L8221
Description
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.
Key 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 pin for supply and control * No external filtering required * Temperature compensated protected FET bias
