NXP Semiconductors

Product specification

NPN 5 GHz wideband transistor

BFG92A/X

Fig.10 Minimum noise figure as a function of

collector current; typical values.

handbook, halfpage

4

2

1

0

MCD081

10

1

3

F

(dB)

I

(mA)

C

f = 2 GHz

1 GHz

500 MHz

Fig.11 Minimum noise figure as a function of

frequency; typical values.

handbook, halfpage

4

2

1

0

MCD082

3

F

(dB)

f (MHz)

I

= 15 mA

C

5 mA

10 mA

Fig.12 Common emitter noise figure circles; typical values.

handbook, full pagewidth

0.2

0.5

1

2

5

10

∞

0.2

0.5

1

2

5

10

0

+

j

– j

MCD083

23.9 dB

stability circle

MSG

25

10

0.5

0.2

1

2 dB

3 dB

4 dB

OPT

F

= 1.6 dB

min

Maximum stable gain = 23.9 dB.

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Rev. 06 - 12 March 2008

6 of 13