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AD8345ARE-REEL

更新时间： 2024-02-12 04:30:05

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	369K
描述
250 MHz.1000 MHz Quadrature Modulator

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技术参数
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AD8345ARE-REEL 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.58	Is Samacsys：	N
特性阻抗：	50 Ω	构造：	COMPONENT
最大输入功率 (CW)：	10 dBm	JESD-609代码：	e3
调制技术：	QUADRAPHASE	最大工作频率：	1000 MHz
最小工作频率：	140 MHz	最高工作温度：	85 °C
最低工作温度：	-40 °C	射频/微波设备类型：	MODULATOR
端子面层：	MATTE TIN	Base Number Matches：	1

AD8345ARE-REEL 数据手册

250 MHz–1000 MHz

Quadrature Modulator

AD8345

FEATURES

FUNCTIONAL BLOCK DIAGRAM

250 MHz–1000 MHz Operating Frequency

+2.5 dBm P1 dB @ 800 MHz

–155 dBm/Hz Noise Floor

0.5 Degree RMS Phase Error (IS95)

0.2 dB Amplitude Balance

Single 2.7 V–5.5 V Supply

Pin-Compatible with AD8346

16-Lead Exposed Paddle TSSOP Package

AD8345

QBBP

QBBN

COM3

VPS2

IBBP

IBBN

COM3

COM1

LOIN

APPLICATIONS

PHASE

SPLITTER

VOUT

COM2

COM3

Cellular Communication Systems

W-CDMA/CDMA/GSM/PCS/ISM Transceivers

Fixed Broadband Access Systems LMDS/MMDS

Wireless LAN

LOIP

VPS1

ENBL

BIAS

Wireless Local Loop

Digital TV/CATV Modulators

Single Sideband Upconverter

PRODUCT DESCRIPTION

APPLICATIONS

The AD8345 is a silicon RFIC quadrature modulator, designed

for use from 250 MHz to 1000 MHz. Its excellent phase accu-

racy and amplitude balance enable the high performance direct

modulation of an IF carrier.

The AD8345 Modulator can be used as the IF transmit modu-

lator in digital communication systems such as GSM and PCS

transceivers. It can also directly modulate an LO signal to

produce QPSK and various QAM formats for 900 MHz com-

munication systems as well as digital TV and CATV systems.

The AD8345 accurately splits the external LO signal into two

quadrature components through the polyphase phase-splitter

network. The two I and Q LO components are mixed with the

baseband I and Q differential input signals. Finally, the outputs

of the two mixers are combined in the output stage to provide a

single-ended 50 Ω drive at VOUT.

Additionally, this quadrature modulator can be used with direct

digital synthesizers in hybrid phase-locked loops to generate

signals over a wide frequency range with millihertz resolution.

The AD8345 Modulator is supplied in a 16-lead TSSOP pack-

age with exposed paddle. Its performance is specified over a

–40°C to +85°C temperature range. This device is fabricated on

Analog Devices’ advanced silicon bipolar process.

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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