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SGA-5486

Datasheet SGA-5486 Datasheet (Stanford Microdevices)

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Page 1
Product Description
Stanford Microdevices’ SGA-5486 is a high performance cascadeable 50-ohm amplifier designed for operation at voltages as low as 3.5V. This RFIC uses the latest Silicon Germanium Heterostructure Bipolar Transistor (SiGe HBT) process featuring 1 micron emitters with FT up to 65 GHz.
This circuit uses a darlington pair topology with resistive feedback for broadband performance as well as stability over its entire temperature range. Internally matched to 50 ohm impedance, the SGA-5486 requires only DC blocking and bypass capacitors for external components.
Small Signal Gain vs. Frequency
dB
24
18
12
Preliminary
SGA-5486
DC-2400 MHz Silicon Germanium HBT Cascadeable Gain Block
Product Features
• DC-2400 MHz Operation
• Single Voltage Supply
• High Output Intercept: +32.0dBm typ. at 850 MHz
• Low Current Draw: 60mA at 3.5V typ.
• Low Noise Figure: 3.0dB typ. at 850 MHz
6
0
100
500
900
1900
2400
3500
Frequency MHz
Applications
• Oscillator Amplifiers
• PA for Low Power Applications
5000
• IF/ RF Buffer Amplifier
• Drivers for CATV Amplifiers
Electrical Specifications at Ta = 25C
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The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
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0.32
0.81
0.23
0.82
0.3
5.3
Page 2
Preliminary
Preliminary
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
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9.22
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Bd Bd
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The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
Page 3
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
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Application Schematic for +5V Operation at 900 MHz
Preliminary
Preliminary
1uF
68pF
25 ohms
33nH
50 ohm
microstrip
2
50 ohm
microstrip
1
3
100pF
4
100pF
Application Schematic for +5V Operation at 1900 MHz
50 ohm
microstrip
68pF
1uF
22pF
2
1
3
4
22nH
68pF
25 ohms
50 ohm
microstrip
VCC=+5V
VCC=+5V
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
Page 4
Preliminary
Preliminary
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
dB
dB
24
18
12
-10
-20
-30
-40
S21, Id =60mA, T=+25C
S12, Id =60mA, T=+25C
0
-10
dB
-20
6
0
100
500
900
1900
2400
3500
Frequency MHz
5000
S11, Id =60mA, T=+25C
0
-30
-40
100
500
900
1900
2400
3500
Frequency MHz
5000
S22, Id =60mA, T=+25C
0
-10
dB
-20
-30
-40
100
500
100
500
Frequency MHz
900
1900
2400
3500
5000
900
Frequency MHz
1900
2400
3500
5000
S11, Id=60mA, Ta=25C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
S22, Id=60mA, Ta=25C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
Page 5
Preliminary
Preliminary
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
dB
dB
24
18
12
-10
-20
-30
-40
S21, Id =60mA, T=-40C
S12, Id =60mA, T=-40C
0
-10
-20
dB
6
0
100
500
900
1900
2400
3500
Frequency MHz
S11, Id =60mA, T=-40C
5000
0
-30
-40
100
500
900
1900
2400
3500
Frequency MHz
S22, Id =60mA, T=-40C
5000
0
-10
-20
dB
-30
-40
100
500
900
1900
Frequency MHz
2400
3500
5000
100
500
900
Frequency MHz
1900
2400
3500
5000
S11, Id=60mA, Ta= -40C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
S22, Id=60mA, Ta= -40C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
Page 6
Preliminary
Preliminary
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
dB
dB
24
18
12
-10
-20
-30
-40
S21, Id =60mA, T=85C
S12, Id =60mA, T=85C
0
-10
-20
dB
6
0
100
500
900
1900
2400
3500
Frequency MHz
S11, Id =60mA, T=85C
5000
0
-30
-40
100
500
900
1900
2400
3500
Frequency MHz
S22, Id =60mA, T=85C
5000
0
-10
dB
-20
-30
-40
100
500
900
Frequency MHz
1900
2400
3500
5000
100
500
900
Frequency MHz
1900
2400
3500
5000
S11, Id=60mA, Ta=85C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
S22, Id=60mA, Ta=85C
Freq. Min = 0.1 GHz Freq. Max = 2.4 GHz
Page 7
Preliminary
Preliminary
SGA-5486 DC-2400 MHz 3.5V SiGe Amplifier
Absolute Maximum Ratings
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Caution:
Operation of this device above any one of these parameters may cause permanent damage. Appropriate precautions in handling, packaging and testing devices must be observed.
Thermal Resistance (Lead-Junction): 97° C/W
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Package Dimensions
Part Number Ordering Information
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For 7.5V operation or higher, a resistor with a power handling capability of 1/2W or greater is recommended.
PCB Pad Layout
The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions. Stanford 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. Stanford Microdevices does not authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems. Copyright 1999 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94086 Phone: (800) SMI-MMIC http://www.stanfordmicro.com
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