MRF148 Просмотр технического описания (PDF) - Motorola => Freescale
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MRF148 Datasheet PDF : 6 Pages
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2
1
VDS = 10 V
gfs = 1.2 mho
00
12
34
56
7 8 9 10
VGS, GATE–SOURCE VOLTAGE (VOLTS)
Figure 7. Gate Voltage versus Drain Current
10
7
5
3
2
TC = 25°C
1
0.7
0.5
0.3
0.2
0.10.2
0.4 0.7 1 2 4 7 10 20 40 70 100 200
VDS, DRAIN–SOURCE VOLTAGE (VOLTS)
Figure 8. DC Safe Operating Area (SOA)
MRF148
4
175
150
50
30
175
ZOL*
15 f = 2.0 MHz
7.0 Zin
4.0
f = 2.0 MHz
VDD = 50 V
IDQ = 100 mA
Pout = 30 W PEP
Gate Shunted By 100 Ω
ZOL* = Conjugate of the optimum load impedance
ZOL* = into which the device output operates at a
ZOL* = given output power, voltage and frequency.
Figure 9. Impedance Coordinates — 50 Ohm
Characteristic Impedance
MOTOROLA RF DEVICE DATA
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