2003 · 11 citations · 3 references
EngineeringComputer EngineeringElectrical EngineeringDigital CommunicationMicroelectronicsPhotonicsCmos Circuit DesignComplementary Metal-oxide-semiconductor TechnologyDifferential AmplifiersDigital Signal ProcessingSignal AmplificationSignal ConditioningAdaptive EqualizationBicmos TechnologyEqualizationFeedbackFeedforward CompensationSige Bicmos DesignSource-coupled Differential PairVoltage Control
A cable equalizer for 10Gb/s broadband data using a SiGe BiCMOS process is presented. The circuit consists of a feedforward amplifier with a variable peaked that compensates for a copper cable of length up to 3 feet, and a feedback circuit that detects the data transition times and generates an appropriate control voltage. The detector makes use of a novel circuit based on the source-coupled node of a differential pair.
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