizes up to 5300 feet (1600 meters). MegaQ™ compensates for high frequency cable losses of up to 60dB (ISL59605) at 5MHz as well as source amplitude variations up to ±3dB. The ISL59601, ISL59602, ISL59603, ISL59604, and ISL59605 operate from a single +5V supply. Inputs are AC-coupled and internally DC-restored. The output can drive 2VP-P into two source-terminated 75Ω loads (AC-coupled or DC-coupled).


  • ISL59605 Equalizes Up to 1 Mile (1600m) of Cat 5/6 and Up to 6000 Feet (1800m) of RG-59
  • Fully Automatic, Stand-Alone Operation - No User Adjustment Required
  • ±8kV ESD Protection on All Inputs
  • Automatic Cable Type Compensation
  • Compatible with Color or Monochrome, NTSC or PAL Signals
  • Automatic Polarity Detection and Inversion
  • Compensates for ±3dB Source Variation (in Addition to Cable Losses)
  • Optional Serial Interface Adds Additional Functionality
  • 5MHz -3dB Bandwidth
  • Works with Single-Ended or Differential Inputs
  • Output Drives Up to Two 150Ω Video Loads



  • Surveillance Video
  • Video Distribution


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Design & Development