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7-Bit, 75 Ω, Digital Step Attenuator
GENERAL DESCRIPTION
This document describes the specification for the F1977 Digital Step Attenuator. The F1977 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of CATV and Satellite systems. These devices are offered in a compact 5 mm x 5 mm 32 pin QFN package with 75 Ω impedances for ease of integration.
COMPETITIVE ADVANTAGE
Digital step attenuators are used in Receivers and Transmitters to provide gain control. The F1977 is a 7-bit step attenuator optimized for these demanding applications. The silicon design has very low insertion loss, low distortion (+64 dBm IIP3) and pinpoint attenuation accuracy.