Datasheet > HFA3925IA

HFA3925IA

更新时间： 2024-11-23 22:38:47

品牌	Logo	应用领域
英特矽尔 - INTERSIL		放大器射频微波功率放大器
页数	文件大小	规格书
9页	99K
描述
null2.4GHz - 2.5GHz 250mW Power Amplifier

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HFA3925IA 数据手册

HFA3925

Data Sheet

July 1998

File Number 4132.4

2.4GHz - 2.5GHz 250mW Power Ampliﬁer

Features

• Highly Integrated Power Ampliﬁer with T/R Switch

• Operates Over 2.7V to 6V Supply Voltage

™

The Intersil 2.4GHz PRISM™ chip set

is a highly integrated five-chip solution

for RF modems employing Direct

• High Linear Output Power (P

1dB

: +24dBm)

Sequence Spread Spectrum (DSSS)

signaling. The HFA3925 2.4GHz-

2.5GHz, 250mW power ampliﬁer is one of the ﬁve chips in

the PRISM™ chip set (see the Typical Application Diagram).

• Individual Gate Control for Each Ampliﬁer Stage

• Low Cost SSOP-28 Plastic Package

The Intersil HFA3925 is an integrated power ampliﬁer with

transmit/receive switch in a low cost SSOP 28 plastic

package. The power ampliﬁer delivers +27dB of gain with

high efﬁciency and can be operated with voltages as low as

2.7V. The power ampliﬁer switch is fully monolithic and can

be controlled with CMOS logic levels.

Applications

• Systems Targeting IEEE 802.11 Standard

• TDD Quadrature-Modulated Communication Systems

• Wireless Local Area Networks

• PCMCIA Wireless Transceivers

• ISM Systems

The HFA3925 is ideally suited for QPSK, BPSK or other

linearly modulated systems in the 2.4GHz Industrial,

Scientiﬁc, and Medical (ISM) frequency band. It can also be

used in GFSK systems where levels of +25dBm are

required. Typical applications include Wireless Local Area

Network (WLAN) and wireless portable data collection.

• TDMA Packet Protocol Radios

• PCS/Wireless PBX

Ordering Information

REMEMBER: Always apply Negative power to the VG

TEMP.

PKG.

NO.

pins before applying the Positive V

bias. Failure to do

PART NUMBER RANGE ( C)

PACKAGE

28 Ld SSOP

so may result in the destruction of the HFA3925 Power

Ampliﬁer.

HFA3925IA

-40 to 85

M28.15

HFA3925IA96

Tape and Reel

Pinout

Functional Block Diagram

HFA3925

(SSOP)

TOP VIEW

T/R CNTRL

(+)

(-)

DDX

GND

28 GND

STAGE BIAS CONTROL

26 T/R CNTRL

25 RF OUT

24 GND

GND

RX OUT

GND

23 DD3

GND

22 GND

21 GND

20 GND

19 GND

GND

RF IN

RX OUT

RF_OUT

ANTENNA

STAGE 1 STAGE 2 STAGE 3

GND

DD2

DD1

GND

16 GND

15 RF IN

GND

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

2-179

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HFA3925IA相关器件

型号	品牌	获取价格	描述	数据表
HFA3925IA96	INTERSIL	获取价格	null2.4GHz - 2.5GHz 250mW Power Amplifier
HFA3926	INTERSIL	获取价格	2.0GHz - 2.7GHz 250mW Power Amplifier
HFA3926IA	INTERSIL	获取价格	2.0GHz - 2.7GHz 250mW Power Amplifier
HFA3926IA96	INTERSIL	获取价格	2.0GHz - 2.7GHz 250mW Power Amplifier
HFA3983	INTERSIL	获取价格	2.4GHz Power Amplifier and Detector
HFA3983IV	INTERSIL	获取价格	2.4GHz Power Amplifier and Detector
HFA3983IV96	INTERSIL	获取价格	2.4GHz Power Amplifier and Detector
HFA3B	HF	获取价格	强制导向继电器
HFA4	HONGFA	获取价格	SAFETY RELAY
HFA4	HF	获取价格	强制导向继电器

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