參數(shù)資料
型號: B3559
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 3/7頁
文件大?。?/td> 62K
代理商: B3559
3
Dec 15, 1999
SAW Components
Low-loss Filter
Data Sheet
B3559
345,00 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
)
min.
typ.
345,03
max.
Center frequency
(center frequency between 3 dB points)
f
C
MHz
Minimum insertion attenuation
α
min
344,90 ... 345,10 MHz
2,0
3,0
dB
Pass band
(relative to
α
min
)
344,94 ... 345,13 MHz
344,90 ... 345,17 MHz
344,87 ... 345,20 MHz
0,8
1,0
1,5
2,0
3,0
6,0
dB
dB
dB
Relative attenuation
(relative to
α
min
)
α
rel
10,00 ... 300,00 MHz
300,00 ... 341,00 MHz
341,00 ... 344,00 MHz
346,10 ... 347,00 MHz
347,00 ... 350,00 MHz
350,00 ... 450,00 MHz
450,00 ... 1000,00 MHz
45
40
15
10
20
35
45
50
45
20
15
25
40
50
dB
dB
dB
dB
dB
dB
dB
Impedance
for pass band matching
Input:
Output: Z
OUT
= R
OUT
|| C
OUT
Z
IN
= R
IN
|| C
IN
350 ||2,80
350 ||2,80
|| pF
|| pF
ppm/K
2
Temperature coefficient of frequency
1)
TC
f
T
0
–0,03
Frequency inversion point
10
30
°
C
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