BLF544_2015 datasheet(6/16 Pages) JMNIC

Part #	BLF544_2015

Description	UHF power MOS transistor

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Manufacturer	JMNIC [Quanzhou Jinmei Electronic Co.,Ltd.]

Direct Link	http://www.jmnic.com

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6 / 16 page

1998 Jan 21

6

Philips Semiconductors

Product speciﬁcation

UHF power MOS transistor

BLF544

APPLICATION INFORMATION

Th =25 °C; Rth mb-h = 0.4 K/W unless otherwise speciﬁed.

RF performance in a common source class-B circuit.

Ruggedness in class-B operation

The BLF544 is capable of withstanding a full load mismatch corresponding to VSWR = 50 : 1 through all phases under

the following conditions: VDS = 28 V; f = 500 MHz at rated output power.

MODE OF OPERATION

f

(MHz)

VDS

(V)

IDQ

(mA)

PL

(W)

Gp

(dB)

ηD

(%)

CW, class-B

500

28

40

20

>11

typ. 14

>50

typ. 60

CW, class-B

960

28

40

20

typ. 7

typ. 50

CW, class-B

960

24

40

15

typ. 7

typ. 50

Fig.9

Power gain and efficiency as functions of

load power; typical values.

Class-B operation; VDS = 28 V; IDQ =40mA;

ZL = 4.3 + j6.3 Ω; f = 500 MHz.

handbook, halfpage

10

30

20

0

4

8

12

16

14

18

40

60

80

22

Gp

(dB)

26

MDA512

PL (W)

Gp

ηD

(%)

Fig.10 Load power as a function of input power;

typical values.

Class-B operation; VDS = 28 V; IDQ =40mA;

ZL = 4.3 + j6.3 Ω; f = 500 MHz.

handbook, halfpage

0

30

20

10

0

1

PL

(W)

PIN (W)

23

MDA513

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BLF544_2015 Datasheet(PDF) 6 Page - Quanzhou Jinmei Electronic Co.,Ltd.

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