參數(shù)資料
型號： HFA3925IA96
廠商： INTERSIL CORP
元件分類： 衰減器
英文描述： null2.4GHz - 2.5GHz 250mW Power Amplifier
中文描述： 2400 MHz - 2500 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
封裝： SSOP, 28PIN
文件頁數(shù)： 1/9頁
文件大?。?/td> 95K
代理商： HFA3925IA96
2-179
HFA3925
2.4GHz - 2.5GHz 250mW Power Amplifier
The Intersil 2.4GHz PRISM chip set
is a highly integrated five-chip solution
for RF modems employing Direct
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).
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.
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.
REMEMBER: Always apply Negative power to the VG
pins before applying the Positive V
DD
bias. Failure to do
so may result in the destruction of the HFA3925 Power
Amplifier.
Features
Highly Integrated Power Amplifier with T/R Switch
Operates Over 2.7V to 6V Supply Voltage
High Linear Output Power (P
1dB
: +24dBm)
Individual Gate Control for Each Amplifier Stage
Low Cost SSOP-28 Plastic Package
Applications
Systems Targeting IEEE 802.11 Standard
TDD Quadrature-Modulated Communication Systems
Wireless Local Area Networks
PCMCIA Wireless Transceivers
ISM Systems
TDMA Packet Protocol Radios
PCS/Wireless PBX
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HFA3925IA
-40 to 85
28 Ld SSOP
M28.15
HFA3925IA96
-40 to 85
Tape and Reel
Pinout
HFA3925
(SSOP)
TOP VIEW
Functional Block Diagram
GND
RF OUT
V
DD3
GND
GND
GND
GND
V
DD
TR
T/R CNTRL
V
G3
GND
GND
GND
GND
GND
GND
RX OUT
GND
V
G2
GND
GND
GND
V
DD1
GND
V
G1
GND
V
DD2
RF IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
STAGE BIAS CONTROL
V
DDX
(+)
RF IN
STAGE 1
STAGE 2
STAGE 3
T/R CNTRL
RF_OUT
TO
ANTENNA
RX OUT
V
GX
(-)
Data Sheet
July 1998
File Number
4132.4
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
PRISM is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
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