參數資料
型號: B3531
英文描述: Analog IC
中文描述: 模擬IC
文件頁數: 3/4頁
文件大?。?/td> 61K
代理商: B3531
3
Dec 14, 1999
SAW Components
Low-loss Filter
Data Sheet
B3531
315,00 MHz
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 C
Z
S
= 50
and matching network
Z
L
= 50
and matching network
1)
Temperature dependence of f
C
: f
C
(T
A
) =
f
C
(T
0
) (1 + TC
f
(T
A
- T
0
)
2
)
Matching network to 50
(element values depend on pcb layout and equivalent circuit
)
min.
314,850
typ.
max.
315,150 MHz
Center frequency
(center frequency between 3 dB points)
f
C
315,000
Insertion attenuation
at f
C
α
1,5
2,5
4,0
dB
Pass bandwidth
(
α
rel
≤ 3
dB)
620
700
kHz
Relative attenuation
α
rel
10,00 ... 200,00 MHz
200,00 ... 307,00 MHz
325,00 ... 450,00 MHz
450,00 ...1000,00 MHz
45
40
40
45
60
50
50
60
dB
dB
dB
dB
Temperature coefficient of frequency
1)
Frequency inversion point
TC
f
T
0
15
–0.03
30
45
ppm/K
2
°
C
C
p1
= 10 pF
L
s2
= 100 nH
L
s3
= 100 nH
C
p4
= 10 pF
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