SD2943 Datasheet, PDF (7/14 Pages) STMicroelectronics – RF Power Transistor HF/VHF/UHF N - Channel MOSFETs

SD2943
3 Typical Performance
Figure 6. Pout Vs Input Power & Drain Voltage Figure 7. Pout Vs Input Power & Case Temp.
500
450
400
Vdd = 50 V
350
300
Vdd = 40 V
250
200
150
100
50
Freq = 30 MHz
Idq = 250 mA
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Pin (W)
500
450
400
350
300
250
200
150
100
50
0
0.0
Tc = -20 ºC
0.5 1.0 1.5
Tc = +25 ºC
Tc = +80 ºC
Freq = 30 MHz
Vdd = 50 V
Idq = 250 mA
2.0 2.5 3.0 3.5 4.0 4.5
Pin (W)
Table 7. Efficiency Vs Pout
Figure 8. Power Gain Vs Pout & Case Temp.
80
70
Tc = +25 ºC
60
50
40
30
20
10
0
0
Freq = 30 MHz
Vdd = 50 V
Idq = 250 mA
50 100 150 200 250 300 350 400 450 500
Pout (W)
30
28
Tc = +25 ºC
26
24
Tc = -20 ºC
22
Tc = +80 ºC
20
18
16
14
0
Freq = 30 MHz
Vdd = 50 V
Idq = 250 mA
50 100 150 200 250 300 350 400 450 500
Pout (W)
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