SGA-3286-TR2 Просмотр технического описания (PDF) - Stanford Microdevices
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SGA-3286-TR2 Datasheet PDF : 7 Pages
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Product Description
Stanford Microdevices’ SGA-3286 is a high performance
cascadeable 50-ohm amplifier designed for operation at
voltages as low as 2.7V. This RFIC uses the latest Silicon
Germanium Heterostructure Bipolar Transistor (SiGe HBT)
process featuring 1 micron emitters with FT up to 65 GHz.
Preliminary
SGA-3286
DC-3600 MHz Silicon Germanium
HBT Cascadeable Gain Block
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-3286 requires only DC
blocking and bypass capacitors for external components.
24
18
dB 1 2
Small Signal Gain vs. Frequency
Product Features
• DC-3600 MHz Operation
• Single Voltage Supply
• High Output Intercept: +25.5dBm typ. at
850 MHz
• Low Current Draw: 35mA at 2.7V typ.
• Low Noise Figure: 3.7dB typ. at 850 MHz
6
0
Frequency MHz
Applications
• Oscillator Amplifiers
• Cordless Phones
• IF/ RF Buffer Amplifier
• Drivers for CATV Amplifiers
Symbol
P1dB
Parameters: Test Conditions:
Z0 = 50 Ohms, Id = 35 mA, T = 25ºC
Output Power at 1dB Compression
f = 850 MHz
f = 1950 MHz
Units
dBm
dBm
Min.
Typ.
Max.
12.2
11.3
S21
Small Signal Gain
f = DC - 1000 MHz
f = 1000 - 2000 MHz
f = 2000 - 3600 MHz
dB
13.0
14.3
dB
12.9
dB
10.0
S12
Reverse Isolation
S11
Input VSWR
f = DC - 3600 MHz
dB
f = DC-2000 MHz
f = 2000 - 3600 MHz
-
18.9
1.30:1
1.67:1
S22
Output VSWR
IP3
Third Order Intercept Point
f = DC-3600 MHz
f = 850 MHz
f = 1950 MHz
-
dBm
dBm
1.17:1
25.5
24.8
NF
Noise Figure
f = DC - 1000 MHz
dB
3.7
f = 1000 - 2400 MHz
dB
4.3
TD
Group Delay
VD
Device Voltage
f = 1000 MHz
pS
119.0
V
2.4
2.7
3.0
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
EDS-100631 Rev A
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