Datasheet > HFA3761IN

HFA3761IN

更新时间： 2024-02-19 14:12:20

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
9页	71K
描述
400MHz AGC and Quadrature IF Demodulator

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HFA3761IN 技术参数

生命周期：	Contact Manufacturer	包装说明：	LQFP,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.77	JESD-30 代码：	S-PQFP-G80
长度：	14 mm	功能数量：	1
端子数量：	80	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LQFP	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE	座面最大高度：	1.6 mm
表面贴装：	YES	电信集成电路类型：	RF AND BASEBAND CIRCUIT
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	QUAD
宽度：	14 mm	Base Number Matches：	1

HFA3761IN 数据手册

HFA3761

Data Sheet

July 1999

File Number 4236.4

400MHz AGC and Quadrature IF

Demodulator

Features

• Integrates all IF and AGC Receive Functions

The HFA3761 is a highly integrated

baseband converter for quadrature

demodulation applications. The

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

• I/Q Amplitude and Phase Balance . . . . 0.2dB, 2 Degrees

HFA3761 400MHz AGC and

quadrature IF demodulator is one of the

• 5th Order Programmable

Low Pass Filter. . . . . . . . . . . . . . . . . 2.2MHz to 17.6MHz

seven chips in the PRISM® full duplex chip set (see Typical

Application Diagram). It features all the necessary blocks for

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

stage integrated AGC IF ampliﬁer with 82dB of voltage gain

and 76dB of gain control range. Baseband antialiasing and

shaping filters are integrated in the design. Four filter

bandwidths are programmable via a two bit digital control

interface. In addition, these filters are continuously tunable

over a ±20% frequency range via one external resistor. To

achieve broadband operation, the Local Oscillator

frequency input is required to be twice the desired

frequency of demodulation. A selectable buffered divide by

2 LO output and a stable reference voltage are provided for

convenience of the user. The device is housed in a thin 80

lead TQFP package well suited for PCMCIA board

applications.

• 400MHz AGC Gain Strip . . . . . . . . . . . . . . . . . . . . . 82dB

• AGC Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75dB

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

• Fast AGC Switching . . . . . . . . . . . . . . . . . . . . . . . . . . 1µs

• Power Management/Standby Mode

• Single Supply 2.7V to 5.5V Operation

Applications

• Wireless Local Loop

• Wireless Local Area Networks

• PCMCIA Wireless Transceivers

• ISM Systems

• CDMA Radios

Ordering Information

• PCS/Wireless PBX

TEMP.

PART NUMBER RANGE ( C)

PACKAGE

PKG. NO.

HFA3761IN

-40 to 85

80 Ld TQFP

Q80.14x14

Simpliﬁed Block Diagram

AGC_SEL

AGC1_IN

LPF_RXI_OUT

AGC1_V

AGC

AGC2_V

LPF_RXQ _OUT

DEMOD_LO_IN

DEMOD_LO_OUT

LO_GND

REF

÷2

0 /90

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

4-1

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

12 3 4 5 6 7...9

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与HFA3761IN相关器件

型号	品牌	获取价格	描述	数据表
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
HFA3765	INTERSIL	获取价格	AGC and Quadrature IF Demodulator
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HFA3765IA96	INTERSIL	获取价格	AGC and Quadrature IF Demodulator
HFA3766	INTERSIL	获取价格	400MHz AGC Quadrature IF Modulator/Demodulator
HFA3766IN	INTERSIL	获取价格	400MHz AGC Quadrature IF Modulator/Demodulator
HFA3766IN96	INTERSIL	获取价格	400MHz AGC Quadrature IF Modulator/Demodulator

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