1
EDS-100611 Rev. B
Product Description
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza Microdevices
assumes no responsibility for the use of this information, and all such information shall be entirely at the users 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 2001 Sirenza Microdevices, Inc.. All worldwide rights reserved.
SGA-5386
DC-5000 MHz, Cascadable
SiGe HBT MMIC Amplifier
Product Features
High Gain : 14.9 dB at 1950 MHz
Cascadable 50 Ohm
Patented SiGe Technology
Operates From Single Supply
Low Thermal Resistance Package
Applications
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
Sirenza Microdevices SGA-5386 is a high performance SiGe
HBT MMIC Amplifier. A Darlington configuration featuring 1
micron emitters provides high F
T
and excellent thermal
perfomance. The heterojunction increases breakdown
voltage and minimizes leakage current between junctions.
Cancellation of emitter junction non-linearities results in higher
suppression of intermodulation products. At 850 Mhz and
60mA , the SGA-5386 typically provides +32.0 dBm output
IP3, 16.6 dB of gain, and +17 dBm of 1dB compressed power
using a single positive voltage supply. Only 2 DC-blocking
capacitors, a bias resistor and an optional RF choke are required
for operation.
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Test Conditions:
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Gain & Return Loss vs. Frequency
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= 60 mA (Typ.)
T
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2
EDS-100611 Rev. B
Preliminary
SGA-5386 DC-5000 MHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
Typical RF Performance at Key Operating Frequencies
Frequency (MHz)
OIP
3
vs. Frequency
V
D
= 3.6 V, I
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= 60 mA (Typ.)
P
1dB
vs. Frequency
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= 3.6 V, I
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= 60 mA (Typ.)
Absolute Maximum Ratings
Noise Figure vs. Frequency
V
D
= 3.6 V, I
D
= 60 mA (Typ.)
Frequency (MHz)
Frequency (MHz)
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S
= 8 V
I
D
= 80 mA Typ.
OIP
3
Tone Spacing = 1 MHz, Pout per tone = 0 dBm
R
BIAS
= 39 Ohms
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= 25C
Z
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= Z
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Frequency (MHz)
Test Conditions:
V
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Tone Spacing = 1 MHz, Pout per tone = 0 dBm
R
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2
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Frequency (GHz)
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2.5
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Frequency (GHz)
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EDS-100611 Rev. B
Preliminary
SGA-5386 DC-5000 MHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
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Mounting Instructions
1. Use a large ground pad area under device pins 2
and 4 with many plated through-holes as shown.
2. We recommend 1 or 2 ounce copper. Measurements
for this data sheet were made on a 31 mil thick FR-4
board with 1 ounce copper on both sides.
Basic Application Circuit
RF in
RF out
1 uF
C
B
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C
D
V
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R
BIAS
L
C
1
2
3
4
1000
pF
SGA-5386
Application Circuit Element Values
Part Number Ordering Information
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The part will be marked with an A53 designator on
the top surface of the package.
Part Identification Marking
1 uF
R
BIAS
A53
1000 pF
Caution: ESD sensitive
Appropriate precautions in handling, packaging
and testing devices must be observed.
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EDS-100611 Rev. B
Preliminary
SGA-5386 DC-5000 MHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
PCB Pad Layout
Dimensions in inches [millimeters]
Nominal Package Dimensions
Dimensions in inches [millimeters]
Refer to drawing posted at www.sirenza.com for tolerances.
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