Datasheet

MAX2009
1200MHz to 2500MHz Adjustable
RF Predistorter
14 ______________________________________________________________________________________
MAX2009
PF_S1
PFS1
PFS2
PDCS1
PDCS2
PHASE-CONTROL
CIRCUITRY
SWITCH
CONTROL
2
Figure 2. Simplified Phase Slope Internal Circuitry
BREAKPOINT
SLOPE
P
IN
(dBm) P
IN
(dBm) P
IN
(dBm)
PA GAIN (dB)
MAX2009 GAIN (dB)
COMBINED GAIN (dB)
PA GAIN
COMPRESSION
MAX2009
GAIN EXPANSION
IMPROVED
GAIN DISTORTION
Figure 3. PA Gain Compression Canceled by MAX2009 Gain Expansion