Datasheet > RF2498PCBA-41X

RF2498PCBA-41X

更新时间： 2024-10-14 04:08:27

品牌	Logo	应用领域
威讯 - RFMD		放大器全球定位系统
页数	文件大小	规格书
22页	878K
描述
TRI-BAND/QUAD-MODE CDMA/GPS LOW NOISE AMPLIFIER/MIXER

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中文翻译

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数据手册

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RF2498PCBA-41X 数据手册

RF2498Tri-

Band/Quad-

Mode

CDMA/GPS

Low Noise

Ampli-

RF2498

fier/Mixer

TRI-BAND/QUAD-MODE CDMA/GPS

LOW NOISE AMPLIFIER/MIXER

Package Style: QFN, 32-Pin, 5x5

GPS+

GPS-

24 GPS LNA IN

23 PCS LNA IN

22 IP SET

Features

GPS Receive Front-End

Gain=37dB

CDMA+

CDMA-

FM+

21 PCS LNA OUT

20 CELL LNA IN

19 CELL LNA EMITTER

18 CELL LNA OUT

17 LNA GAIN

Meets IMD Tests with Three

Gain States/Two Logic Con-

trol Lines

FM-

Adjustable Mixer and LNA

Bias Current

VCC2

LO IN

Selectable Divide-by-2 Pres-

caler

Integrated TX LO Buffer Ampli-

fier

Applications

Functional Block Diagram

CDMA/Cellular/PCS/GPS

Handsets

Product Description

The RF2498 is a high performance CDMA tri-band/quad-mode integrated

LNA/mixer with GPS capability. The device is designed to meet all IS-98

sensitivity, intermodulation and single-tone requirements. The RF2498

integrates the tri-band LNA/downconverters with 27.5dB of gain control

for the cellular band and 29dB for the PCS band. The RF2498 is designed

for three state gain control solutions for IS-98 IMD testing. The device

offers a dedicated GPS LNA/mixer with 37dB of gain. Additionally, a

divide-by-2 prescaler to allow the use of either a single- or dual-band VCO

is integrated. There is also a TX LO buffer. The design is flexible, in that the

bias currents may be set using off-chip current reference resistors for the

mixer and LNA blocks. The device is packaged in a plastic, 5mmx5mm,

leadless chip carrier.

JCDMA/GPS Handsets

CDMA Modem/Data Cards

Commercial and Consumer

Systems

Portable Battery-Powered

Equipment

Ordering Information

RF2498

Tri-Band/Quad-Mode CDMA/GPS Low Noise Amplifier/Mixer

RF2498PCBA-41X Fully Assembled Evaluation Board

Optimum Technology Matching® Applied

GaAs HBT

GaAs MESFET

InGaP HBT

SiGe BiCMOS

Si BiCMOS

SiGe HBT

GaAs pHEMT

Si CMOS

Si BJT

GaN HEMT

RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-

mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Rev A3 DS030711

1 of 22

12 3 4 5 6 7...22

中文翻译

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与RF2498PCBA-41X相关器件

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RF250-32	ETC	获取价格	QUADRATURE DEMODULATOR\|BIPOLAR\|QFP\|48PIN\|PLASTIC
RF2504	RFMD	获取价格	VCO/HIGH-ISOLATION BUFFER AMPLIFIER
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RF250D0050	ADAM-TECH	获取价格	RF CONNECTORS
RF250D0075	ADAM-TECH	获取价格	RF CONNECTORS

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