The SGA6586Z is a high performance SiGe HBT MMIC Amplifier. A Darling-
ton configuration featuring one-micron emitters provides high F
T
and
excellent thermal performance. The heterojunction increases breakdown
voltage and minimizes leakage current between junctions. Cancellation of
emitter junction non-linearities results in higher suppression of intermodu-
lation products. Only two DC-blocking capacitors, a bias resistor, and an
optional RF choke are required for operation.
Optimum Technology
Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
24
32
Gain & Return Loss vs. Freq. @T
L
=+25°C
GAIN
Features
High Gain: 18.4dB at
1950MHz
Cascadable 50Ω
Operates from Single Supply
Low Thermal Resistance
Package
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
Applications
0
-10
IRL
ORL
Return Loss (dB)
SiGe BiCMOS
Si BiCMOS
Gain (dB)
16
-20
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MEMS
8
0
0
1
2
3
Frequency (GHz)
4
5
-30
-40
Parameter
Small Signal Gain
Min.
Specification
Typ.
23.8
18.4
16.7
21.5
19.0
33.8
32.2
2500
Max.
Unit
dB
dB
dB
dBm
dBm
dBm
dBm
MHz
850MHz
1950MHz
2400MHz
850MHz
1950MHz
850MHz
1950MHz
>10dB
Condition
Output Power at 1dB Compression
Output Third Intercept Point
Bandwidth Determined by Return
Loss
Input Return Loss
21.4
dB
1950MHz
Output Return Loss
18.0
dB
1950MHz
Noise Figure
3.1
dB
1950MHz
Device Operating Voltage
4.5
4.9
5.3
V
Device Operating Current
72
80
88
mA
Thermal Resistance
97
°C/W
(Junction - Lead)
Test Conditions: V
S
=8V, I
D
=80mA Typ., OIP
3
Tone Spacing=1MHz, P
OUT
per tone=-5dBm, R
BIAS
=39Ω, T
L
=25°C, Z
S
=Z
L
=50Ω
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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