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參數(shù)資料
| 型號： | BFC520 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 小信號晶體管 |
| 英文描述： | KPSE 21C 21#16 SKT RECP |
| 中文描述： | 2 CHANNEL, L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| 封裝： | PLASTIC, SC-88A, 5 PIN |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 102K |
| 代理商： | BFC520 |
1997 Sep 10
4
Philips Semiconductors
Product specification
NPN wideband cascode transistor
BFC520
CHARACTERISTICS
T
j
= 25
°
C unless otherwise specified.
Notes
1.
MSG =
2.
3.
Maximum isolation is defined as the isolation when S
21
of the amplifier is reduced to unity (buffer application).
I
C
=5 mA; V
CE
= 3 V; R
S
= 50
; Z
L
= opt; T
amb
= 25
°
C;
f
p
= 900 MHz; f
q
= 902 MHz; measured at f
(2p
q)
= 904 MHz.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
DC characteristics of any single transistor
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
h
FE
collector-base breakdown voltage
collector-emitter breakdown voltage I
C
= 10
μ
A; I
B
= 0
emitter-base breakdown voltage
collector-base leakage current
DC current gain
I
C
= 2.5
μ
A; I
E
= 0
20
8
2.5
60
120
50
250
V
V
V
nA
I
E
= 2.5
μ
A; I
C
= 0
I
E
= 0; V
CB
= 6 V
I
C
= 20 mA; V
CE
= 6 V
AC characteristics of the cascode configuration
f
T
transition frequency
I
C
= 20 mA; V
C2-E1
= 3 V;
f = 1 GHz
I
E
= i
e
= 0; V
C2-B2
= 1 V;
f = 1 MHz
I
C
= 0; V
C2-E1
= 3 V; f = 1 MHz
I
C
= 0; V
C2-E1
= 3 V; f = 1 MHz
7
GHz
C
c
collector capacitance T2
0.55
pF
C
re2
C
re
MSG
feedback capacitance T2
feedback capacitance
maximum stable power gain; note 1 I
C
= 20 mA; V
C2-E1
= 3 V;
500
31
10
fF
fF
dB
f = 900 MHz; T
amb
= 25
°
C
I
C
= 20 mA; V
C2-E1
= 3 V;
f = 2 GHz; T
amb
= 25
°
C
I
C
= 20 mA; V
C2-E1
= 3 V;
f = 900 MHz; T
amb
= 25
°
C
I
C
= 20 mA; V
C2-E1
= 3 V;
f = 2 GHz; T
amb
= 25
°
C
f = 900 MHz
f = 2 GHz
I
C
= 5 mA; V
C2-E1
= 3 V;
f = 900 MHz;
Γ
S
=
Γ
opt
note 3
19
dB
insertion power gain
17
dB
13
dB
maximum isolation; note 2
63
38
1.3
1.6
dB
dB
dB
F
noise figure
IP
3
third order intercept point (input)
18
dBm
s
21
2
s
21
s
12
2
s
12
s
21
k
k
2
1
–
–
×
k
1
-----------------------------------------------------s
s
s
×
s
2
21
s
12
2
s
11
2
s
22
2
–
–
s
21
×
×
=
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