Datasheet

MAX2009
1200MHz to 2500MHz Adjustable
RF Predistorter
16 ______________________________________________________________________________________
Power-Supply Bypassing
Bypass each V
CC
pin with a 0.01µF capacitor.
Exposed Pad RF
The exposed paddle (EP) of the MAX2009’s 28-pin thin
QFN-EP package provides a low inductance path to
ground. It is important that the EP be soldered to the
ground plane on the PC board, either directly or
through an array of plated via holes.
MAX2009
GAIN
CONTROL
PHASE
CONTROL
POWER
AMPLIFIER
P
OUT
= 7dBm
63
27
OUTP ING
OUTG
P
IN
= 14dBm
PREAMPLIFIER
23GBP
24GFS
GCSPDCS2PDCS1PBIN
141317 25
INP
PFS1
PFS2
PBEXP
PBRAW
9
11
12
18
19
V
PF_S1
= 1.5V
V
PBIN
= 0.8V
V
PDCS1
= 0V
V
PDCS2
= 5V
Figure 4. AM-PM Response Tuning Circuit
Table 1. Suggested Components of
Typical Application Circuit
DESIGNATION
VALUE TYPE
C1, C6, C8, C10
8.2pF ±0.25pF
0402 ceramic capacitors
C2, C3
1.5pF ±0.1pF
0402 ceramic capacitors
C4, C5
0.01µF ±10%
0603 ceramic capacitors
C7, C9
0.5pF ±0.1pF
0402 ceramic capacitors
R1, R2 1kΩ ±5% 0402 resistors
VR1, VR2
Skyworks
SMV1232-079
Hyperabrupt varactor
diodes