A872 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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A872

Silicon PNP Epitaxial / 2SA872, 2SA872A

Hitachi -> Renesas Electronics 

Contours of Constant Noise Figure (2)

100

30

VCE = –6 V

f = 120 Hz

10

3

1.0

0.3

NF

42

=

1

dB

6

0.1

–0.01

–0.1

–1.0

–10

Collector Current IC (mA)

2SA872, 2SA872A

Contours of Constant Noise Figure (3)

100

30

VCE = –6 V

10 f = 1 kHz

3

1.0

NF

2

=

1

dB

0.3

4

6

0.1

–0.01

–0.1

–1.0

–10

Collector Current IC (mA)

5

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