BF998A datasheet(3/9 Pages) VISHAY

Teilenummer	BF998A

Bauteilbeschribung	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode

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Hersteller	VISHAY [Vishay Siliconix]

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BF998/BF998R/BF998RW

Vishay Telefunken

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Rev. 4, 23-Jun-99

3 (9)

Document Number 85011

Electrical AC Characteristics

VDS = 8 V, ID = 10 mA, VG2S = 4 V, f = 1 MHz , Tamb = 25_C, unless otherwise specified

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Forward transadmittance

y21s

21

24

mS

Gate 1 input capacitance

Cissg1

2.1

2.5

pF

Gate 2 input capacitance

VG1S = 0, VG2S = 4 V

Cissg2

1.1

pF

Feedback capacitance

Crss

25

fF

Output capacitance

Coss

1.05

pF

Power gain

GS = 2 mS, GL = 0.5 mS, f = 200 MHz

Gps

28

dB

g

GS = 3,3 mS, GL = 1 mS, f = 800 MHz

Gps

16.5

20

dB

AGC range

VG2S = 4 to –2 V, f = 800 MHz

DGps

40

dB

Noise figure

GS = 2 mS, GL = 0.5 mS, f = 200 MHz

F

1.0

dB

g

GS = 3,3 mS, GL = 1 mS, f = 800 MHz

F

1.5

dB

Ähnliche Beschreibung - BF998A

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Vishay Siliconix	BF994S	119Kb / 7P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 3, 20-Jan-99
	BF966SA	161Kb / 8P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 1.5, 15-Apr-05
	BF995	116Kb / 7P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 3, 20-Jan-99
	BF961	160Kb / 7P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 1.5, 25-Nov-04
Vishay Telefunken	BF966	396Kb / 10P	N-Channel Dual Gate MOS-Fieldeffect Tetrode - Depletion Mode
Vishay Siliconix	BF964S	127Kb / 8P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 3, 20-Jan-99
	BF988	139Kb / 8P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 4, 08-Jul-99
	BF966S	127Kb / 8P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 3, 20-Jan-99
	BF998	318Kb / 10P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 1.8, 05-Sep-08
	BF988	157Kb / 9P	N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode Rev. 1.7, 11-Sep-08

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