HMC478ST89 Datasheet, PDF (2/6 Pages) Hittite Microwave Corporation – SiGe HBT GAIN BLOCK MMIC AMPLIFIER, DC - 4.0 GHz

v02.1205
Broadband Gain & Return Loss
30
25
20
15
10
S21
5
S11
0
S22
-5
-10
-15
-20
-25
-30
0
1
2
3
4
5
6
7
8
FREQUENCY (GHz)
Input Return Loss vs. Temperature
0
-5
-10
-15
+25C
-20
+85C
-40C
-25
-30
0
1
2
3
4
5
FREQUENCY (GHz)
Reverse Isolation vs. Temperature
0
-5
-10
+25C
+85C
-15
-40C
-20
-25
-30
0
1
2
3
4
5
FREQUENCY (GHz)
HMC478ST89 / 478ST89E
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 4.0 GHz
Gain vs. Temperature
30
28
26
24
22
20
18
16
14
12
10
+25C
8
+85C
6
-40C
4
2
0
0
1
2
3
4
5
FREQUENCY (GHz)
5
Output Return Loss vs. Temperature
0
+25C
-5
+85C
-40C
-10
-15
-20
0
1
2
3
4
5
FREQUENCY (GHz)
Noise Figure vs. Temperature
10
9
8
+25C
+85C
7
-40C
6
5
4
3
2
1
0
0
1
2
3
4
5
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com
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