Rainbow-electronics MAX9995 Bedienungsanleitung PDF herunterladen

General Description

The MAX9995 dual, high-linearity, downconversion

mixer provides 6.1dB gain, +25.6dBm IIP3, and 9.8dB

NF for UMTS/WCDMA, DCS, and PCS base-station

applications. The MAX9995 is ideal for low-side LO

injection. (For a mixer variant optimized for high-side

LO injection, contact the factory.)

This device integrates baluns in the RF and LO ports, a

dual-input LO selectable switch, an LO buffer, two double-

balanced mixers, and a pair of differential IF output ampli-

fiers. The MAX9995 requires a typical LO drive of 0dBm

and supply current is guaranteed to be below 380mA.

These devices are available in a compact 36-pin thin

QFN package (6mm × 6mm) with an exposed paddle.

Electrical performance is guaranteed over the extended

temperature range, from T

= -40°C to +85°C.

Applications

Features

♦ 1700MHz to 2200MHz RF Frequency Range

♦ 1400MHz to 2000MHz LO Frequency Range

(MAX9995)

♦ 1900MHz to 2400MHz LO Frequency Range

(Contact Factory)

♦ 40MHz to 350MHz IF Frequency Range

♦ 6.1dB Conversion Gain

♦ +25.6dBm Input IP3

♦ 9.8dB Noise Figure

♦ 66dBc 2RF–2LO Spurious Rejection at

= -10dBm

♦ Dual Channels Ideal for Diversity Receiver

Applications

♦ Integrated LO Buffer

♦ Integrated RF and LO Baluns for Single-Ended

Inputs

♦ Low -3dBm to +3dBm LO Drive

♦ Built-In SPDT LO Switch with 50dB LO1–LO2

Isolation and 50ns Switching Time

♦ 44dB Channel-to-Channel Isolation

MAX9995

Dual, SiGe, High-Linearity, 1700MHz to 2200MHz

Downconversion Mixer with LO Buffer/Switch

________________________________________________________________ Maxim Integrated Products 1

19-3383; Rev 0; 8/04

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.

cdma2000 is a registered trademark of Telecommunications

Industry Association.

Ordering Information

PART TEMP RANGE PIN-PACKAGE

MAX9995ETX T

** = -40°C to +85°C 36 Thin QFN-EP*

MAX9995ETX-T T

= -40°C to +85°C 36 Thin QFN-EP*

MAX9995ETX+D T

= -40°C to +85°C

36 Thin QFN-EP*

lead free, bulk

MAX9995ETX+TD T

= -40°C to +85°C

36 Thin QFN-EP*

lead free, T/R

*EP = Exposed pad.

**T

= Case temperature.

LO2

GND

TAPDIV

TAPMAIN

RFMAIN

RFDIV

EXPOSED

PADDLE

IFD_SET

GND

IND_EXTD

LO_ADJ_D

N.C.

LO_ADJ_M

IND_EXTM

GND

IFM

_SET

IFD+

IFD-

IFM

LO1

LOSEL

GND

MAX9995

EXPOSED PADDLE ON THE BOTTOM OF THE PACKAGE

6mm x 6mm THIN QFN (EXPOSED PADDLE)

TOP VIEW

Pin Configuration/

Functional Diagram

UMTS/WCDMA and

cdma2000

3G Base

Stations

DCS1800 and EDGE

Base Stations

PCS1900 and EDGE

Base Stations

PHS/PAS Base Stations

Fixed Broadband

Wireless Access

Wireless Local Loop

Private Mobile Radio

Military Systems

1 2 3 4 5 6 ... 12 13

Inhaltsverzeichnis

Seite 1 - TOP VIEW

General DescriptionThe MAX9995 dual, high-linearity, downconversionmixer provides 6.1dB gain, +25.6dBm IIP3, and 9.8dBNF for UMTS/WCDMA, DCS, and PCS

Seite 2 - AC ELECTRICAL CHARACTERISTICS

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch10 ____________________________________________________

Seite 3

internal LO SPDT switch that can be used for frequen-cy-hopping applications. The switch selects one of thetwo single-ended LO ports, allowing the ext

Seite 4

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch12 ____________________________________________________

Seite 5

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/SwitchMaxim cannot assume responsibility for use of any circu

Seite 6

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch2 _____________________________________________________

Seite 7

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch_______________________________________________________

Seite 8 - Pin Description

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch4 _____________________________________________________

Seite 9 - Pin Description (continued)

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch_______________________________________________________

Seite 10 - Typical Application Circuit

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch6 _____________________________________________________

Seite 11 - Chip Information

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch_______________________________________________________

Seite 12 - Package Information

MAX9995Dual, SiGe, High-Linearity, 1700MHz to 2200MHzDownconversion Mixer with LO Buffer/Switch8 _____________________________________________________

Seite 13 - PACKAGE OUTLINE

Detailed DescriptionThe MAX9995 dual, high-linearity, downconversionmixer provides 6.1dB gain and +25.6dBm IIP3, with a9.8dB noise figure. Integrated

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Rainbow-electronics MAX9995 Bedienungsanleitung

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Inhaltsverzeichnis

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