eroflex Comstron - Advanced Optical Filter Modules © SCDFA4720 REV A 10/2/00

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Aeroflex Comstron’s Bessel filters are designed for OEM use in high-speed digital networks,

fiber optic, and telecon systems. The FA4720 Series uses an Aeroflex proprietary thick/thin film

Absorptive filter design that is a 5th order Bessel polynomial in both attenuation and group delay

characteristics. The Absorptive plus Bessel combination result in optimum BER and Eye Diagram

performance.

Aeroflex Comstron’s state-of-the-art designs and ISO 9001 manufacturing facilities

enable us to provide high quality product in large quantities.

FA4720 SERIES

FIBER OPTIC

5 Pole Bessel Absorptive LowPass Filters

• 5 Pole Bessel polynomial filter characteristic

• Non-reflective (Absorptive) thick/thin film technology

• Bit rates from 1.3 to 20 Gb/s

• Bit Error Rate (BER) optimization

• High eye diagram opening

• 40 MHz to 15 GHz

• Custom mechanical and electrical designs available to match system

requirements (Call factory for details)

A P P LIC ATIO N S

FE AT U R E S