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AD8123 Datasheet Triple Differential Receiver

Manufacturer: Analog Devices

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General Description

The AD8123 is a triple, high speed, differential receiver and equalizer that compensates for the transmission losses of UTP and coaxial cables up to 300 meters in length.

Various gain stages are summed together to best approximate the inverse frequency response of the cable.

Logic circuitry inside the AD8123 controls the gain functions of the individual stages so that the lowest noise can be achieved at short-to-medium cable lengths.

Overview

Data Sheet Triple Differential Receiver with Adjustable Line Equalization.

Key Features

  • Compensates cables to 300 meters for wideband video Fast rise and fall times 4.9 ns with 2 V step at 150 meters of UTP cable 8.0 ns with 2 V step at 300 meters of UTP cable 55 dB peak gain at 100 MHz Two frequency response gain adjustment pins High frequency peaking adjustment (VPEAK) Broadband flat gain adjustment (VGAIN) Pole location adjustment pin (VPOLE) Compensates for variations between cables Can be optimized for either UTP or coaxial cable DC output offset adjust (.

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