START499D Datasheet, PDF (9/18 Pages) STMicroelectronics – NPN RF silicon transistor

START499D
Typical performance
Figure 14. Efficiency vs output power
70
65
60
55
50
45
40
35
30
25
21
860MHz
910MHz
960MHz
Vcc = 3 V
Icq = 30mA
22
23
24
25
26
27
Output Pow er [dBm]
Figure 15. Gain vs output power
18
17
860MHz
910MHz
960MHz
16
15
14
Vcc = 2 V
Icq = 30mA
13
12
28
16
17
18
19
20
21
22
23
24
Output Pow er [dBm]
Figure 16. Efficiency vs output power
70
65
860MHz
60
910MHz
960MHz
55
50
45
40
35
Vcc = 2 V
Icq = 30mA
30
25
16
17
18
19
20
21
22
23
24
Output Pow er [dBm]
Doc ID 14496 Rev 4
9/18