START499D Datasheet, PDF (8/18 Pages) STMicroelectronics – NPN RF silicon transistor

Typical performance
START499D
Figure 10. Input return loss vs frequency
0
-2
Vcc = 3.6V
Icq = 30mA
-4
Pout = 28dBm
-6
-8
-10
-12
Figure 11. Gain vs output power
20
18
860MHz
910MHz
960MHz
16
14
12
Vcc = 3.6V
Icq = 30mA
10
-14
800 820 840 860 880 900 920 940 960 980 1000
Frequency [MHz]
8
22 23 24 25 26 27 28 29 30
Output Power [dBm]
Figure 12. Efficiency vs output power
Figure 13. Gain vs output power
70
65
60
860MHz
910MHz
55
960MHz
50
45
40
35
Vcc = 3.6V
Icq = 30mA
30
25
22
23
24
25
26
27
28
29
30
Output Pow er [dBm]
18
Vcc = 3 V
Icq = 30mA
17
16
15
14
860MHz
910MHz
960MHz
13
12
21
22
23
24
25
26
27
28
Output Pow er [dBm]
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Doc ID 14496 Rev 4