
500MHz to 1100MHz Adjustable
RF Predistorter
PREAMPLIFIER
GAIN = 7dB
6
OUTP
3
ING
V PF_S1 = 1.5V
PREAMPLIFIER
P IN = 14dBm
9 INP
11 PFS1
MAX2010
OUTG 27
GBP 23
POWER
AMPLIFIER
12 PFS2
PHASE
GAIN
19 PBRAW
CONTROL
CONTROL
GFS 24
18 PBEXP
PBIN PDCS1 PDCS2
GCS
V PBIN = 0.8V
17
13
14
25
V GBP = 1V
V PDCS1 = 0V
V PDCS2 = 5V
Figure 5. MAX2010 Phase and Gain Optimization Circuit
V GFS = 1.5V
V GCS = 1V
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17