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MAX4001 Evaluation Kit
Table 2. Quasi-Measurement Mode
Selection
Evaluating the MAX4002
The MAX4001 can be replaced with the MAX4002 to
allow an input range of -30dBm to +15dBm in 50 ? . The
JUMPER
JU1, JU2
SHUNT
POSITION
Installed
Not Installed
DESCRIPTION
Quasi-measurement mode
enabled
Quasi-measurement mode
disabled
modifications required are as follows:
1) Replace U1 with a MAX4002EBL.
Layout Considerations
A good PC board is an essential part of RF circuit
design. The MAX4001 EV kit PC board can serve as a
guide for laying out a board using the MAX4000/
MAX4001/MAX4002. Keep traces carrying RF signals
Filter Capacitor Selection
When functioning as a PA controller, the MAX4001
requires some capacitance to maintain loop stability.
Global System for Mobile (GSM) applications require a
control-loop bandwidth of at least 150kHz. A 2200pF
capacitor, C4, is installed to obtain this control-loop
bandwidth. Refer to the Gain and Phase vs. Frequency
graph in the Applications Information section of the
MAX4000/MAX4001/MAX4002 data sheet for alternative
capacitor values.
Evaluating the MAX4000/MAX4002
Evaluating the MAX4000
The MAX4001 can be replaced with the MAX4000 to
allow an input range of -45dBm to 0dBm into 50 ? . The
modifications required are as follows:
1) Replace U1 with a MAX4000EBL.
2) Replace C6 with a 0 ? (0402) resistor.
as short as possible to minimize radiation and insertion
loss due to the PC board. Each VCC node on the PC
board should have its own decoupling capacitor. This
minimizes supply coupling from one section of the PC
board to another. Using a star topology for the supply
layout, in which each VCC node in the circuit has a
separate connection to the central VCC node, can fur-
ther minimize coupling between sections of the PC
board.
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相关代理商/技术参数
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MAX4002EBL+ 制造商:Maxim from Components Direct 功能描述:MAXIM MAX4002EBL+ LOGARITHMIC AMPLIFIERS - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:SP AMP LOG AMP SGL 5.5V 8UCSP - Rail/Tube 制造商:Maxim 功能描述:Maxim MAX4002EBL+ Logarithmic Amplifiers
MAX4002EBL+T 功能描述:射频检测器 2.5GHz 45dB RF Detecting Ctlr RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel
MAX4002EBL-T 功能描述:射频检测器 RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel
MAX4002EUA 功能描述:射频检测器 2.5GHz 45dB RF Detecting Ctlr RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel
MAX4002EUA+ 功能描述:射频检测器 2.5GHz 45dB RF Detecting Ctlr RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel
MAX4002EUA+T 功能描述:射频检测器 2.5GHz 45dB RF Detecting Ctlr RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel
MAX4002EUA-T 功能描述:射频检测器 2.5GHz 45dB RF Detecting Ctlr RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 频率范围:650 MHz to 3 GHz 最大二极管电容: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SC-88 封装:Reel