参数资料
型号: B3663
英文描述: Analog IC
中文描述: 模拟IC
文件页数: 5/7页
文件大小: 92K
代理商: B3663
5
Oct 18, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B3663
140,01 MHz
T
Z
S
= 50
unbalanced and matching network
Z
L
= 50
unbalanced and matching network
= -10 ... +80 C
1)
Temperature dependance of f
c
:
f
c
(T) = f
c
(T
0
)(1 + TC
f
(T – T
0
)
2
)
Matching network
(element values depend on pcb layout)
L
s1
= 200 nH C
p2
= 3,3 pF C
p3
= 3,3 pF L
s4
= 200 nH
min.
typ.
max.
Nominal frequency
f
N
140,010
MHz
Minimum insertion loss
α
min
3,7
5,5
dB
3dB bandwidth
30
78
kHz
Amplitude variation
(p-p)
f
N
- 15 kHz ... f
N
+ 15 kHz
Amplitude ripple
(peak to adjacent valley)
f
N
- 15 kHz ... f
N
+ 15 kHz
α
0,3
3,0
dB
α
0,2
0,8
dB
Absolute group delay
(at f
N
)
τ
11
15
μ
s
Group delay ripple
(p-p)
f
N
- 15 kHz ... f
N
+ 15 kHz
τ
2
8
μ
s
Relative attenuation
(relative to
α
min
)
f
N
±
60 kHz
f
N
±
120 kHz
f
N
±
210 kHz
f
N
1 MHz
f
N
+
1 MHz
α
rel
2
20
45
67
73
68
dB
dB
dB
dB
dB
25
45
68
48
Temperature coefficient of frequency
1)
TC
f
T
0
– 0,036
ppm/K
2
Turnover temperature
35
C
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