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LMX2301TMX

更新时间： 2024-09-21 22:35:59

品牌	Logo	应用领域
美国国家半导体 - NSC		射频个人通信
页数	文件大小	规格书
14页	227K
描述
PLLatinumTM 160 MHz Frequency Synthesizer for RF Personal Communications

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数据手册

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LMX2301TMX 数据手册

PRELIMINARY

November 1996

LMX2301

PLLatinum^TM160 MHz Frequency Synthesizer

for RF Personal Communications

General Description

The LMX2301 is a high performance frequency synthesizer

designed for RF operation up to 160 MHz. It is fabricated

using National’s ABiC IV BiCMOS process.

Features

RF operation up to 160 MHz

2.7V to 5.5V operation

Low current consumption:

2 mA (typ) at V

LMX2301, which employs the digital phase lock loop tech-

nique, combined with a high quality reference oscillator and

a loop filter, provides the tuning voltage for the voltage con-

trolled oscillator to generate a very stable, low noise local

oscillator signal.

Internal balanced, low leakage charge pump

Small-outline, plastic, surface mount TSSOP,

0.173 wide package

Serial data is transferred into the LMX2301 via a three line

MICROWIRE^TMinterface (Data, Enable, Clock). Supply volt-

age can range from 2.7V to 5.5V.

Applications

Analog Cellular telephone systems

(AMPS, ETACS, NMT)

The LMX2301 features very low current consumption, typi-

cally 2 mA at 3V.

Portable wireless communications

(PCS/PCN, cordless)

Other wireless communication systems

The LMX2301 is available in a TSSOP 20-pin surface mount

plastic package.

Block Diagram

TL/W/12458–1

TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.

MICROWIRE^TMand PLLatinum^TMare trademarks of National Semiconductor Corporation.

1996 National Semiconductor Corporation

TL/W/12458

RRD-B30M126/Printed in U. S. A.

http://www.national.com

12 3 4 5 6 7...14

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