Datasheet > ISL3685

ISL3685

更新时间： 2024-11-09 04:22:55

品牌	Logo	应用领域
英特矽尔 - INTERSIL		转换器
页数	文件大小	规格书
19页	199K
描述
2.4GHz RF/IF Converter and Synthesizer

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ISL3685 数据手册

ISL3685

Data Sheet

January 2001

File Number 4860.2

2.4GHz RF/IF Converter and Synthesizer

Features

The ISL3685 is a monolithic SiGe

half duplex RF/IF transceiver

designed to operate in the 2.4GHz

• Highly Integrated

• Multiplexed RX/TX IF Path prescribes Single IF Filter

• Programmable Synthesizer

ISM band. The receive chain features

a low noise, gain selectable ampliﬁer (LNA) followed by a

down-converter mixer. An up-converter mixer and a high

performance preampliﬁer compose the transmit chain. The

remaining circuitry comprises a high frequency Phase

Locked Loop (PLL) synthesizer with a three wire

programmable interface for local oscillator applications.

• Gain Selectable LNA

• Power Management/Standby Mode

• Single Supply 2.7V to 3.3V Operation

Cascaded LNA/Mixer (High Gain)

• Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25dB

A reduced ﬁlter count is realized by multiplexing the receive

and transmit IF paths and by sharing a common differential

matching network. Furthermore, both transmit and receive

RF ampliﬁers can be directly connected to mixers as

bandwidth characteristics attenuate image frequencies. The

inherent image rejection of both the transmit and receive

functions allows this economic advantage.

• SSB Noise Figure. . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7dB

• Input IP3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -12dBm

• IF Frequency . . . . . . . . . . . . . . . . . . . 280MHz to 600MHz

Cascaded LNA/Mixer (Low Gain)

• Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -9dB

The ISL3685 is housed in a 44 lead MLFP package well

suited for PCMCIA board and MINI PCI applications.

• Input P1dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +2.5dBm

• IF Frequency . . . . . . . . . . . . . . . . . . . 280MHz to 600MHz

Ordering Information

Cascaded Mixer/Preampliﬁer

• Transmit Cascaded Mixer/Preampliﬁer Gain . . . . . . .25dB

TEMP RANGE

PART NUMBER

ISL3685IR

( C)

PACKAGE

44 Ld MLFP

Tape and Reel

PKG. NO

• SSB Noise Figure. . . . . . . . . . . . . . . . . . . . . . . . . . . .10dB

• Output P1dB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4dBm

• IF Frequency . . . . . . . . . . . . . . . . . . . 280MHz to 600MHz

-40 to 85

L44.7x7

ISL3685IR96

Simpliﬁed Block Diagram

Applications

• IEEE802.11 1Mbps and 2Mbps Standard

• Systems Targeting IEEE802.11, 11Mbps Standard

• Wireless Local Area Networks

• PCMCIA Wireless Transceivers

• ISM Systems

RX_IN

RX_MX_OUT

• TDMA Packet Protocol Radios

• MINI PCI Wireless Transceivers

CP_DO

INTERFACE

PLL

LO_IN

MODULE

REF_IN

TXA_OUT

TX_MX_IN

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

PRISM® is a registered trademark of Intersil Americas Inc. PRISM and design is a trademark of Intersil Americas Inc.

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与ISL3685相关器件

型号	品牌	获取价格	描述	数据表
ISL3685IR	INTERSIL	获取价格	2.4GHz RF/IF Converter and Synthesizer
ISL3685IR96	INTERSIL	获取价格	2.4GHz RF/IF Converter and Synthesizer
ISL3686BIR	RENESAS	获取价格	IC,RF MODULATOR/DEMODULATOR,LLCC,56PIN,PLASTIC
ISL3686BIR-TK	RENESAS	获取价格	IC,RF MODULATOR/DEMODULATOR,LLCC,56PIN,PLASTIC
ISL3687IR	RENESAS	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC48, QFN-48
ISL3687IR-TK	RENESAS	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC48, QFN-48
ISL3690	INTERSIL	获取价格	Dual Band Direct Conversion Transceiver
ISL3690IR	INTERSIL	获取价格	Dual Band Direct Conversion Transceiver
ISL3690IR-TK	INTERSIL	获取价格	Dual Band Direct Conversion Transceiver
ISL3692IR	RENESAS	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC64, MO-220, QFN-64

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