14

RF Device Data

Freescale Semiconductor, Inc.

MRFE6VP61K25HR6 MRFE6VP61K25HSR5 MRFE6VP61K25GSR5

TYPICAL CHARACTERISTICS — 144--148 MHz REFERENCE CIRCUIT

f

MHz





144

1.6 + j5.0

3.9 + j1.5

gate to gate, balanced configuration.

= Test circuit impedance as measured from

drain to drain, balanced configuration.

Figure 19. Series Equivalent 144--148 MHz Reference Circuit Source and Load Impedance

Input

Matching

Network

Device

Under

Test

Output

Matching

Network

--

--

+

+

50 

50 

31

20

90

50

28

70

50

Figure 20. Power Gain and Drain Efficiency

versus Output Power

26

24

2000

25

40

60

80

27

29

1000

30

100

30

1

Figure 21. Intermodulation Distortion Products

versus Output Power

--100

0

--20

--50

--60

--70

--80

--90

--30

--40

10

1000

--20

100

2000

f1 = 143.9 MHz, f2 = 144.1 MHz

Two--Tone Measurement

3rd Order

3rd Order

7th Order

7th Order

5th Order

4500 mA

4500 mA