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1200MHz to 2500MHz Adjustable
RF Predistorter
Pin Description
PIN
1, 2, 4, 5, 7,
8, 10, 16, 20,
22, 26, 28
3
6
9
11
12
13
14
15
17
18
19
21
23
24
25
27
EP
NAME
GND
ING
OUTP
INP
PFS1
PFS2
PDCS1
PDCS2
V CCP
PBIN
PBEXP
PBRAW
V CCG
GBP
GFS
GCS
OUTG
GND
FUNCTION
Ground. Internally connected to the exposed paddle.
RF Gain Input. Connect ING to a coupling capacitor if it is not connected to OUTP. ING is
interchangeable with OUTG.
RF Phase Output. Connect OUTP to a coupling capacitor if it is not connected to INP. OUTP is
interchangeable with INP.
RF Phase Input. Connect INP to a coupling capacitor. This pin is interchangeable with OUTP.
Fine Phase-Slope Control Input 1. See the Typical Application Circuit .
Fine Phase-Slope Control Input 2. See the Typical Application Circuit .
Digital Coarse Phase-Slope Control Range Input 1. Set to logical zero for the steepest slope.
Digital Coarse Phase-Slope Control Range Input 2. Set to logical zero for the steepest slope.
Phase-Control Supply Voltage. Bypass with a 0.01μF capacitor to ground as close to the device as
possible. Phase section can operate without V CCG .
Phase Breakpoint Control Input
Phase Expansion Output. Connect PBEXP to PBRAW to use PBIN as the breakpoint control voltage.
Uncompensated Phase Breakpoint Input
Gain-Control Supply Voltage. Bypass with a 0.01μF capacitor to ground as close to the device as
possible. Gain section can operate without V CCP .
Gain Breakpoint Control Input
Fine Gain-Slope Control Input
Coarse Gain-Slope Control Input
RF Gain Output. Connect OUTG to a coupling capacitor. OUTG is interchangeable with ING.
Exposed Ground Paddle. Solder EP to the ground plane.
Detailed Description
The MAX2009 adjustable predistorter can provide up to
12dB of ACPR improvement for high-power amplifiers by
introducing gain and phase expansion to compensate
for the PA’s gain and phase compression. The MAX2009
enables real-time software-controlled distortion correc-
tion, as well as set-and-forget tuning through the adjust-
ment of the expansion starting point (breakpoint) and the
rate of expansion (slope). The gain and phase break-
points can be set over a 20dB input power range. The
phase expansion slope is variable from 0.3 ° /dB to
2.0 ° /dB and can be adjusted for a maximum of 24 ° of
phase expansion. The gain expansion slope is variable
from 0.1dB/dB to 0.6dB/dB and can be adjusted for a
maximum of 7dB gain expansion.
The following sections describe the tuning methodology
best implemented with a class A amplifier. Other classes
of operation may require significantly different settings.
12
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相关代理商/技术参数
MAX2009ETI-T 功能描述:射频前端 1.2-2.5GHz Adj RF Predistorter RoHS:否 制造商:Skyworks Solutions, Inc. 类型: 工作频率:2.4 GHz, 5 GHz 最大数据速率:54 Mbps 噪声系数: 工作电源电压:3.3 V 电源电流:180 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-32
MAX2009EVKIT 功能描述:射频开发工具 Evaluation Kit for the MAX2009 MAX2010 RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
MAX200C/D 功能描述:RS-232接口集成电路 +5V RS-232 Transceiver with 0.1 Micro Farads External Capacitors RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX200CPP 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX200CWP 功能描述:RS-232接口集成电路 RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX200CWP+ 功能描述:RS-232接口集成电路 5V RS-232 Tcvr w/0.1uF External Cap RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装:
MAX200CWP+T 功能描述:RS-232接口集成电路 5V RS-232 Tcvr w/0.1uF External Cap RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: