BFP420(2007) 데이터 시트보기 (PDF) - Infineon Technologies

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BFP420
(Rev.:2007)

NPN Silicon RF Transistor

Infineon Technologies 

Noise figure F = ƒ(IC)

VCE = 2 V, ZS = ZSopt

Noise figure F = ƒ(IC)

VCE = 2 V, f = 1.8 GHz

BFP420

4

dB

3

2.5

2

1.5

f = 6 GHz

f = 5 GHz

1

f = 4 GHz

f = 3 GHz

f = 2.4 GHz

0.5

f = 1.8 GHz

f = 0.9 GHz

0

0 4 8 12 16 20 24 28 32 mA 38

IC

Noise figure F = ƒ(f)

VCE = 2 V, ZS = ZSopt

3

dB

2

1.5

1

IC = 20 mA

IC = 5 mA

0.5

0

0

1

2

3

4 GHz

6

f

3

dB

2

1.5

ZS = 50 Ohm

ZS = ZSopt

1

0.5

0

0 4 8 12 16 20 24 28 mA 36

IC

Source impedance for min.

noise figure vs. frequency

VCE = 2 V, IC = 5 mA / 20 mA

+j50

+j25

+j100

+j10

2.4GHz

1.8GHz

3GHz

0.9GHz

0

10

25

50

100 0.45GHz

4GHz

5GHz

-j10

6GHz

-j25

-j100

-j50

2007-04-20

8

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