MAX2031EVKIT【PDF 1/20 页】EVAL KIT FOR MAX2031

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ATION

EVALU

AVAILA

19-0248; Rev 1; 6/09

KIT

B LE

High-Linearity, 650MHz to 1000MHz Upconversion/

Downconversion Mixer with LO Buffer/Switch

General Description

The MAX2031 high-linearity passive upconverter or

downconverter mixer is designed to provide +36dBm

IIP3, 7dB NF, and 7dB conversion loss for a 650MHz to

1000MHz RF frequency range to support GSM/cellular

base-station transmitter or receiver applications. With a

650MHz to 1250MHz LO frequency range, this particu-

lar mixer is ideal for high-side LO injection architec-

tures. For a pin-to-pin-compatible mixer meant for

low-side LO injection, refer to the MAX2029.

In addition to offering excellent linearity and noise per-

formance, the MAX2031 also yields a high level of com-

ponent integration. This device includes a double-

balanced passive mixer core, a dual-input LO selec-

table switch, and an LO buffer. On-chip baluns are also

integrated to allow for a single-ended RF input for

downconversion (or RF output for upconversion), and

single-ended LO inputs. The MAX2031 requires a nomi-

nal LO drive of 0dBm, and supply current is guaranteed

to be below 100mA.

The MAX2031 is pin compatible with the MAX2039/

MAX2041 1700MHz to 2200MHz mixers, making this

family of passive upconverters and downconverters

ideal for applications where a common PC board layout

is used for both frequency bands.

Features

? 650MHz to 1000MHz RF Frequency Range

? 650MHz to 1250MHz LO Frequency Range

? 570MHz to 900MHz LO Frequency Range

(Refer to the MAX2029 Data Sheet)

? DC to 250MHz IF Frequency Range

? 7dB Conversion Loss

? +36dBm Input IP3

? +27dBm Input 1dB Compression Point

? 7dB Noise Figure

? Integrated LO Buffer

? Integrated RF and LO Baluns

? Low -3dBm to +3dBm LO Drive

? Built-In SPDT LO Switch with 49dB LO1 to LO2

Isolation and 50ns Switching Time

? Pin Compatible with the MAX2039/MAX2041

1700MHz to 2200MHz Mixers

? External Current-Setting Resistor Provides Option

for Operating Mixer in Reduced-Power/Reduced-

Performance Mode

Ordering Information

The MAX2031 is available in a compact 20-pin thin

QFN package (5mm x 5mm) with an exposed pad.

PART

MAX2031ETP+

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

20 Thin QFN-EP*

cdma2000 ? Base

Broadband Wireless

Electrical performance is guaranteed over the extended

-40°C to +85°C temperature range.

Applications

WCDMA/LTE and Predistortion Receivers

Microwave and Fixed

Stations

GSM 850/GSM 900 2G Access

MAX2031ETP+T -40°C to +85°C 20 Thin QFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

T= Tape and reel.

*EP = Exposed pad.

Pin Configuration/

Functional Diagram

and 2.5G EDGE Base

Stations

Integrated Digital

Enhanced Network

(iDEN ? ) Base Stations

Wireless Local Loop

Digital and Spread-

Spectrum

Communication Systems

TOP VIEW

V CC

LO2

WiMAX? Base Stations

and Customer Premise

Equipment

TAP

GND

MAX2031

V CC

GND

E.P.

GND

LO1

cdma2000 is a registered trademark of Telecommunications

Industry Association.

iDEN is a registered trademark of Motorola, Inc.

WiMAX is a trademark of WiMAX Forum.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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