SD2931-11 Datasheet, PDF (9/18 Pages) STMicroelectronics – RF power transistors HF/VHF/UHF N-channel MOSFETs

SD2931-11
5
Typical performance 175 MHz
Typical performance 175 MHz
Figure 8. Output power vs input power
Figure 9. Output power vs input power at
different temperatures
270
240
210
180
150
120
90
60
30
0
0
Vdd= 50V
Vdd= 40V
f= 175MHz
Idq= 250mA
5
10
15
20
25
Pin, INPUT POWER (W)
270
240
210
180
150
120
90
60
30
0
0
Tc =-20 °C
Tc =+25 °C
Tc =+80 °C
Vdd= 50V
Idq= 250mA
f= 175MHz
5
10
15
20
25
Pin, INPUT POWER(W)
Figure 10. Power gain vs output power
Figure 11. Efficiency vs output power
18
16
14
12
10
8
6
0
Vdd=50V
Idq=250mA
f=175Mhz
50
100
150
200
Pout, OUTPUT POWER (W)
80
70
60
50
40
30
20
250
0
Vdd=50V
Idq=250mA
f=175Mhz
50
100
150
200
250
Pout, OUTPUT POWER (W)
Figure 12. Output power vs supply voltage
Figure 13. Drain current vs gate-source
voltage
270
240
Pin =10W
210
Pin =5W
180
150
Pin =2.5W
120
90
60
Idq= 250mA
30
f= 175MHz
0
24
28
32
36
40
44
48
52
Vdd,DRAIN VOLTAGE(V)
20
Tc=-20 °C
Tc=+25 °C
15
10
Tc=+80 °C
5
0
2
2.5
3
3.5
4
4.5
5
5.5
6
VGS, GATE-SOURCE VOLTAGE (V)
Doc ID 17329 Rev 1
9/18