參數(shù)資料
型號(hào): B3553
英文描述: Analog IC
中文描述: 模擬IC
文件頁(yè)數(shù): 3/6頁(yè)
文件大小: 65K
代理商: B3553
3
Dec 15, 1999
SAW Components
Low-loss Filter
Data Sheet
B3553
303,80 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.
303,80
max.
Center frequency
(center frequency between 3 dB points)
f
C
MHz
Minimum insertion attenuation
α
min
314,82 ... 315,22 MHz
3,0
4,5
dB
Pass band
(relative to
α
min
)
303,62 ... 303,98 MHz
303,595 ... 304,005MHz
303,53 ... 304,07 MHz
1,0
1,0
1,5
2,0
3,0
6,0
dB
dB
dB
Relative attenuation
(relative to
α
min
)
α
rel
10,00 ... 260,00 MHz
260,00 ... 297,00 MHz
297,00 ... 302,80 MHz
304,80 ... 320,00 MHz
320,00 ... 400,00 MHz
400,00 ...1000,00 MHz
45
40
15
10
35
45
50
45
20
15
40
50
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
570 || 4,5
570 ||3,7
|| 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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