參數(shù)資料
型號(hào): B3639
英文描述: Analog IC
中文描述: 模擬IC
文件頁數(shù): 3/9頁
文件大?。?/td> 105K
代理商: B3639
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Reference temperature:
Input impedance:
Output impedance:
B3639
280,0 MHz
T
A
= 25 C
Z
in
= 278
|| 7,5 pF
Z
out
= 178
|| 6,8 pF
min.
typ.
280,0
max.
Nominal frequency
f
N
MHz
Insertion attenuation at f
N
(including matching network)
α
N
7,0
8,5
dB
Passband width
α
rel
≤ 3,0
dB
B
3,0dB
18,5
19,8
MHz
Amplitude ripple
(p-p)
α
271,0
... 289,0
MHz
3,0
dB
Group delay ripple
(p-p)
τ
271,0
... 289,0
MHz
55
80
ns
Relative attenuation
(relative to
α
N
)
f
N
100
MHz ...
f
N
40 MHz ...
f
N
22 MHz ...
f
N
+
16 MHz ...
f
N
+
22 MHz ...
f
N
+
60 MHz ...
α
rel
f
N
f
N
f
N
f
N
+
22 MHz
f
N
+
60 MHz
f
N
+
100 MHz
40 MHz
22 MHz
16 MHz
45
40
30
27
36
40
55
45
34
30
40
43
dB
dB
dB
dB
dB
dB
Temperature coefficient of frequency
TC
f
–87
ppm/K
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