
3Dec 08, 2003
SAW Components X 6966 D
36,125 MHzBandpass Filter
Data Sheet
Characteristics
Reference temperature:
T
A= 25 ˚C
Terminating source impedance:
Z
S= 50 Ω
Terminating load impedance:
Z
L= 2 kΩ || 3 pF
min. typ. max.
Center frequency fC36,07 36,125 36,18 MHz
(center between 10 dB points)
Insertion attenuation α
Reference level for the 36,13 MHz 18,8 20,3 21,8 dB
following data
Pass bandwidth
αrel < 1dB B1dB — 7,5 — MHz
αrel < 3dB B3dB — 8,0 — MHz
αrel < 30dB B30dB — 9,4 — MHz
Relative attenuation αrel
32,32 MHz — 1,2 — dB
39,93 MHz 0,1 1,1 2,1 dB
32,13 MHz 1,9 3,1 4,3 dB
40,13 MHz 2,0 3,2 4,4 dB
31,25 MHz 35,0 50,0 — dB
47,25 MHz 42,0 50,0 — dB
Lower sidelobe 25,00 ... 29,50 MHz 36,0 42,0 — dB
29,50 ... 31,25 MHz 32,0 38,0 — dB
Upper sidelobe 40,90 ... 43,50 MHz 32,0 38,0 — dB
43,50 ... 50,00 MHz 36,0 44,0 — dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse 42,0 52,0 — dB
(test pulse 250 ns,
carrier frequency 36,13 MHz)
Feedthrough signal suppression
1,3 µs ... 1,2 µs before main pulse 50,0 56,0 — dB
(test pulse 250 ns,
carrier frequency 36,13 MHz)
Group delay ripple (p-p) ∆τ
32,13 ... 40,13 MHz —40—ns
Impedance at 36,13 MHz
Input:
Z
IN =
R
IN ||
C
IN — 2,9 ||14,1 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —2,4 || 4,4 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K