
Product Description
Sirenza Microdevices’ SGA-3586 is a high performance SiGe
HBT MMIC Amplifier. A Darlington configuration featuring 1
micron emitters provides high F
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 35mA , the SGA-
3586 typically provides +25 dBm output IP3, 25dB of gain,
and +13.5 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.
Gain & Return Loss vs. Frequency
V
D
= 3.3 V, I
D
= 35 mA (Typ.)
Preliminary
1
EDS-101382 Rev C
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 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 2001 Sirenza Microdevices, Inc..
All worldwide rights reserved.
SGA-3586
DC-5000 MHz Silicon Germanium
Cascadeable Gain Block
Product Features
DC-5000 MHz Operation
Single Voltage Supply
High Gain: 25 dB typ. at 850 MHz
Low Current Draw: 35mA at 3.3V typ.
Low Noise Figure: 2.5 dB typ. at 1950 MHz
Applications
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
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Test Conditions:
V
S
= 5 V
R
BIAS
= 130 Ohms
I
D
= 35 mA Typ.
T
L
= 25oC
OIP
3
Tone Spacing = 1 MHz, Pout per tone = -5 dBm
Z
S
= Z
L
= 50 Ohms
0
8
16
24
32
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1
2
3
4
5
6
Frequency (GHz)
G
-40
-30
-20
-10
0
R
GAIN
IRL
ORL