Stanford Microdevices’ SHF-0189 series is a high performance
GaAs Heterostructure FET housed in a low-cost surface-mount
plastic package. HFET technology improves breakdown voltage
while minimizing Schottky leakage current for higher power added
efficiency and improved linearity.
Output power at 1dB compression for the SHF-0189 is +27
dBm when biased for Class AB operation at 8V and 100mA.
The +39 dBm third order intercept makes it ideal for high dynamic range, high intercept point requirements. They are well
suited for use in both analog and digital wireless communication infrastructure and subscriber equipment including cellular
PCS, CDPD, wireless data, and pagers.
Adequate heat sinking must be provided for this part to avoid
exceeding the maximum junction temperature. Refer to “Mounting and Thermal Considerations” section on page 7 for more
information.
Maximum Available Gain vs. Frequency
Vds = 8.0 volts, Idq = 100 mA
30
25
20
15
(dB)
Max
10
G
5
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Electrical Specifications at Ta = 25
Frequency (GHz)
°°
°C
°°
Preliminary
Preliminary
SHF-0189
DC-3 GHz, 0.5 Watt
GaAs HFET
Product Features
•Patented GaAs Heterostructure FET
Technology
• +27 dBm Output Power at 1dB Compression
• +39 dBm Output IP3
• High Drain Efficiency: Up to 46% at Class AB
• 15 dB Gain at 900 MHz (Application circuit)
• 17 dB Gain at 1900 MHz (Application circuit)
Applications
• Analog and Digital Wireless System
• Cellular PCS, CDPD, Wireless Data, Pagers
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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 94086Phone: (800) SMI-MMIC
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http://www.stanfordmicro.com
1
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93
2.04
EDS-101240 Rev A
Page 2
SHF-0189 DC-3GHz, 0.5 Watt GaAs HFET
Absolute Maximum Ratings
Preliminary
Preliminary
Notes:
1. Operation of this device above any one of these parameters
may cause permanent damage.
NOTE: I/V curves were taken using pulse sampling techniques. This
results in low duty cycle currents through the device and therefore
very low power levels. It is not recommended that these measurements
be taken in d.c. mode, as excessive current could result in damage to
the device.
522 Almanor Ave., Sunnyvale, CA 94086Phone: (800) SMI-MMIC
are calculated based on wavelength of 900 MHz
signal on FR4 board material with dielectric constant of 4.1, microstrip width and height dimensions of W=.054 inch and h= .031 inch.
Test Data @ 0.9 GHz
(dBm) IP3(dBm) Output tone Level (dBm)
P
vs. Pin T=25°C
30
25
20
(dBm)
out
15
P
10
out
80
60
40
20
Efficiency (%)
0
0481216
Pin (dBm)
S11 & S22 vs. Frequency T=25
0
(dB)
22
, S
11
S
-5
-10
-15
-20
S
22
S
11
-25
0.70.80.911.1
522 Almanor Ave., Sunnyvale, CA 94086Phone: (800) SMI-MMIC
Frequency GHz
Note: s-parameters determined using applications circuit shown above
are calculated based on wavelength of 1900 MHz
signal on FR4 board material with dielectric constant of 4.1, microstrip width and height dimensions of W=.054 inch and h= .031 inch.
Test Data @ 1.9 GHz
(dBm) IP3(dBm) Output tone Level (dBm)
°°
°C
°°
80
60
40
20
Efficiency (%)
0
30
25
20
(dBm)
15
out
P
10
P
vs. Pin T=25
out
0481216
Pin (dBm)
°°
°C
°°
(dB)
21
S
0
5
0
5
0
(dB)
22
, S
11
S
-5
-10
-15
-20
-25
S11 & S22 vs. Frequency T=25
0
S
22
S
11
1.51.71.92.12.3
Frequency (GHz)
Note: s-parameters determined using applications circuit shown above
522 Almanor Ave., Sunnyvale, CA 94086Phone: (800) SMI-MMIC
are calculated based on wavelength of 2450 MHz
signal on FR4 board material with dielectric constant of 4.1, microstrip width and height dimensions of W=.054 inch and h= .031 inch.
Test Data @ 2.45 GHz
(dBm) IP3(dBm) Output tone Level (dBm)
°°
°C
°°
80
60
40
Efficiency (%)
20
0
(dBm)
out
P
30
25
20
15
10
P
vs. Pin T=25
out
0481216
Pin (dBm)
S11 & S22 vs. Frequency T=25
0
-10
(dB)
-20
22
, S
S
11
-30
S
11
-40
2.052.252.452.652.85
Frequency (GHz)Frequency (GHz)
522 Almanor Ave., Sunnyvale, CA 94086Phone: (800) SMI-MMIC
Note: s-parameters determined using applications circuit shown above
°°
°CS
°°
0
(dB)
21
S
5
0
5
S
22
0
2.05 2.25 2.45 2.65 2.85
6
Drain Efficiency & ID vs. P
I
D
Drain Efficiency
out
T=25
°°
°C
°°
151821242730
Pout (dBm)
& S12 vs. Frequency T=25
21
S
21
http://www.stanfordmicro.com
°°
°C
°°
S
12
EDS-101240 Rev A
160
140
120
100
80
-2 2
-2 7
-3 2
(mA)
D
I
(dB)
12
S
Page 7
Preliminary
Preliminary
SHF-0189 DC-3GHz, 0.5 Watt GaAs HFET
Caution: ESD sensitive
Appropriate precautions in handling, packaging and
testing devices must be observed.
Mounting and Thermal Considerations:
It is important that adequate heat sinking be provided to avoid
exceeding the maximum device junction temperature. The
following suggestions should be followed to ensure maximum
operating life of the device:
1. Use 2 ounce copper if possible.
2. Use a large ground pad area with many plated throughholes.
3. Multiple vias are required directly below the SOT-89 ground
tab.
4. Solder the copper pad on the backside of the device
package to the ground plane.
5. Use three point board seating with 2-56 machine screws
(no more than 0.2 inch from the device) to provide a low
thermal resistance path to the plate. The thermal resistance
from ground lead to screws is 2 °C/W.
6. We recommend thermal transfer paste be used between
the board and the mounting plate.
Part Number Ordering Information
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Part Symbolization
The part will be symbolized with a “H1” designator
on the top surface of the package.
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Outline Drawing
1
SHF-0189
H1
522 Almanor Ave., Sunnyvale, CA 94086Phone: (800) SMI-MMIC
7
H1
2
3
4
http://www.stanfordmicro.com
EDS-101240 Rev A
Page 8
For 89 Outline
SHF-0189 DC-3GHz, 0.5 Watt GaAs HFET
Component T ape and Reel Packaging
T ape Dimensions
Preliminary
Preliminary
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http://www.stanfordmicro.com
EDS-101240 Rev A
50.0-/+03.0
01.0-/+05.5
01.0-/+00.2
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