2SC2148, 2SC2149

4

GAIN BANDWIDTH PRODUCT vs.

COLLECTOR CURRENT

7

3

5

1

0.5

0.1

0.3

0.5

1

5

10

50

−Collector Current−mA

INSERTION GAIN vs.

COLLECTOR CURRENT

15

10

5

0

0.5

1

5

10

50

−Collector Current−mA

f = 1.0 GHz

COLLECTOR AND EMITTER CAPACITANCE vs.

REVERSE VOLTAGE

3

2

1

0.5

0.3

0

0.5

1

2

5

10

20 30

−Collector to Base Voltage−V

−Emitter to Base Voltage−V

f = 1.0 MHz

NOISE FIGURE vs.

COLLECTOR CURRENT

7

6

5

1

2

3

4

0

0.5

1

5

10

50

−Collector Current−mA

f = 500 MHz

untuned (50

Ω)

tuned