SGA-6589 Datasheet, PDF (1/8 Pages) List of Unclassifed Manufacturers – DC 4000 MHZ SILICON GERMANIUM HBT CASCADEABLE GAIN BLOCK

Product Description
Stanford Microdevices’ SGA-6589 is a high performance
cascadeable 50-ohm amplifier. This RFIC uses the latest
Silicon Germanium Heterostructure Bipolar Transistor (SiGe
HBT) process featuring 1 micron emitters with FT up to
50 GHz.
Preliminary
SGA-6589
DC-4000 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-6589 requires only DC blocking
and bypass capacitors for external components.
Small Signal Gain vs. Frequency
30
25
dB ₂₀
15
10
0
1
2
3
4
5
Frequency GHz
Product Features
• DC-4000 MHz Operation
• Single Voltage Supply
• High Output Intercept: +32.5dBm typ. at 850 MHz
• High Output Power : 21.5 dBm typ. at 850 MHz
• High Gain : 25.6 dB typ. at 850 MHz
Applications
• Oscillator Amplifiers
• Final PA for Low Power Applications
• IF/ RF Buffer Amplifier
• Drivers for CATV Amplifiers
Symbol
Parameters: Test Conditions:
Z₀ = 50 Ohms, I_D = 80 mA, T = 25^oC
P_1dB
Output Power at 1dB Compression
f = 850 MHz
f = 1950 MHz
f = 2400 MHz
Units
dBm
dBm
dBm
Min.
Typ.
21.5
19.0
17.8
Max.
IP₃
Third Order Intercept Point
Power out per tone = 0 dBm
f = 850 MHz
dBm
32.5
f = 1950 MHz
dBm
31.6
f = 2400 MHz
dBm
30.3
S₂₁
Small Signal Gain
f = 850 MHz
dB
25.6
f = 1950 MHz
dB
20.5
f = 2400 MHz
dB
18.8
Bandwidth
S₁₁
S₂₂
(Determined by S₁₁, S₂₂ Values)
Input VSWR
Output VSWR
S₁₂
Reverse Isolation
MHz
f = DC-4000 MHz
-
f = DC-4000 MHz
-
f = 850 MHz
dB
f = 1950 MHz
dB
f = 2400 MHz
dB
4000
1.60:1
1.80:1
28.7
24.3
22.9
NF
Noise Figure, Z_S = 50 Ohms
f = 1950 MHz
dB
2.9
V_D
Device Voltage
V
4.8
Rth,j-l
Thermal Resistance (junction - lead)
o _C/W
97
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 2000 Stanford Microdevices, Inc. All worldwide rights reserved.
522 Almanor Ave., Sunnyvale, CA 94085
Phone: (800) SMI-MMIC
1
http://www.stanfordmicro.com
EDS-101268 Rev B