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SCA-14 PDF预览

SCA-14

更新时间: 2022-04-23 23:00:11
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STANFORD 放大器
页数 文件大小 规格书
6页 449K
描述
DC-4 GHz, Cascadable GaAs HBT MMIC Amplifier

SCA-14 数据手册

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Product Description  
SCA-14  
Stanford Microdevices’ SCA-14 is a high performance Gallium  
Arsenide Heterojunction Bipolar Transistor MMIC Amplifier. A  
Darlington configuration is utilized for broadband performance  
up to 4 GHz. The heterojunction increases breakdown voltage  
and minimizes leakage current between junctions. Cancellation  
of emitter junction non-linearities results in higher suppression of  
intermodulation products. Typical IP3 at 850 MHz with 65mAis  
33.2 dBm.  
DC-4 GHz, Cascadable  
GaAs HBT MMIC Amplifier  
NGA-589 Recommended for New Designs  
These unconditionally stable amplifiers provide 20 dB of gain  
and 17.7 dBm of 1dB compressed power and require only a  
single positive voltage supply. Only 2 DC-blocking capacitors,  
a bias resistor and an optional inductor are needed for  
operation. This MMIC is an ideal choice for wireless applica-  
tions such as cellular, PCS, CDPD, wireless data and SONET.  
Product Features  
Small Signal Gain vs. Frequency @ ID=65mA  
25  
•High Output IP3: 33.2 dBm @ 850 MHz  
• Cascadable 50 Ohm Gain Block  
• Patented GaAs HBT Technology  
• Operates From Single Supply  
20  
15  
dB  
10  
5
0
Applications  
0
1
2
3
4
5
6
• Cellular, PCS, CDPD, Wireless Data, SONET  
Frequency GHz  
Electrical Specifications  
Parameters: Test Conditions:  
Z0 = 50 Ohms, ID = 65mA, T = 25°C  
Symbol  
Units  
Min.  
Typ.  
Max.  
f = 850 MHz  
f = 1950 MHz  
f = 2400 MHz  
dBm  
dBm  
dBm  
17.7  
18.1  
18.1  
Output Power at 1dB Compression  
P1dB  
f = 850 MHz  
f = 1950 MHz  
f = 2400 MHz  
dBm  
dBm  
dBm  
33.2  
31.1  
30.7  
Third Order Intercept Point  
Power out per tone = 0 dBm  
IP3  
f = 850 MHz  
f = 1950 MHz  
f = 2400 MHz  
dB  
dB  
dB  
18  
20.0  
19.0  
18.6  
Small Signal Gain  
S21  
Bandwidth (Determined by S11, S22 Values)  
MHz  
4000  
1.4:1  
1.8:1  
S11  
S22  
Input VSWR  
f = DC-4000 MHz  
f = DC-4000 MHz  
-
-
Output VSWR  
f = 850 MHz  
f = 1950 MHz  
f = 2400 MHz  
dB  
dB  
dB  
22.7  
22.5  
22.2  
Reverse Isolation  
S12  
NF  
Noise Figure, ZS = 50 Ohms  
Device Voltage  
f = 1950 MHz  
dB  
V
4.0  
4.8  
224  
4.3  
5.3  
VD  
Rth,j-l  
Thermal Resistance (junction - lead)  
o C/W  
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-101395 Rev A  

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