PBR941 데이터 시트보기 (PDF) - Philips Electronics

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PBR941

UHF wideband transistor

Philips Electronics 

Philips Semiconductors

UHF wideband transistor

Product specification

PBR941

handbook, full pagewidth

unstable

region source

135°

0.5

180°

0.2

G = 16 dB

0.2

0.5

G = 15 dB

0.2

G = 14 dB

90°

unstable

1.0

1

region load

2

45°

0.8

0.6

5

ΓOPT

1

2

5

NF = 1.5 dB

NF = 1.7 dB

NF = 1.9 dB

5

0.4

0.2

0° 0

0.5

−135°

f = 1 GHz; VCE = 6 V; IC = 5 mA; Zo = 50 Ω.

1

−90°

2

−45°

MDA885

1.0

Fig.17 Common emitter available gain circles; typical values.

handbook, full pagewidth

unstable

region source

135°

90°

1

0.5

Gmax = 10.26 dB

unstable

region load 1.0

2

45°

0.8

0.6

0.2

0

0.2

180°

ΓOPT

0.5

1

2

NF = 2.1 dB

5

5

0.4

0.2

0° 0

G = 10 dB

NF = 2.3 dB

0.2

NF = 2.5 dB

5

−135°

G = 9 dB

G = 8 dB

0.5

1

f = 2 GHz; VCE = 6 V; IC = 5 mA; Zo = 50 Ω.

−90°

2

−45°

MDA886

1.0

Fig.18 Common emitter available gain circles; typical values.

1998 Aug 10

11

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