HMC479ST89 / 479ST89E
v02.0710
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5 GHz
Broadband Gain & Return Loss
Gain vs.Temperature
25
20
15
10
5
20
18
16
14
12
10
8
0
S21
S11
S22
-5
-10
-15
-20
-25
-30
-35
-40
8
6
4
2
0
+25C
+85C
-40C
0
1
2
3
4
5
6
7
8
6
6
0
1
2
3
4
5
6
6
6
FREQUENCY (GHz)
FREQUENCY (GHz)
Input Return Loss vs.Temperature
Output Return Loss vs.Temperature
0
0
-5
+25C
-5
+85C
-40C
-10
+25C
-10
-15
-20
-25
-30
+85C
-40C
-15
-20
-25
-30
-35
-40
0
1
2
3
4
5
0
1
2
3
4
5
FREQUENCY (GHz)
FREQUENCY (GHz)
Reverse Isolation vs.Temperature
Noise Figure vs.Temperature
0
10
9
+25C
+85C
-40C
-5
-10
-15
-20
-25
8
7
6
5
4
3
2
1
0
+25C
+85C
-40C
1
2
3
4
5
0
1
2
3
4
5
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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