
3Mar 31, 2006
SAW Components X 6966 M
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.
Insertion attenuation α
Reference level for the 36,125MHz 18,8 20,3 21,8 dB
following data
Amplitude ripple ∆α
32,65 ... 39,60 MHz 0,0 0,5 1,0 dB
Pass bandwith
αrel ≤1dB
B
1dB — 7,5 — MHz
αrel ≤3dB
B
3dB — 8,0 — MHz
αrel ≤30 dB
B
30dB — 9,4 — MHz
Relative attenuation αrel
32,32 MHz –0,1 0,9 1,9 dB
39,93 MHz 0,4 1,4 2,4 dB
32,13 MHz 1,5 2,7 3,9 dB
40,13 MHz 2,3 3,5 4,7 dB
31,25 MHz 37,0 51,0 — dB
47,25 MHz 45,0 60,0 — dB
Lower sidelobe 25,00 ... 31,25 MHz 35,0 41,0 — dB
Upper sidelobe 40,90 ... 50,00 MHz 32,0 39,0 — dB
Reflected wave signal suppression
1,0 µs ... 6,0 µs after main pulse 42,0 52,0 — dB
(test pulse 250 ns,
carrier frequency 36,125 MHz)
Feedthrough signal suppression
1,2 µs ... 1,1 µs before main pulse 50,0 56,0 — dB
(test pulse 250 ns,
carrier frequency 36,125 MHz)
Group delay ripple (p-p) ∆τ
Aperture 62,5 kHz 32,32 ... 39,93 MHz — 40 — ns
Impedance at 36,125 MHz
Input:
Z
IN =
R
IN ||
C
IN — 2,3 ||14,7 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —2,4 || 3,9 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K