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Sirenza Microdevices - 1W Power Amplifier

Numéro de référence SZA-2044Z
Description 1W Power Amplifier
Fabricant Sirenza Microdevices 
Logo Sirenza Microdevices 





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Product Description
Sirenza Microdevices’ SZA-2044 is a high efficiency class
SZA-2044 / SZA-2044Z
AB Heterojunction Bipolar Transistor (HBT) amplifier
housed in a low-cost surface-mountable plastic package.
2.0-2.7 GHz 5V 1W Power Amplifier
This HBT amplifier is made with InGaP on GaAs device
technology and fabricated with MOCVD for an ideal combi-
nation of low cost and high reliability. This product is specif-
ically designed as a final stage for 802.11b/g and 801.16
equipment in the 2.0-2.7 GHz bands. It can run from a 3V to
Pb RoHS Compliant
& Green Package
5V supply. Optimized on-chip impedance matching circuitry
provides a 50nominal RF input impedance. The external
output match and bias adjustability allows load line optimi-
zation for other applications or over narrower bands. It fea-
4mm x 4mm QFN Package
tures an output power detector, on/off power control and
high RF overdrive robustness. This product is available in a
RoHS Compliant and Green package with matte tin finish,
designated by the “Z” package suffix.
Functional Block Diagram
Vcc
Power
Up/Down
Control
Active
Bias
Active
Bias
Product Features
802.11g 54Mb/s Class AB Performance
Pout = 22.5dBm @ 3% EVM, 5V, 340mA
Pout = 18dBm @ 3% EVM, 3.3V, 175mA
On-chip Output Power Detector
P1dB = 29.5dBm @ 5V, P1dB = 25dBm @ 3.3V
Robust - Survives RF Input Power = +15dBm
Power up/down control < 1µs
Available in RoHS Green Compliant Package
RFIN
RFOUT
Power Detector Vout
Key Specifications
Applications
802.11b/g WLAN, 2.4GHz ISM Applications
WiMax 802.16, MMDS and MDS bands
Symbol
Parameters: Test Conditions, App circuit page 4
Z0 = 50 , VCC = 5.0V, Iq = 300mA, TBP = 30ºC
Unit
Min.
Typ.
Max.
fO Frequency of Operation
MHz
2000
2700
P1 d B
Output Power at 1dB Compression – 2.4 GHz
Output Power at 1dB Compression – 2.5 GHz
dBm
28.0
29.5
29.5
Small Signal Gain at 2.4 GHz
S21 Small Signal Gain at 2.5 GHz
23.5
25.5
27.5
dB
23.5
25.5
27.5
Pout
Output power at 3% EVM 802.11g 54Mb/s - 2.4GHz
Output Power at 3% EVM 802.11g 54Mb/s - 2.5GHz
dBm
22.5
22.5
NF Noise Figure at 2.5 GHz
dB 6.1
IM3 Third Order Intermod at 18dBm per tone - 2.5GHz
dBc
-44 -40
IRL
ORL
Worst Case Input Return Loss 2.4-2.5GHz
Worst Case Output Return Loss 2.4-2.5GHz
10 13
dB
9 11
Vdet Range Output Voltage Range for Pout=15dBm to 29dBm
V
0.9 to 1.7
Icq
IVPC
ILEAK
Rth, j-l
Quiescent Current (V cc = 5V)
Power Up Control Current, Vpc=5V, ( I VPC1 + I VPC2 )
Off Vcc Leakage Current Vpc=0V
Thermal Resistance (junction - lead)
mA 255 300 345
mA 1.9
uA 6 100
ºC/W
28
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for ina ccuracies or ommisions.
Sirenza Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are subject to change without
notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product
for use in life-support devices and/or systems.
Copyright 2002 Sirenza Microdevices, Inc. All worldwide rights reserved.
303 South Technology Court Broomfield, CO 80021
Phone: (800) SMI-MMIC
http://www.sirenza.com
1 EDS-103612 Rev E

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