
STMicroelectronics
DESCRIPTION
Intended for analog and digital satellite receivers, the LNBK20D2 is a monolithic linear voltage regulator, assembled in SO-20, specifically designed to provide the powering voltages and the interfacing signals to the LNB downconverter situated in the antenna via the coaxial cable.
■ COMPLETE INTERFACE FOR TWO LNBs
REMOTE SUPPLY AND CONTROL
■ GUARANTEED 400mA OUTPUT CURRENT
■ LNB SELECTION AND STAND-BY
FUNCTION
■ BUILT-IN TONE OSCILLATOR FACTORY
TRIMMED AT 22KHz
■ FAST OSCILLATOR START-UP FACILITATES
DiSEqC ENCODING
■ TWO SUPPLY INPUTS FOR LOWEST
DISSIPATION
■ BYPASS FUNCTION FOR SLAVE
OPERATION
■ LNB SHORT CIRCUIT PROTECTION AND
DIAGNOSTIC
■ AUXILIARY MODULATION INPUT EXTENDS
FLEXIBILITY
■ CABLE LENGTH COMPENSATION
■ INTERNAL OVER TEMPERATURE
PROTECTION
■ BACKWARD CURRENT PROTECTION
■ COST-EFFECTIVE VERSION OF LNBP
SERIES