BF998/BF998R/BF998RW
Vishay Telefunken
Electrical AC Characteristics
V
DS
= 8 V, I
D
= 10 mA, V
G2S
= 4 V, f = 1 MHz , T
amb
= 25
_
C, unless otherwise specified
Parameter
Forward transadmittance
Gate 1 input capacitance
Gate 2 input capacitance
Feedback capacitance
Output capacitance
Power g
gain
AGC range
Noise figure
g
Test Conditions
Symbol
y
21s
C
issg1
C
issg2
C
rss
C
oss
G
ps
G
ps
D
G
ps
F
F
Min
21
Typ
24
2.1
1.1
25
1.05
28
20
1.0
1.5
Max
2.5
Unit
mS
pF
pF
fF
pF
dB
dB
dB
dB
dB
V
G1S
= 0, V
G2S
= 4 V
G
S
= 2 mS, G
L
= 0.5 mS, f = 200 MHz
G
S
= 3,3 mS, G
L
= 1 mS, f = 800 MHz
V
G2S
= 4 to –2 V, f = 800 MHz
G
S
= 2 mS, G
L
= 0.5 mS, f = 200 MHz
G
S
= 3,3 mS, G
L
= 1 mS, f = 800 MHz
16.5
40
Document Number 85011
Rev. 4, 23-Jun-99
www.vishay.de
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VISHAY [ VISHAY TELEFUNKEN ]
