參數(shù)資料
型號(hào): X9650M
廠商: EPCOS AG
英文描述: Bandpass Filter
中文描述: 帶通濾波器
文件頁數(shù): 3/7頁
文件大?。?/td> 100K
代理商: X9650M
3
Mar 31, 2006
SAW Components
X 9650 M
44,00 MHz
Bandpass Filter
Data Sheet
Characteristics of channel 1 (switching input pin 2 connected to ground pin 3)
Reference temperature:
TA =
25 (45) C
Terminating source impedance:
ZS =50
Terminating load impedance:
ZL =2 k || 3 pF
min.
typ.
max.
Center frequency
fC
44,00
MHz
(center between 3 dB points)
Insertion attenuation
α
Reference level for the
44,06 (44,00) MHz
13,0
14,5
16,0
dB
following data
Pass bandwidth
α
rel ≤1dB
B1dB
1,6
MHz
α
rel ≤3dB
B3dB
1,8
MHz
α
rel ≤30 dB
B30dB
2,7
MHz
Relative attenuation
α
rel
Lower sidelobe
35,06 ... 40,26 (35,00 ... 40,20) MHz
38,0
43,0
dB
40,26 ... 42,56 (40,20 ... 42,50) MHz
32,0
37,0
dB
Upper sidelobe
45,56 ... 48,66 (45,50 ... 48,60) MHz
24,0
30,0
dB
48,66 ... 55,06 (48,60 ... 55,00) MHz
36,0
40,0
dB
Group delay ripple (p-p)
τ
43,16 ... 44,96 (43,10 ... 44,90) MHz
50
ns
Impedance at 44,06 MHz
Input:
ZIN
=
RIN
||
CIN
0,9 || 13,3
k
|| pF
Output:
ZOUT = ROUT || COUT
0,8 || 6,1
—k
|| pF
Temperature coefficient of frequency
TCf
–72
ppm/K
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