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B801 Datasheet, PDF (3/9 Pages) EPCOS – Satellite Receiver Filter | |||
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SAW Components
Satellite Receiver Filter
Data Sheet
Characteristics of channel 1
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Group delay aperture
TA = 25 ËC
ZS = 50 â¦
ZL = 50 â¦
0,25MHz
Insertion attenuation
Reference level for the
following data
479,50 MHz α
min.
â
B 801
479,50 MHz
typ.
22,3
max.
25 dB
Center frequency
fc
Pass bandwidth
αrel⤠3 dB B3dB
Relative attenuation
Lower sidelobe
Upper sidelobe
αrel
466,00 MHz
493,00 MHz
430,00 ⦠452,00 MHz
507,00 ⦠530,00 MHz
478,50 479,50 480,50 MHz
â
27,0
â MHz
â
2,8
4,5 dB
â
3,0
4,5 dB
36,0
41,0
â dB
34,0
39,0
â dB
Reflected wave signal suppression
0,14 µs ⦠2,0 µs after main pulse
40,0
49,0
â dB
Amplitude ripple (pâp)
âα
471,00 ... 488,00 MHz
â
0,3
0,6 dB
Group delay ripple (pâp)
âÏ
466,00 ... 493,00 MHz
â
11
18 ns
Impedance at 479,50 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency
TCf
â
0,67|| 3,2
â k⦠|| pF
â
0,06|| 5,6
â k⦠|| pF
â
â 86
â ppm/K
3 Nov 20, 2002
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