1200MHz to 2500MHz Adjustable
RF Predistorter
POWER
AMPLIFIER
P OUT = 7dBm
OUTP
6
ING
3
MAX2009
PREAMPLIFIER
V PF_S1 = 1.5V
P IN = 14dBm
9 INP
11 PFS1
OUTG 27
GBP 23
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 PDCS1 = 0V
V PDCS2 = 5V
Figure 4. AM-PM Response Tuning Circuit
Power-Supply Bypassing
Bypass each V CC pin with a 0.01μF capacitor.
Exposed Pad RF
Table 1. Suggested Components of
Typical Application Circuit
The exposed paddle (EP) of the MAX2009’s 28-pin thin
DESIGNATION
VALUE
TYPE
QFN-EP package provides a low inductance path to
ground. It is important that the EP be soldered to the
C1, C6, C8, C10 8.2pF ±0.25pF 0402 ceramic capacitors
ground plane on the PC board, either directly or
through an array of plated via holes.
C2, C3
C4, C5
C7, C9
R1, R2
VR1, VR2
1.5pF ± 0.1pF
0.01μF ± 10%
0.5pF ± 0.1pF
1k Ω ± 5%
Skyworks
SMV1232-079
0402 ceramic capacitors
0603 ceramic capacitors
0402 ceramic capacitors
0402 resistors
Hyperabrupt varactor
diodes
16
______________________________________________________________________________________
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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: