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PDF HFA3926 Data sheet ( Hoja de datos )
| Número de pieza | HFA3926 | |
| Descripción | 2.0GHz - 2.7GHz 250mW Power Amplifier | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
HFA3926
July 1998
File Number 4282.2
2.0GHz - 2.7GHz 250mW Power Amplifier
™ The Intersil HFA3926 is an integrated
power amplifier 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 HFA3926 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 Local Loop systems.
REMEMBER: Always apply Negative power to the VG pins
before applying the Positive VDD bias. Failure to do so may
result in the destruction of the HFA3926 Power Amplifier.
Ordering Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
PKG.
NO.
HFA3926IA
-40 to 85 28 Ld SSOP
M28.15
HFA3926IA96
-40 to 85 Tape and Reel
Pinout
HFA3926
(SSOP)
TOP VIEW
GND 1
GND 2
GND 3
GND 4
GND 5
GND 6
GND 7
N/C 8
VG2 9
GND 10
VDD1 11
GND 12
GND 13
VG1 14
28 GND
27 VDD
26 GND
25 RF OUT
24 GND
23 VDD3
22 GND
21 GND
20 GND
19 GND
18 VDD2
17 VG3
16 GND
15 RF IN
Features
• Highly Integrated Power Amplifier
• Operates Over 2.7V to 6V Supply Voltage
• High Linear Output Power (P1dB: +24.5dBm)
• Low Cost SSOP-28 Plastic Package
Applications
• Wireless Local Loop Systems
• Systems Targeting IEEE 802.11 Standard
• TDD Quadrature-Modulated Communication Systems
• Wireless Local Area Networks
• PCMCIA Wireless Transceivers
• ISM Systems
Functional Block Diagram
VDDX(+)
VGX(-)
STAGE BIAS CONTROL
RF IN
STAGE 1 STAGE 2 STAGE 3
ANT
2-229
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.
1 page  
HFA3926
Typical Performance Curves (Continued)
Power Amplifier Temperature Performance NOTE: All data measured at TA = 25oC and VG1, VG2 and VG3 adjusted for first stage quies-
cent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
35 30
2.45GHz, VDD1 = VDD2 = VDD3 = +5V
30
25oC
25
20
-20oC
70oC
25
-20oC
20 25oC
70oC
15
10
15
10 VDD1 = VDD2 = VDD3 = +5V
2.0 2.2 2.4
2.6
FREQUENCY (GHz)
FIGURE 7. LINEAR GAIN
2.8
3.0
5
0
-19 -14
-9
-4
INPUT POWER (dBm)
FIGURE 8. POWER OUTPUT
1
0
-1
-20oC
70oC
-2
25oC
-3
-4
2.45GHz, VDD1 = VDD2 = VDD3 = +5V
-5
-20 -15 -10 -5
INPUT POWER (dBm)
0
FIGURE 9. GAIN COMPRESSION
5
Power Amplifier Spurious Response at Various Supply Voltages NOTE: All data measured at TA = 25oC and VG1, VG2 and VG3
adjusted for first stage quiescent current of 20mA, second stage current of 53mA and third stage current of 90mA, respectively.
50 70
2.45GHz, TONE SPACING 600kHz
2.45GHz, VDD1 = VDD2 = VDD3
65
40 3V
60
5V
6V 55
30 5V
6V
50
4V
20 45
3V 4V
40
10
9
13 17 21
FUNDAMENTAL POUT OF TONES (dBm)
25
FIGURE 10. THIRD ORDER INTERMODULATION RATIO
35
15
17 19 21 23
FUNDAMENTAL POUT (dBm)
FIGURE 11. SECOND HARMONIC RATIO
25
2-233
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HFA3926.PDF ] | |
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