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AD8342-EVAL PDF预览

AD8342-EVAL

更新时间: 2024-10-28 04:31:03
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
20页 683K
描述
Active Receive Mixer LF to 500 MHz

AD8342-EVAL 数据手册

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Active Receive Mixer  
LF to 500 MHz  
AD8342  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Broadband RF port: LF to 500 MHz  
Conversion gain: 3.7 dB  
VPDC PWDN EXRB COMM  
10  
9
12  
11  
Noise figure: 12.2 dB  
Input IP3: 22.7 dBm  
Input P1dB: 8.3 dBm  
LO drive: 0 dBm  
Differential high impedance RF input port  
Single-ended, 50 Ω LO input port  
Single-supply operation: 5 V @ 98 mA  
Power-down mode  
COMM  
RFCM  
RFIN  
13  
8
7
6
5
COMM  
IFOP  
BIAS  
14  
15  
16  
AD8342  
IFOM  
VPMX  
COMM  
3
4
1
2
VPLO LOCM LOIN COMM  
Exposed paddle LFCSP: 3 mm × 3 mm  
Figure 1.  
APPLICATIONS  
Cellular base station receivers  
ISM receivers  
Radio links  
RF instrumentation  
GENERAL DESCRIPTION  
The AD8342 is a high performance, broadband active mixer.  
It is well suited for demanding receive-channel applications  
that require wide bandwidth on all ports and very low inter-  
modulation distortion and noise figure.  
The open-collector differential outputs provide excellent bal-  
ance and can be used with a differential filter or IF amplifier,  
such as the AD8369 or AD8351. These outputs can also be con-  
verted to a single-ended signal through the use of a matching  
network or a transformer (balun). When centered on the VPOS  
supply voltage, the outputs may swing 2 V differentially.  
The AD8342 provides a typical conversion gain of 3.7 dB with  
an RF frequency of 238 MHz. The integrated LO driver presents  
a 50 Ω input impedance with a low LO drive level, helping to  
minimize the external component count.  
The AD8342 is fabricated on an Analog Devices proprietary,  
high performance SiGe IC process. The AD8342 is available in a  
16-lead LFCSP. It operates over a 40°C to +85°C temperature  
range. An evaluation board is also available.  
The differential high impedance broadband RF port allows for  
easy interfacing to both active devices and passive filters. The  
RF input accepts input signals as large as 1.6 V p-p or 8 dBm  
(relative to 50 Ω) at P1dB  
.
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable.  
However, no responsibility is assumed by Analog Devices for its use, nor for any  
infringements of patents or other rights of third parties that may result from its use.  
Specifications subject to change without notice. No license is granted by implication  
or otherwise under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
© 2005 Analog Devices, Inc. All rights reserved.  

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