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參數(shù)資料
| 型號： | B3555 |
| 廠商： | EPCOS AG |
| 英文描述： | SAW components |
| 中文描述： | SAW元件 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 64K |
| 代理商： | B3555 |
3
May 24, 2000
SAW Components
Low-loss Filter
Data Sheet
B3555
433,92 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.
433,96
max.
—
Center frequency
(center frequency between 3 dB points)
f
C
MHz
Minimum insertion attenuation
α
min
433,80 ... 434,12 MHz
—
2,2
4,0
dB
Pass band
(relative to
α
min
)
433,715 ...434,205MHz
433,675 ...434,245MHz
433,615 ...434,305MHz
—
—
—
1,0
1,0
2,0
2,0
3,0
6,0
dB
dB
dB
Relative attenuation
(relative to
α
min
)
α
rel
10,00 ... 400,00 MHz
400,00 ... 429,10 MHz
429,10 ... 430,70 MHz
430,70 ... 432,00 MHz
435,30 ... 436,80 MHz
436,80 ... 438,40 MHz
438,40 ... 450,00 MHz
450,00 ... 600,00 MHz
40
38
20
35
15
8
24
38
50
45
30
45
25
13
32
48
—
—
—
—
—
—
—
—
dB
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
—
—
225 || 3,4
225 || 3,4
—
—
|| pF
|| pF
ppm/K
2
Temperature coefficient of frequency
1)
TC
f
T
0
—
–0,03
—
Frequency inversion point
—
25
—
°
C
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