MAX9981

更新时间： 2024-11-05 22:25:39

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
15页	409K
描述
825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer

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MAX9981 数据手册

19-2588; Rev 0; 9/02

825MHz to 915MHz, Dual SiGe High-Linearity

Active Mixer

General Description

Features

The MAX9981 dual high-linearity mixer integrates a local

oscillator (LO) switch, LO buffer, LO splitter, and two

active mixers. On-chip baluns allow for single-ended RF

and LO inputs. The active mixers eliminate the need for

an additional IF amplifier because the mixer provides a

typical overall conversion gain of 2.1dB.

ꢀ +27.3dBm Input IP3

ꢀ +13.6dBm Input 1dB Compression Point

ꢀ 825MHz to 915MHz RF Frequency Range

ꢀ 70MHz to 170MHz IF Frequency Range

ꢀ 725MHz to 1085MHz LO Frequency Range

ꢀ 2.1dB Conversion Gain

The MAX9981 active mixers are optimized to meet the

demanding requirements of GSM850, GSM900, and

CDMA850 base-station receivers. These mixers provide

exceptional linearity with an input IP3 of greater than

+27dBm. The integrated LO driver allows for a wide

range of LO drive levels from -5dBm to +5dBm. In addi-

tion, the built-in high-isolation switch enables rapid LO

selection of less than 250ns, as needed for GSM trans-

ceiver designs.

ꢀ 10.8dB Noise Figure

ꢀ 42dB Channel-to-Channel Isolation

ꢀ -5dBm to +5dBm LO Drive

ꢀ +5V Single-Supply Operation

ꢀ Built-In LO Switch with 52dB LO1 to LO2 Isolation

ꢀ ESD Protection

The MAX9981 is available in a 36-pin QFN package

(6mm ✕ 6mm) with an exposed paddle, and is specified

over the -40°C to +85°C extended temperature range.

ꢀ Integrated RF and LO Baluns for Single-Ended

Inputs

Ordering Information

Applications

GSM850/GSM900 2G and 2.5G EDGE Base-

Station Receivers

PART

TEMP RANGE PIN-PACKAGE

MAX9981EGX-T -40°C to +85°C 36 QFN-EP* (6mm 6mm)

*EP = Exposed paddle.

Cellular cdmaOne™ and cdma2000™ Base-

Station Receivers

Pin Configuration/

Functional Diagram

TDMA and Integrated Digital Enhanced Network

(iDEN)™ Base-Station Receivers

TOP VIEW

Digital and Spread-Spectrum Communication

Systems

Microwave Point-to-Point Links

RFMAIN

TAPMAIN

MAINBIAS

GND

27 LO2

26 GND

25 GND

24 GND

23 LOSEL

22 GND

MAX9981

GND

DIVBIAS

TAPDIV

RFDIV

20 GND

19 LO1

cdmaOne is a trademark of CDMA Development Group.

cdma2000 is a trademark of Telecommunications Industry

Association.

iDEN is a trademark of Motorola, Inc.

6mm x 6mm QFN-EP

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...15

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与MAX9981相关器件

型号	品牌	获取价格	描述	数据表
MAX9981_1	MAXIM	获取价格	Evaluation Kit
MAX9981EGX-T	MAXIM	获取价格	825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer
MAX9981ETX+	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 6 X 6 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, QFN-36
MAX9981EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX9981
MAX9982	MAXIM	获取价格	825MHz to 915MHz, SiGe High-Linearity Active Mixer
MAX9982_1	MAXIM	获取价格	Evaluation Kit
MAX9982ETP	MAXIM	获取价格	825MHz to 915MHz, SiGe High-Linearity Active Mixer
MAX9982ETP+	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, QFN-20
MAX9982ETP+D	MAXIM	获取价格	RF and Baseband Circuit, BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, MO-220, QFN-20
MAX9982ETP+T	MAXIM	获取价格	暂无描述

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