PMBTH81 datasheet(4/7 Pages) PHILIPS

4 / 7 page

September 1995

Philips Semiconductors

Product speciﬁcation

PNP 1 GHz switching transistor

PMBTH81

Fig.2 Common base input admittance (Y11).

VCB = 10 V; Tamb =25 °C.

handbook, halfpage

−20

140

−30

−50

−90

−110

−70

100

MRA568

b11

(mS)

g11 (mS)

930 MHz

450 MHz

250 MHz

100 MHz

IC = 4 mA

12 mA

8 mA

Fig.3 Forward transfer admittance (Y21).

VCB = 10 V; Tamb =25 °C.

handbook, halfpage

−120

120

−80

−40

MRA566

b21

(mS)

g21 (mS)

450 MHz

930

MHz

250 MHz

100 MHz

8 mA

IC =

12 mA

4 mA

Fig.4 Reverse transfer admittance (Y12).

VCB = 10 V; Tamb =25 °C.

handbook, halfpage

−2.5

−20

−2

−6

−8

−4

b12

(mS)

g12 (mS)

−1.5

−1

−0.5

MRA570

930 MHz

450 MHz

250 MHz

100 MHz

IC = 12 mA

8 mA

4 mA

Fig.5 Common base output admittance (Y22).

VCB = 10 V; Tamb =25 °C.

handbook, halfpage

MRA569

b22

(mS)

g22 (mS)

930 MHz

450 MHz

8 mA

12 mA

IC = 4 mA

250 MHz

100 MHz

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