6-Bit, Digital Controlled Variable Gain Amplifier 50MHz to 4000MHz
RFMD’s RFDA4005 is a digitally controlled variable gain amplifier featuring high linearity over the entire gain control range with noise figure less than 6dB in its maximum gain state. The gain of the 6-bit digital step attenuator is programmed with a serial mode control interface. The RFDA4005 is packaged in a small 5.2mm x 5.2mm leadless laminate MCM which contains plated through thermal vias for ultra-low thermal resistance. The footprint for this module is directly compatible with a 5mm x 5mm QFN. This module is easy to use with no external matching components required.
FEATUREs
■ Broadband 50MHz to 4000MHz Operation
■ 6-Bit Digital Step Attenuator
■ Serial Mode Programming
■ Gain = -13.5dB to +18dB (0.5dB Step Size)
■ High Output IP3/P1dB = +36dB/ 20dBm
■ Single +5V Supply
■ Small 32-Pin, 5.2mm x 5.2mm, MCM (Footprint Compatible with 5mm x 5mm, 32-Pin QFN)
APPLICATIONs
■ Cellular, 3G Infrastructure
■ WiBro, WiMax, LTE
■ Microwave Radio
■ High Linear Power Control