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MAX9982 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX9982
Description  825MHz to 915MHz, SiGe High-Linearity Active Mixer
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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General Description
The MAX9982 fully integrated SiGe mixer is optimized to
meet the demanding requirements of GSM850, GSM900,
and CDMA850 base-station receivers. Each high-lineari-
ty device includes a local oscillator (LO) switch, LO dri-
ver, and active mixer. On-chip baluns are also integrated
to allow for single-ended RF and LO inputs. Since the
active mixer provides 2dB of conversion gain, the device
effectively replaces the IF amplifier stage, which typically
follows most passive mixer implementations.
The MAX9982 provides exceptional linearity with an
input IP3 of greater than +26dBm. The integrated LO
driver allows for a wide range of LO drive levels from
-5dBm to +5dBm. In addition, the built-in switch
enables rapid LO selection of less than 250ns, as need-
ed for GSM frequency-hopping applications.
The MAX9982 is available in a 20-pin QFN package
(5mm 5mm) with an exposed paddle and is specified
over the -40°C to +85°C extended temperature range.
Applications
GSM850/GSM900 2G and 2.5G EDGE Base
Station Receivers
Cellular cdmaOneTM and cdma2000TM Base
Station Receivers
TDMA and Integrated Digital Enhanced
Network (iDEN)TM Base Station Receivers
Digital and Spread-Spectrum Communication
Systems
Microwave Links
Features
o +26.8dBm Input IP3
o +13dBm Input 1dB Compression Point
o 825MHz to 915MHz RF Frequency Range
o 70MHz to 170MHz IF Frequency Range
o 725MHz to 1085MHz LO Frequency Range
o 2dB Conversion Gain
o 12dB Noise Figure
o -5dBm to +5dBm LO Drive
o 5V Single-Supply Operation
o Built-In LO Switch
o ESD Protection
o Internal RF and LO Baluns for Single-Ended Inputs
825MHz to 915MHz, SiGe High-Linearity
Active Mixer
________________________________________________________________ Maxim Integrated Products
1
19-2489; Rev 1; 9/02
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.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX9982ETP
-40°C to +85°C
20 QFN-EP* (5mm
× 5mm)
13
12
11
14
15
GND
GND
GND
LO2
LO1
4
3
2
1
RFBIAS
TAP
RF
5
GND
GND
MAX9982
TOP VIEW
QFN
Pin Configuration/
Functional Diagram
Typical Application Circuit appears at end of data sheet.
cdmaOne is a trademark of CDMA Development Group.
cdma2000 is a trademark of Telecommunications Industry
Association.
iDEN is a trademark of Motorola, Inc.
*EP = exposed paddle.




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