SD2931-10_03 ST Microelectronics, Inc., SD2931-10_03 Datasheet - Page 11

• Manufacturer Part Number: SD2931-10_03
• Description: RF Power Transistors Hf/vhf/uhf N-channel Mosfets
• Manufacturer: ST Microelectronics, Inc.

SD2931-10
7
Figure 17. Output power vs input power
Figure 19. Efficiency vs output power
Figure 21. Output power vs gate voltage
70
60
50
40
30
20
10
0
200
150
100
50
250
200
150
100
0
0
50
0
0
0
Typical performance 30 MHz
40
1
0.1
Pout, OUTPUT POWER (W)
VGS GATE-SOURCE VOLTAGE (V)
Pin, INPUT POWER (W)
2
80
0.2
3
120
f = 30 MHz
IDQ = 250 mA
Vdd = 40 V
0.3
Vdd = 50 V
T= +25 °C
4
f = 30 MHz
VDD = 50 V
IDQ = 250 mA
160
VDD = 50 V
IDQ = 250 mA
f = 30 MHz
Pin = Constant
0.4
5
T= +80 °C
T= -20 °C
200
0.5
6
Figure 18. Power gain vs output power
Figure 20. Output power vs supply voltage
200
150
100
50
0
24
30
29
28
27
26
25
24
0
28
40
f = 30 MHz
VDD = 50 V
IDQ = 250 mA
32
Pout, OUTPUT POWER (W)
Typical performance 30 MHz
80
36
VDD(V)
120
40
160
Pin=.31 W
44
f = 30 MHz
IDQ = 250 mA
Pin=.13 W
Pin=.22 W
48
200
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