3

MRF247

MOTOROLA RF DEVICE DATA

Figure 4. Output Power versus Supply Voltage

Figure 5. Output Power versus Supply Voltage

Figure 6. Output Power versus Supply Voltage

Figure 7. Series Equivalent Impedances

40

120

VCC, SUPPLY VOLTAGE (VOLTS)

100

80

60

9

10

11

1213

141516

17

40

120

VCC, SUPPLY VOLTAGE (VOLTS)

100

80

60

9

10

11

1213

141516

17

40

120

VCC, SUPPLY VOLTAGE (VOLTS)

100

80

60

910

11

12

13

14

15

16

17

Pin = 12 W

Pin = 12 W

Pin = 12 W

10 W

8 W

f = 136 MHz

10 W

8 W

f = 150 MHz

10 W

8 W

f = 175 MHz

ZOL*

Zin

f = 136 MHz

175

150

175

ZOL* = Conjugate of the optimum load

VCC = 12.5 V, Pout = 75 W

f

MHz

Zin

Ohms

ZOL*

Ohms

136

150

175

0.57 + j1.07

0.55 + j1.13

0.57 + j1.92

1.13 + j0.65

1.13 + j0.73

0.87 + j1.13

1.0

0

+J1.0

2.0

3.0

4.0

5.0

6.0

+J2.0

+J3.0

f = 136 MHz

150