Si4122 Datasheet | Skyworks Solutions

Description The Si4133 is a monolithic integrated circuit that performs both IF and dualband RF synthesis for wireless munications applications. The Si4133 includes three VCOs, loop filters, reference and VCO dividers, and phase detectors. Divider and powerdown settings are programmable with a threewire serial interface. Functional Block Diagram Ordering Information: See page 31. Pin Assignments Si4133-GT SCLK SDATA GNDR RFLD RFLC GNDR RFLB RFLA GNDR GNDR RFOUT VDDR VDDI IFOUT GNDI IFLB IFLA...