參數(shù)資料
型號(hào): B3640
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> 68K
代理商: B3640
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3640
238,0 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
A
= -5 - 75 C
Z
S
= 200
and matching network.
Z
L
= 50
and matching network
1)
Temperature dependance of f
c
:
f
c
(T
A
) = f
c
(T
0
)(1 + TC
f
(T
A
– T
0
)
2
)
min.
typ.
238,0
max.
Nominal frequency
f
N
MHz
Minimum insertion attenuation
(including matching network)
α
min
7
8,5
9,5
dB
Amplitude ripple
(p-p)
f
N
±
100 kHz
f
N
±
300 kHz
α
0,3
1,9
1,1
3,0
dB
dB
Absolute group delay
τ
1,5
3
μ
s
Group delay variation
f
N
±
100 kHz
f
N
±
300 kHz
τ
50
90
150
250
ns
ns
Relative attenuation
(relative to
α
min
)
f
N
±
0,6 MHz ... f
N
±
0,8 MHz
f
N
±
0,8 MHz ... f
N
±
1,8 MHz
f
N
±
1,8 MHz ... f
N
±
6,0 MHz
f
N
±
6,0 MHz ... f
N
±
20 MHz
f
N
±
20 MHz ... f
N
±
120 MHz
α
rel
5
8
dB
dB
dB
dB
dB
10
25
30
40
25
45
41
42
Temperature coefficient of frequency
1)
Turnover temperature
TC
f
T
0
–0,036
ppm/K
2
30
C
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