SZA-5044 Datasheet, PDF (1/8 Pages) List of Unclassifed Manufacturers – 4.9 - 5.9 GHz 5V Power Amplifier

Product Description
Sirenza Microdevices’ SZA-5044 is a high efficiency class
AB Heterojunction Bipolar Transistor (HBT) amplifier
housed in a low-cost surface-mountable plastic package.
This HBT amplifier is made with InGaP on GaAs device
technology and fabricated with MOCVD for an ideal com-
bination of low cost and high reliability.
Preliminary
SZA-5044
4.9 – 5.9 GHz 5V Power Amplifier
This product is specifically designed as a final stage for
802.11a equipment in the 4.9 - 5.9 GHz band for a 5V sup-
ply. Optimized on-chip impedance matching circuitry pro-
vides a 50Ω nominal RF input impedance. A single
external output matching circuit covers the entire 4.9-
5.9GHz band simultaneously. The external output match
allows for load line optimization for other applications or
optimized performance over narrower bands.
Functional Block Diagram
Pow er
Up/Dow n
Control
Activ e
Bias
Activ e
Bias
Vcc
Activ e
Bias
4mm x 4mm QFN Package
Product Features
• 802.11a 54Mb/s Class AB Performance
Pout = 21.5dBm @ 3% EVM, 5V, 310mA
• High Gain = 28dB
• Output Return Loss < -11dB for Linear Tune
• On-chip Output Power Detector
• P1dB = 29dBm @ 5V
• Simultaneous 4.9- 5.9GHz Performance
• Robust - Survives RF Input Power = +15dBm
• Power up/down control < 1µs, Vpc 2.9V to 5V
RFIN
RFOUT
Applications
Key Specifications
Pow er Detector
Vout
• 802.11a WLAN, OFDM
• 5.8GHz ISM Band
• Fixed Wireless, UNII, 802.16 WiMAX
Symbol
Parameters: Test Conditions, App circuit page 4
Z₀ = 50Ω, V_CC = 5.0V, Icq = 220mA, T_BP = 25ºC
Unit
Min.
Typ.
f_O
Frequency of Operation
MHz
4900
P_1dB
Output Power at 1dB Compression – 5.15 GHz
Output Power at 1dB Compression – 5.875 GHz
28.0
29.5
dBm
26.5
28.0
Max.
5900
Gain at 5.15 GHz
S₂₁
Gain at 5.875 GHz
27.2
29.2
31.2
dB
24.4
26.4
28.4
Output power at 3% EVM 802.11a 54Mb/s - 5.15GHz
22
Pout
dBm
Output Power at 3% EVM 802.11a 54Mb/s - 5.875GHz
21
NF
Noise Figure at 5.875 GHz
dB
6.3
IRL
ORL
Worst Case Input Return Loss 5.15-5.875GHz
Worst Case Output Return Loss 5.15-5.875GHz
10
15
dB
7
11
Vdet Range Output Voltage Range for Pout=10dBm to 26dBm
V
0.8 to 1.9
Icq
Vcc Quiescent Current
mA
185
220
255
I_VPC
Power Up Control Current, Vpc=5V ( I_VPC1 + I_VPC2 + I_VPC3 )
mA
1.7
R_{th, j-l}
Thermal Resistance (junction - lead)
ºC/W
24
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies 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
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EDS-103585 Rev C