1997 Oct 28

5

Philips Semiconductors

Product specification

NPN 2 GHz wideband transistor

BFR53

Fig.6

Minimum noise figure as a function of

collector current; typical values.

handbook, halfpage

MEA460

0

10

0

30

10

20

F

(dB)

5

40

I

(mA)

C

Fig.7 Circles of constant noise figure; typical values.

handbook, halfpage

020

40

80

0

MEA456

60

G

(mS)

S

B S

(mS)

100

50

−50

F = 5.5 dB

3.3

3.5

4.0

4.5

5.0