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MAX2010 Datasheet

  • MAX2010

  • 500MHz至1100MHz可調(diào)節(jié)的RF前饋預(yù)失真器

  • 528.39KB

  • 19頁

  • MAXIM   MAXIM

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19-2930; Rev 0; 8/03
500MHz to 1100MHz Adjustable
RF Predistorter
General Description
The MAX2010 adjustable RF predistorter is designed to
improve power amplifier (PA) adjacent-channel power
rejection (ACPR) by introducing gain and phase expan-
sion in a PA chain to compensate for the PA鈥檚 gain and
phase compression. With its +23dBm maximum input
power level and wide adjustable range, the MAX2010
can provide up to 12dB of ACPR improvement for
power amplifiers operating in the 500MHz to 1100MHz
frequency band. Higher frequencies of operation can
be achieved with this IC鈥檚 counterpart, the MAX2009.
The MAX2010 is unique in that it provides up to 6dB of
gain expansion and 21擄 of phase expansion as the input
power is increased. The amount of expansion is config-
urable 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 in either a static set-and-forget mode, or a more
sophisticated closed-loop implementation can be
employed with real-time software-controlled distortion
correction. Hybrid correction modes are also possible
using simple lookup tables to compensate for factors
such as PA temperature drift or PA loading.
The MAX2010 comes in a 28-pin thin QFN exposed
pad (EP) package (5mm x 5mm) and is specified for
the extended (-40擄C to +85擄C) temperature range.
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Features
Up to 12dB ACPR Improvement*
Independent Gain and Phase Expansion Controls
Gain Expansion Up to 6dB
Phase Expansion Up to 21擄
500MHz to 1100MHz Frequency Range
Exceptional Gain and Phase Flatness
Group Delay <2.4ns (Gain and Phase Sections
Combined)
鹵0.03ns
Group Delay Ripple Over a 100MHz Band
Capable of Handling Input Drives Up to +23dBm
On-Chip Temperature Variation Compensation
Single +5V Supply
Low Power Consumption: 75mW (typ)
Fully Integrated into Small 28-Pin Thin QFN
Package
MAX2010
*Performance
dependent on amplifier, bias, and modulation.
Ordering Information
PART
MAX2010ETI-T
TEMP RANGE
-40擄C to +85擄C
PIN-PACKAGE
28 Thin QFN-EP*
*EP
= Exposed paddle.
Applications
cdma2000鈩? GSM/EDGE, and iDEN Base Stations
OUTG
GND*
Functional Diagram/
Pin Configuration
GND*
GND*
22
21 V
CCG
GAIN
CONTROL
20 GND*
19 PBRAW
18 PBEXP
17 PBIN
PHASE
CONTROL
16 GND*
15 V
CCP
8
GND*
9
INP
10
GND*
11
PFS1
12
PFS2
13
PDCS1
14
PDCS2
GCS
GBP
23
GFS
24
Feed-Forward PA Architectures
Digital Baseband Predistortion Architectures
Military Applications
GND*
GND*
ING
GND*
GND*
OUTP
GND*
1
2
3
4
5
6
7
28
27
26
25
MAX2010
cdma2000 is a trademark of Telecommunications Industry
Assoc.
*INTERNALLY CONNECTED TO EXPOSED GROUND PADDLE.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX2010 PDF文件相關(guān)型號

MAX2010ETI-T

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