BF775A datasheet(3/3 Pages) SIEMENS

Teilenummer	BF775A

Bauteilbeschribung	NPN Silicon RF Transistor (Especially suitable for amplifiers and TV-sat tuners)

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Hersteller	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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Semiconductor Group

3

Dec-12-1996

BF 775A

Electrical Characteristics at

TA = 25°C, unless otherwise specified.

Parameter

Symbol

Values

Unit

min.

typ.

max.

AC Characteristics

Transition frequency

IC = 15 mA, VCE = 8 V, f = 500 MHz

fT

4.5

5.8

-

GHz

Collector-base capacitance

VCB = 10 V, f = 1 MHz

Ccb

-

0.39

0.6

pF

Collector-emitter capacitance

VCE = 10 V, f = 1 MHz

Cce

-

0.19

-

Emitter-base capacitance

VEB = 0.5 V, f = 1 MHz

Ceb

-

0.9

-

Noise figure

IC = 5 mA, VCE = 8 V, ZS = ZSopt

f = 900 MHz

f = 1.8 GHz

F

-

2.2

1.45

-

dB

Power gain

2)

IC = 15 mA, VCE = 8 V, ZS = ZSopt

ZL = ZLopt

f = 900 MHz

f = 1.8 GHz

Gma

-

10.5

16

-

Transducer gain

IC = 15 mA, VCE = 8 V, ZS =ZL= 50 Ω

f = 900 MHz

f = 1.8 GHz

|

S21e|2

-

7.5

13

-

2)

Gma = |S21/S12| (k-(k2-1)1/2)

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BF775A Datenblatt(PDF) 3 Page - Siemens Semiconductor Group

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