B39362X7251N201 Просмотр технического описания (PDF) - EPCOS AG
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B39362X7251N201 Datasheet PDF : 9 Pages
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SAW Components
Bandpass Filter
Data Sheet
Characteristics of channel 1 (switching pin 2 connected to ground)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
Insertion attenuation
Reference level for the
following data
α
36,17 MHz
min.
19,5
typ.
21,0
X 7251 D
36,17 MHz
max.
22,5 dB
Pass bandwidth
αrel < 1,5 dB
αrel < 3 dB
αrel < 15 dB
αrel < 30 dB
B1,5dB
B3dB
B15dB
B30dB
Relative attenuation
αrel
Lower sidelobe
Upper sidelobe
25,00 ... 31,15 MHz
41,15 ... 42,00 MHz
42,00 ... 45,00 MHz
Reflected wave signal suppression
1,1 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
carrier frequency 36,17 MHz)
Feedthrough signal suppression
1,3 µs ... 1,2 µs before main pulse
(test pulse 250 ns,
carrier frequency 36,17 MHz)
Group delay ripple (p-p)
∆τ
32,25 ... 40,05 MHz
Impedance at 36,17 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency
TCf
7,4
7,7
7,7
8,0
8,6
8,9
8,8
9,4
35,0
41,0
31,0
37,0
37,0
44,0
42,0
50,0
—
50,0
—
50
— 1,7 ||17,3
—
2,4 || 4,3
—
–72
8,0 MHz
8,3 MHz
9,2 MHz
10,0 MHz
dB
dB
dB
— dB
— dB
— ns
— kΩ || pF
— kΩ || pF
— ppm/K
3 Dec 08, 2003
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