SCA-7 STANFORD [Stanford Microdevices], SCA-7 Datasheet
SCA-7
Manufacturer Part Number
SCA-7
Description
DC-3 GHz, Cascadable GaAs HBT MMIC Amplifier
Manufacturer
STANFORD [Stanford Microdevices]
Datasheet
1.SCA-7.pdf
(3 pages)
Product Description
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
Stanford Microdevices’ SCA-7 is a high performance Gallium
Arsenide Hetrojunction Bipolar Transistor MMIC Amplifier. A
Darlington configuration is utilized for broadband perfor-
mance up to 3 GHz. The heterojunction increases break-
down voltage and minimizes leakage current between
junctions. Cancellation of emitter junction non-linearities
results in higher suppression of intermodulation products.
Typical IP3 at 40mA is +24dBm.
These unconditionally stable amplifiers provides 21dB of gain
and +12dBm of 1dB compressed power and requires 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 applications such
as cellular, PCS, CDPD, wireless data and SONET.
Electrical Specifications at Ta = 25C
S y m b o l
d G /d T
d V /d T
IS O L
P
N F
IP
V D
G
G
T
1 d B
D
P
F
3
dBm
P a r a m e t e r s : T e s t C o n d i t i o n s :
I d = 4 0 m A , Z
P o w e r G a in
G a in F la tn e s s
G a in F la tn e s s o v e r a n y 1 0 0 M H z b a n d
O u tp u t P o w e r a t 1 d B C o m p r e s s io n :
N o is e F ig u r e
T h ir d O r d e r In te r c e p t P o in t
O u tp u t To n e @ 0 d B m 1 0 M H z A p a r t
G r o u p D e la y
R e v e r s e Is o la tio n
D e v ic e V o lta g e
D e v ic e G a in Te m p e r a tu r e C o e ff ic ie n t
D e v ic e V o lta g e Te m p e r a tu r e C o e ffic ie n t
30
28
26
24
22
20
0.1
Output IP3 vs. Frequency
1
0
= 5 0 O h m s
GHz
2
Phone: (800) SMI-MMIC
3
5-125
f = 0 .1 - 2 .0 G H z
f = 2 .0 - 3 .0 G H z
f = 0 .1 - 2 .0 G H z
f = 0 .1 - 2 .0 G H z
f = 0 .1 - 3 .0 G H z
f = 0 .1 - 2 .0 G H z
f = 1 .9 G H z
f = 0 .1 - 3 .0 G H z
SCA-7
DC-3 GHz, Cascadable
GaAs HBT MMIC Amplifier
Product Features
•
•
•
•
•
•
Applications
•
•
High Output IP3 : +24dBm
Operates From Single Supply
High Gain : Up to 21dB
Patented GaAs HBT Technology
Cellular, PCS, CDPD
Cascadable 50 Ohm : 1.5:1 VSWR
Wireless Data, SONET
Low Thermal Resistance Package
m V /d e g C
d B /d e g C
U n i t s
d B m
d B m
p s e c
d B
d B
d B
d B
d B
d B
V
M i n .
2 3 .0
http://www.stanfordmicro.com
3 .5
1 8
+ /- 1 . 2
+ /- 0 . 1
- 0 .0 0 3
T y p .
1 2 .0
2 4 .0
1 0 0
- 4 .0
3 .8
4 .0
2 0
1 8
2 2
M a x .
4 .5
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SCA-7 Summary of contents
Page 1
... Product Description Stanford Microdevices’ SCA high performance Gallium Arsenide Hetrojunction Bipolar Transistor MMIC Amplifier. A Darlington configuration is utilized for broadband perfor- mance GHz. The heterojunction increases break- down voltage and minimizes leakage current between junctions. Cancellation of emitter junction non-linearities results in higher suppression of intermodulation products ...
Page 2
... SCA-7 DC-3 GHz Cascadable MMIC Amplifier Typical Performance (Vds = 4.0V, Ids = 40mA) |S11| vs. Frequency -10 -15 -20 0 GHz |S12| vs. Frequency -20 -22 -24 dB -26 -28 -30 0 GHz dBm Typical S-Parameters Vds = 4.0V 40mA Freq GHz |S11| S11 Ang 0.338 117 .100 .500 0.322 112 ...
Page 3
... Thermal resistance from ground lead to screws is 2 deg. C/W. 522 Almanor Ave., Sunnyvale, CA 94086 SCA-7 DC-3 GHz Cascadable MMIC Amplifier Thermal Resistance (Lead-Junction): 412 C/W 20V 400 SCA-7 Phone: (800) SMI-MMIC 5-127 MTTF vs ...