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參數(shù)資料
| 型號： | B3665 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 66K |
| 代理商： | B3665 |
3
Jan 08, 2001
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
Group delay aperture: 50 kHz
B3665
380,00 MHz
T
A
= -10 ... +85 C
Z
S
= 50
and matching network
Z
L
= 50
and matching network
2)
Temperature dependance of f
c
:
f
c
(T
A
) = f
c
(T
0
)(1 + TC
f
(T
A
– T
0
)
2
)
min.
—
typ.
380,00
max.
—
Nominal frequency
f
N
MHz
Minimum insertion attenuation
(including matching network)
α
min
15,0
16,0
17,0
dB
Passband width
α
rel
≤
1 dB
α
rel
≤
3 dB
α
rel
≤
10 dB
α
rel
≤
30 dB
B
1dB
B
3dB
B
10dB
B
30dB
4,2
5,0
—
—
4,5
5,2
6,3
7,8
—
—
6,5
8,0
MHz
MHz
MHz
MHz
Amplitude ripple
(p-p)
α
f
N
±
2,05 MHz
—
0,6
1,0
dB
Phase ripple
(p-p)
f
N
±
2,05 MHz
—
2,5
4
Group delay ripple
(p-p)
τ
f
N
±
2,05 MHz
—
50
100
ns
Absolute group delay
mean value within f
N
±
2,05 MHz at 25 C
1)
τ
1) At other temperatures the variation from filter to filter is also restricted to +/- 5 ns.
938
943
948
ns
Relative attenuation
(relative to
α
min
)
346 MHz ... 350 MHz
362 MHz ... 366 MHz
f
N
±
3,5 MHz ... f
N
±
4,5 MHz
f
N
±
4,5 MHz ... f
N
±
5,5 MHz
f
N
±
5,5 MHz ... f
N
±
50,00 MHz
α
rel
50
55
10
30
40
60
60
15
35
45
—
—
—
—
—
dB
dB
dB
dB
dB
Temperature coefficient of frequency
2)
Turnover temperature
TC
f
T
0
—
– 0,036
—
ppm/K
2
—
25
—
C
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|---|---|
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| B3668 | 制造商:EPCOS 制造商全稱:EPCOS 功能描述:SAW Components Low-loss Filter 1950 MHz |
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