Overview
Description
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).
Features
- 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
Comparison
Applications
Design & Development
Boards & Kits
MegaQ™ Automatic Composite Video Equalizer, Fully-Adaptive to 1 Mile (1600m) Evaluation Board
The ISL59605-SPI-EVALZ board enables evaluation of the ISL59605 MegaQ™ IC, and provides a reference schematic and PCB layout for a MegaQ implementation on a 4-layer PCB. In addition to the MegaQ equalization path, the board features a USB interface that allows access to, and control of, the...
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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