L8221 Datasheet (UTC) - CONTROL AND POWER MANAGEMENT

L8221 - CONTROL AND POWER MANAGEMENT

The UTC L8221 is a single chip power management and control solution for LNB’s.

The highly integrated solution provides all the required FET and mixer bias, control detection and decoding, local oscillator switching and a stable power supply for the IF amplifier and additional support functions.

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L8221 Features

* Single chip LNB bias, control and power management

* 22kHz tone detector with signal rejection for band switching

* Zero Gate FET switching

* Integrated regulated supply for LNB

* Voltage detection for polarization switching

* Programmable mixer and FET bias

* Single pi