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Part Number MAX2009
Manufacturers Maxim
Logo Maxim
Description 1200MHz to 2500MHz Adjustable RF Predistorter
Datasheet MAX2009 DatasheetMAX2009 Datasheet (PDF)

  MAX2009   MAX2009
19-2929; Rev 0; 8/03 1200MHz to 2500MHz Adjustable RF Predistorter General Description The MAX2009 adjustable RF predistorter is designed to improve power amplifier (PA) adjacent-channel power rejection (ACPR) by introducing gain and phase expansion in a PA chain to compensate for the PA’s gain and phase compression. With its +23dBm maximum input power level and wide adjustable range, the MAX2009 can provide up to 12dB of ACPR improvement for power amplifiers operating in the 1200MHz to 2500MHz frequency band. Lower frequencies of operation can be achieved with this IC’s counterpart, the MAX2010. The MAX2009 is unique in that it provides up to 7dB of gain expansion and 24° of phase expansion as the input power is increased. The amount of expansion is configurable through two independent sets of control: one set adjusts the gain expansion breakpoint and slope, while the second set controls the same parameters for phase. With these settings in place, the linearization circuit can be run.



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