AN1224 Datasheet, PDF (7/10 Pages) STMicroelectronics – Evaluation board using SD57045 LDMOS RF transistor for FM broadcast application

AN1224
Characterization results
Figure 4. Drain current vs. gate-source voltage
4
3.5
3
2.5
2
1.5
1
0.5
0
2.5
3
3.5
4
4.5
5
VGS, GATE-SOURCE VOLTAGE (VOLTS)
Figure 5. Gate-source voltage vs. case temperature
1.04
1.02
1
0.98
0.96
-25
Id=3A
Id=2A
Id=1.5A
Id=1A
Id=250mA
0
25
50
75
Tcase, CASE TEMPERATURE (˚C)
7/10