Preliminary
Preliminary
Product Description
SGA-5263
Stanford Microdevices SGA-5263 is a high performance
cascadeable 50-ohm amplifier designed for operation at
voltages as low as 3.4V. This RFIC uses the latest Silicon
Germanium Heterostructure Bipolar Transistor (SiGe HBT)
process featuring 1 micron emitters with FT up to 50 GHz.
DC-4500 MHz, Silicon Germanium
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-5263 requires only DC blocking and
bypass capacitors for external components.
Product Features
DC-4500 MHz Operation
Small Signal Gain vs. Frequency
15
Single Voltage Supply
Low Current Draw: 60mA at 3.4V typ.
High Output Intercept: 29 dBm typ. at 1950MHz
10
5
Applications
25C
-40C
85C
Oscillator Amplifiers
Broadband Gain Blocks
IF/RF Buffer Amplifiers
0
0.1
1
1.9
2.8
3.7
4.6
5.5
Frequency GHz
Parameters: Test Conditions:
Symbol
Units
Min.
Typ.
Max.
Z0 = 50 Ohms, ID = 60 mA, T = 25ºC
f = 850 MHz
f = 1950 MHz
f = 2400 MHz
dBm
dBm
dBm
16.3
15.0
14.0
Output Power at 1dB Compression
P1dB
f = 850 MHz
f = 1950 MHz
f = 2400 MHz
dBm
dBm
dBm
32.5
29.3
27.3
Third Order Intercept Point
Power out per tone = -10 dBm
IP3
f = 850 MHz
f = 1950 MHz
f = 2400 MHz
dB
dB
dB
13.3
12.6
12.3
Small Signal Gain
S21
Bandwidth
S11
S
11, S22: Minimum 10db Return Loss (typ.)
MHz
4500
1.2:1
1.4:1
Input VSWR
f = 1950 MHz
f = 1950 MHz
-
-
Output VSWR
S22
f = 850 MHz
f = 1950 MHz
f = 2400 MHz
dB
dB
dB
18.3
19.2
19.5
Reverse Isolation
S12
NF
VD
Noise Figure
f = 1950 MHz
dB
V
4.0
3.4
Device Voltage
Thermal Resistance (junction - lead)
ºC/W
255
Rth, j-l
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 users 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
http://www.stanfordmicro.com
1
EDS-101540 Rev A