The SGA-4263 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
Gain (dB)
16
GAIN
Features
Gain & Return Loss vs. Frequency
V
D
= 3.2 V, I
D
= 45 mA (Typ.)
Available in Lead Free, RoHS
Compliant, and Green Pack-
aging (Z Part Number)
Broadband Operation: DC to
3500MHz
Cascadable 50
Operates from Single Supply
Low Thermal Resistance
Package
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
0
-10
ORL
IRL
Applications
Return Loss (dB)
12
8
4
0
0
1
2
3
4
Frequency (GHz)
5
6
SiGe BiCMOS
Si BiCMOS
-20
-30
-40
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MEMS
Parameter
Small Signal Gain
Min.
12.5
Specification
Typ.
14.0
12.7
12.4
14.2
12.5
29.3
25.7
3500
Max.
15.5
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
31.3
dB
1950MHz
Output Return Loss
13.8
dB
1950MHz
Noise Figure
3.7
dB
1950MHz
Device Operating Voltage
2.9
3.2
3.5
V
Device Operating Current
41
45
49
mA
Thermal Resistance
255
°C/W
(Junction - Lead)
Test Conditions: V
S
=8V, I
D
=45mA Typ., OIP
3
Tone Spacing=1MHz, P
OUT
per tone=-5dBm, R
BIAS
=110, T
L
=25°C, Z
S
=Z
L
=50
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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Microcontroller MCU
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