Datasheet > RF2418

RF2418

更新时间： 2022-12-09 05:49:03

品牌	Logo	应用领域
威讯 - RFMD		放大器
页数	文件大小	规格书
10页	117K
描述
LOW CURRENT LNA/MIXER

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数据手册

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RF2418 数据手册

RF2418

LOW CURRENT LNA/MIXER

Typical Applications

• UHF Digital and Analog Receivers

• Digital Communication Systems

• Commercial and Consumer Systems

• 433MHz and 915MHz ISM Band Receivers

• Spread-Spectrum Communication Systems • General Purpose Frequency Conversion

Product Description

0.156

0.148

0.010

The RF2418 is a monolithic integrated UHF receiver

front-end. The IC contains all of the required components

to implement the RF functions of the receiver except for

the passive filtering and LO generation. It contains an

LNA (low-noise amplifier), a second RF amplifier, a dual-

gate GaAs FET mixer, and an IF output buffer amplifier

which will drive a 50Ω load. In addition, the IF buffer

amplifier may be disabled and a high impedance output is

provided for easy matching to IF filters with high imped-

ances. The output of the LNA is made available as an

output to permit the insertion of a bandpass filter between

the LNA and the RF/Mixer section. The LNA section may

be disabled by removing the VDD1 connection to the IC.

.014

0.347

0.339

0.050

0.252

0.236

0.057

8° MAX

0° MIN

0.0500

0.0164

0.010

0.007

Optimum Technology Matching® Applied

Package Style: SOIC-14

Si BJT

GaAs HBT

ü^{GaAs MESFET}

Si CMOS

Si Bi-CMOS

SiGe HBT

Features

• Single 3V to 6.5V Power Supply

• High Dynamic Range

LNA

LNA IN

GND

14 LNA OUT

13 GND

• Low Current Drain

• High LO Isolation

VDD1

12 GND

RF AMP

• LNA Power Down Mode for Large Signals

VDD2

11 RF IN

10 GND

10pF

IF BYP

IF2 OUT

IF1 OUT

DEC

BUFFER

MIXER

Ordering Information

LO IN

RF2418

Low Current LNA/Mixer

RF2418 PCBA

Fully Assembled Evaluation Board

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Functional Block Diagram

Rev A6 010717

8-35

12 3 4 5 6 7...10

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