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LNB SUPPLY AND CONTROL-VOLTAGE REGULATOR

Intended for analog and digital satellite receivers, the low-noise block converter regulator (LNBR) is a monolithic linear and switching voltage regulator designed to provide power and interface signals to the LNB down converter via the coaxial cable. If the device is in stand-by mode (EN terminal LOW), the regulator output is disabled, allowing the antenna downconverters to be supplied or controlled by other satellite receivers sharing the same coaxial cable. Similar two-output LNB supply and control voltage regulators are the A8284SB/SLB.

FEATURES

■ Short-Circuit Protected Bypass Function for Slave Operation

■ LNB Selection and Stand-By Function

■ Built-In Tone Oscillator Factory Trimmed to 22 kHz, Facilitates

DiSEqC? (a trademark of EUTELSAT) Encoding

■ Full Modulation With No Load

■ Tracking Switch-Mode Power Converter for Lowest Dissipation

■ Externally Adjustable Short-Circuit Protection

■ LNB Short-Circuit Protection and Diagnostics

■ Auxiliary Modulation Input

■ Cable Length Compensation

■ Internal Over-Temperature Protection