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MAX9985ETX+T

更新时间： 2024-11-18 03:34:59
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美信 - MAXIM 开关
页数 文件大小 规格书
15页 217K
描述
Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch

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MAX9985ETX+T 数据手册

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19-0705 Rev 0; 1/07  
Dual, SiGe, High-Linearity, 700MHz to 1000MHz  
Downconversion Mixer with LO Buffer/Switch  
MAX985  
General Description  
Features  
The MAX9985 high-linearity, dual-channel downconver-  
sion mixer is designed to provide approximately 6dB  
gain, +28.5dBm of IIP3, and 10.5dB of noise figure (NF)  
ideal for diversity receiver applications. With a 700MHz  
to 1000MHz RF frequency range and a 570MHz to  
865MHz LO frequency range, this mixer is ideal for low-  
side LO injection architectures. In addition, the broad  
frequency range makes the MAX9985 ideal for GSM  
850/950, 2G/2.5G EDGE, WCDMA, cdma2000®, and  
iDEN® base-station applications.  
ꢀ 700MHz to 1000MHz RF Frequency Range  
ꢀ 570MHz to 865MHz LO Frequency Range  
ꢀ 50MHz to 250MHz IF Frequency Range  
ꢀ 6dB Typical Conversion Gain  
ꢀ 10.5dB Typical Noise Figure  
ꢀ +28.5dBm Typical Input IP3  
ꢀ +16.2dBm Typical Input 1dB Compression Point  
ꢀ 77dBc Typical 2RF-2LO Spurious Rejection at  
The MAX9985 dual-channel downconverter achieves a  
high level of component integration. The MAX9985 inte-  
grates two double-balanced active mixer cores, two LO  
buffers, a dual-input LO selectable switch, and a pair of  
differential IF output amplifiers. In addition, integrated  
on-chip baluns at the RF and LO ports allow for single-  
ended RF and single-ended LO inputs. The MAX9985  
requires a typical 0dBm LO drive. Supply current is  
adjustable up to 400mA.  
P
RF  
= -10dBm  
ꢀ Dual Channels Ideal for Diversity Receiver  
Applications  
ꢀ 47dB Typical Channel-to-Channel Isolation  
ꢀ -3dBm to +3dBm LO Drive  
ꢀ Integrated LO Buffer  
ꢀ Internal RF and LO Baluns for Single-Ended  
The MAX9985 is available in a 36-pin thin QFN pack-  
age (6mm x 6mm) with an exposed paddle. Electrical  
performance is guaranteed over the extended tempera-  
Inputs  
ꢀ Built-In SPDT LO Switch with 43dB LO1-to-LO2  
Isolation and 50ns Switching Time  
ture range, from T = -40°C to +85°C.  
C
ꢀ Pin-Compatible with MAX9995/MAX9995A  
Applications  
1700MHz to 2200MHz Mixers  
850MHz WCDMA Base Stations  
ꢀ Lead-Free Package Available  
Ordering Information  
PKG  
GSM 850/GSM 950, 2G/2.5G EDGE Base  
Stations  
cdmaOne™ and cdma2000 Base Stations  
iDEN Base Stations  
PART  
TEMP RANGE PIN-PACKAGE  
CODE  
36 Thin QFN-EP*  
-40°C to +85°C  
Fixed Broadband Wireless Access  
Wireless Local Loop  
MAX9985ETX  
T3666-2  
(6mm x 6mm)  
36 Thin QFN-EP*  
-40°C to +85°C (6mm x 6mm), T3666-2  
T/R  
Private Mobile Radios  
MAX9985ETX-T  
MAX9985ETX+  
Military Systems  
Digital and Spread-Spectrum Communication  
Systems  
36 Thin QFN-EP*  
(6mm x 6mm),  
lead free, bulk  
-40°C to +85°C  
T3666-2  
Microwave Links  
cdma2000 is a registered trademark of Telecommunications  
Industry Association.  
36 Thin QFN-EP*  
MAX9985ETX+T -40°C to +85°C (6mm x 6mm), T3666-2  
lead free, T/R  
iDEN is a registered trademark of Motorola, Inc.  
cdmaOne is a trademark of CDMA Development Group.  
*EP = Exposed paddle.  
T = Tape-and-reel package.  
+Denotes lead-free and RoHS compliant.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...15

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MAX9985ETX+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX9985ETX+ MAXIM

完全替代

 Dual, SiGe, High-Linearity, 700MHz to 1000MHz Downconversion Mixer with LO Buffer/Switch

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