BLF888_4

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© NXP B.V. 2010. All rights reserved.

Product data sheet

Rev. 04 — 29 April 2010

6 of 17

NXP Semiconductors

BLF888

UHF power LDMOS transistor

7.1.2 DVB-T

7.2 Broadband RF figures

7.2.1 2-Tone

narrowband 860 MHz test circuit.

narrowband 860 MHz test circuit.

Fig 4.

DVB-T power gain and intermodulation

distortion shoulder as function of load power;

typical values

Fig 5.

DVB-T peak-to-average ratio and drain

efficiency as function of load power;

typical values

0

100

200

300

350

250

150

50

001aak643

(dB)

14

18

22

10

16

20

12

(dBc)

−40

−20

0

−60

−30

−10

−50

0

100

200

300

350

250

150

50

001aak644

PAR

(dB)

4

8

12

0

6

10

2

(%)

−10

30

70

−50

10

50

−30

PAR

common source broadband test circuit as described in

Section 8.

common source broadband test circuit as described in

Section 8.

Fig 6.

2-Tone power gain and drain efficiency as

function of frequency; typical values

Fig 7.

2-Tone power gain and third order

intermodulation distortion as function of

frequency; typical values

f (MHz)

400

900

800

600

700

500

001aak645

16

12

20

24

14

10

18

22

(dB)

8

(%)

40

30

50

60

35

25

45

55

20

f (MHz)

400

900

800

600

700

500

001aak646

16

12

20

24

14

10

18

22

(dB)

8

IMD3

(dBc)

−30

−40

−20

−10

−35

−45

−25

−15

−50

IMD3