BLF543 datasheet(12/14 Pages) PHILIPS

12 / 14 page

October 1992

Philips Semiconductors

Product speciﬁcation

UHF power MOS transistor

BLF543

Fig.14 Input impedance as a function of frequency

(series components), typical values.

Class-B operation; VDS = 28 V; IDQ = 20 mA;

PL = 10 W.

handbook, halfpage

200

400

600

−20

−30

−10

MDA492

(

Ω)

f (MHz)

Fig.15 Load impedance as a function of frequency

(series components), typical values.

Class-B operation; VDS = 28 V; IDQ = 20 mA;

PL = 10 W.

handbook, halfpage

200

400

600

MDA494

(

Ω)

f (MHz)

Fig.16 Power gain as a function of frequency,

typical values.

Class-B operation; VDS = 28 V; IDQ = 20 mA;

PL = 10 W.

handbook, halfpage

200

(dB)

f (MHz)

400

600

MDA493

Optimum input and load impedances

Optimum input impedance: 2.3

+ j9.5 Ω.

Optimum load impedance: 4.3

+ j8.6 Ω.

Conditions: class-B operation; VDS = 24 V;

IDQ = 20 mA; f = 960 MHz; PL = 7.5 W; typical values.

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