RFMD’s SBB2089Z is a high performance InGaP HBT MMIC amplifier uti-
lizing a Darlington configuration with an active bias network. The active
bias network provides stable current over temperature and process Beta
variations. Designed to run directly from a 5V supply, the SBB2089Z does
not require a dropping resistor as compared to typical Darlington amplifi-
ers. The SBB2089Z product is designed for high linearity 5V gain block
applications that require small size and minimal external components. It is
internally matched to 50.
Optimum Technology
Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
SiGe BiCMOS
Si BiCMOS
dB
30.0
20.0
10.0
0.0
Features
OIP
3
=42.8dBm at 240MHz
P
1dB
=20.8dBm at 500MHz
Single Fixed 5V Supply
Robust 2000V ESD, Class 2
Patented Thermal Design and
Bias Circuit
Low Thermal Resistance
Receiver IF Amplifier
Cellular, PCS, GSM, UMTS
Wireless Data, Satellite Termi-
nals
Gain and Return Loss versus Frequency
(w/ App. Ckt.)
S21
Applications
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
InP HBT
RF MEMS
LDMOS
-10.0
-20.0
-30.0
-40.0
-50.0
50.0
S22
S11
S11
S21
S22
150.0 250.0 350.0 450.0 550.0 650.0 750.0 850.0
Frequency (MHz)
Parameter
Small Signal Gain
Min.
Specification
Typ.
Max.
Unit
Condition
20.0
dB
70MHz
18.5
20.0
21.5
dB
240MHz
18.5
20.0
21.5
dB
400MHz
Output Power at 1dB Compression
20.0
dBm
70MHz
20.0
dBm
240MHz
18.5
21.0
dBm
400MHz
Third Order Intercept Point
41.0
dBm
70MHz
43.0
dBm
240MHz
39.0
41.0
dBm
400MHz
Return Loss
50 to 850
MHz
Minimum 10dB
Input Return Loss
15.0
20.0
dB
70MHz to 5000MHz
Output Return Loss
11.0
14.0
dB
70MHz to 5000MHz
Noise Figure
2.7
3.7
dB
500MHz
Reverse Isolation
22.0
dB
70MHz to 5000MHz
Thermal Resistance
48.8
°C/W
junction - lead
Device Operating Voltage
5.0
5.3
V
Device Operating Current
82.0
90.0
98.0
mA
Test Conditions: V
D
=5V, I
D
=90mA Typ., OIP
3
Tone Spacing=1MHz, P
OUT
per tone=0dBm, T
L
=25°C, Z
S
=Z
L
=50, Tested with Bias Tees
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
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