Rainbow-electronics MAX19996A Uživatelský manuál stáhnout pdf

General Description

The MAX19996A single, high-linearity downconversion

mixer provides 8.7dB conversion gain, +24.5dBm IIP3,

and 9.8dB noise figure for 2000MHz to 3900MHz WCS,

LTE, WiMAX™, and MMDS wireless infrastructure appli-

cations. With an ultra-wide LO frequency range of

2100MHz to 4000MHz, the MAX19996A can be used in

either low-side or high-side LO injection architectures

for virtually all 2.5GHz and 3.5GHz applications. For a

2.5GHz variant tuned specifically for low-side injection,

refer to the MAX19996 data sheet.

In addition to offering excellent linearity and noise

performance, the MAX19996A also yields a high level

of component integration. This device includes a dou-

ble-balanced passive mixer core, an IF amplifier, and

an LO buffer. On-chip baluns are also integrated to

allow for single-ended RF and LO inputs. The

MAX19996A requires a nominal LO drive of 0dBm,

and supply current is typically 230mA at V

= 5.0V,

or 150mA at V

= 3.3V.

The MAX19996A is pin compatible with the MAX19996

2000MHz to 3000MHz mixer. The device is also pin

similar with the MAX9984/MAX9986/MAX9986A

400MHz to 1000MHz mixers and the MAX9993/

MAX9994/MAX9996 1700MHz to 2200MHz mixers,

making this entire family of downconverters ideal for

applications where a common PCB layout is used for

multiple frequency bands.

The MAX19996A is available in a compact 5mm x 5mm,

20-pin thin QFN with an exposed pad. Electrical perfor-

mance is guaranteed over the extended -40°C to

+85°C temperature range.

Applications

2.3GHz WCS Base Stations

2.5GHz WiMAX and LTE Base Stations

2.7GHz MMDS Base Stations

3.5GHz WiMAX and LTE Base Stations

Fixed Broadband Wireless Access

Wireless Local Loop

Private Mobile Radios

Military Systems

Features

o 2000MHz to 3900MHz RF Frequency Range

o 2100MHz to 4000MHz LO Frequency Range

o 50MHz to 500MHz IF Frequency Range

o 8.7dB Conversion Gain

o 9.8dB Noise Figure

o +24.5dBm Typical Input IP3

o 11dBm Typical Input 1dB Compression Point

o 67dBc Typical 2LO-2RF Spurious Rejection at

= -10dBm

o Integrated LO Buffer

o Integrated RF and LO Baluns for Single-Ended

Inputs

o Low -3dBm to +3dBm LO Drive

o Pin Compatible with the MAX19996 2000MHz to

3000MHz Mixer

o Pin Similar with the MAX9993/MAX9994/MAX9996

Series of 1700MHz to 2200MHz Mixers and the

MAX9984/MAX9986/MAX9986A Series of 400MHz

to 1000MHz Mixers

o Single 5.0V or 3.3V Supply

o External Current-Setting Resistors Provide Option

for Operating Device in Reduced-Power/Reduced-

Performance Mode

MAX19996A

SiGe, High-Linearity, 2000MHz to 3900MHz

Downconversion Mixer with LO Buffer

________________________________________________________________

Maxim Integrated Products

Ordering Information

19-4402; Rev 1; 5/09

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.

PART TEMP RANGE PIN-PACKAGE

MAX19996AETP+ -40°C to +85°C

20 Thin QFN-EP*

MAX19996AETP+T

-40°C to +85°C

20 Thin QFN-EP*

WiMAX is a trademark of WiMAX Forum.

Pin Configuration/Functional Diagram appears at end of

data sheet.

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

EP = Exposed pad.

T = Tape and reel.

1 2 3 4 5 6 ... 34 35

MAX19996A 1

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General DescriptionThe MAX19996A single, high-linearity downconversionmixer provides 8.7dB conversion gain, +24.5dBm IIP3,and 9.8dB noise figure for 2

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Detailed DescriptionWhen used as a high-side LO injection mixer in the2300MHz to 2900MHz RF band, the MAX19996A pro-vides 8.7dB of conversion gain and

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______________________________________________________________________________________ 31SiGe, High-Linearity, 2000MHz to 3900MHzDownconversion Mixer

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DESIGNATION QTY DESCRIPTION COMPONENT SUPPLIER8.2pF microwave capacitor (0402). Use for RF frequenciesranging from 2000MHz to 3000MHz.C1 11.5pF microw

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NOTE: PINS 3, 4, 5, 10, 12, 13, AND 17 ARE ALL INTERNALLYCONNECTED TO THE EXPOSED GROUND PAD. CONNECTTHESE PINS TO GROUND TO IMPROVE ISOLATION.PINS 9

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MAX19996ASiGe, High-Linearity, 2000MHz to 3900MHzDownconversion Mixer with LO BufferMaxim cannot assume responsibility for use of any circuitry other

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