REFVCO 44 B VCO supply reference. Connect a 10-µF decoupling capacitor to ground. I Chip Enable. High-impedance CMOS input. 1.8-V to 3.3-V logic. Active HIGH powers on the device. I Buffer mute control. High-impedance CMOS input. 1.8-V to 3.3-V logic. I Phase synchronization with...