Datasheet > HFA3726

HFA3726

更新时间： 2024-11-19 22:51:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
21页	163K
描述
400MHz Quadrature IF Modulator/Demodulator

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HFA3726 数据手册

HFA3726

Data Sheet

November 1999

File Number 4310.3

400MHz Quadrature IF

Modulator/Demodulator

Features

• Integrates all IF Transmit and Receive Functions

• Broad Frequency Range . . . . . . . . . . . 10MHz to 400MHz

• 5th Order Low Pass Filter. . . . . . . . . . . . . . . . . . . .7.7MHz

• 400MHz Limiting IF Gain Strip with RSSI. . . . . . . . . .84dB

• Low LO Drive Level . . . . . . . . . . . . . . . . . . . . . . . -15dBm

• Fast Transmit-Receive Switching . . . . . . . . . . . . . . . . .1µs

• Power Management/Standby Mode

™

The HFA3726 is a highly integrated

baseband converter for quadrature

modulation applications. It features all

the necessary functionality for

baseband modulation and

demodulation of I and Q signals. It has a two stage

integrated limiting IF ampliﬁer with 84dB of gain and a built in

Receive Signal Strength Indicator (RSSI). “I” and “Q”

Baseband antialiasing and shaping ﬁlters are integrated in

this design. In addition, these ﬁlters are continuously tunable

over a ±10% frequency range via one external resistor. The

modulator channel receives digital I and Q data for

processing. To achieve broadband operation, the Local

Oscillator frequency input is required to be twice the desired

frequency of modulation/demodulation. A selectable

buffered divide by 2 LO output and a stable reference

voltage is provided for convenience of the user. The device is

housed in a thin 80 lead TQFP package well suited for

PCMCIA board applications.

• Single Supply 2.7V to 5.5V Operation

Applications

• Systems Targeting IEEE 802.11 Standard

• TDD Quadrature-Modulated Communication Systems

• Wireless Local Area Networks

• PCMCIA Wireless Transceivers

• ISM Systems

Ordering Information

• TDMA Packet Protocol Radios

• PCS/Wireless PBX

TEMP.

PART NUMBER RANGE ( C)

PACKAGE

80 Ld TQFP

PKG. NO.

Q80.14x14

• Wireless Local Loop

HFA3726IN

-40 to 85

HFA3726IN96

Tape and Reel

Simpliﬁed Block Diagram

LIM1_IN

LPF_RXI_OUT

RSSI1

RSSI2

LPF_RXQ _OUT

MOD_LO_IN

÷ 2

0 /90

MOD_LO_OUT

LO_GND

LPF_TXI_IN

LPF_TXQ_IN

MOD_TX_IF_OUT

∑

REF

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

PRISM® is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.

12 3 4 5 6 7...21

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与HFA3726相关器件

型号	品牌	获取价格	描述	数据表
HFA3726IA	ETC	获取价格	RF Modulator/Demodulator
HFA3726IA96	ETC	获取价格	RF Modulator/Demodulator
HFA3726IN	INTERSIL	获取价格	400MHz Quadrature IF Modulator/Demodulator
HFA3726IN96	INTERSIL	获取价格	400MHz Quadrature IF Modulator/Demodulator
HFA3761	INTERSIL	获取价格	400MHz AGC and Quadrature IF Demodulator
HFA3761IN	INTERSIL	获取价格	400MHz AGC and Quadrature IF Demodulator
HFA3761IN96	RENESAS	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP80, 14 X 14 MM, PLASTIC, MO-136BQ, TQFP-80
HFA3763	INTERSIL	获取价格	400MHz Quadrature Modulator and AGC
HFA3763IN	INTERSIL	获取价格	400MHz Quadrature Modulator and AGC
HFA3763IN96	RENESAS	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP80, 14 X 14 MM, TQFP-80

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