參數(shù)資料
型號(hào): BF998RB
廠商: Vishay Intertechnology,Inc.
英文描述: N-Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
中文描述: N溝道雙柵MOS - Fieldeffect四極管,耗盡型
文件頁數(shù): 3/9頁
文件大小: 155K
代理商: BF998RB
BF998/BF998R/BF998RW
Vishay Telefunken
www.vishay.de
FaxBack +1-408-970-5600
Rev. 4, 23-Jun-99
3 (9)
Document Number 85011
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
Test Conditions
Symbol
y
21s
C
issg1
C
issg2
C
rss
C
oss
G
ps
G
ps
G
ps
F
F
Min
21
Typ
24
2.1
1.1
25
1.05
28
20
Max
Unit
mS
pF
pF
fF
pF
dB
dB
dB
dB
dB
Forward transadmittance
Gate 1 input capacitance
Gate 2 input capacitance
Feedback capacitance
Output capacitance
Power gain
2.5
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
AGC range
Noise figure
1.0
1.5
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