X6959D Datasheet, PDF (3/6 Pages) EPCOS – SAW Components Bandpass Filter

SAW Components
Bandpass Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Center frequency
(center between 10 dB points)
X 6959 D
44,00 MHz
T_A = 25 ˚C
Z_S = 50 Ω
Z_L = 2 kΩ || 3 pF
min.
f_C
—
typ.
44,00
max.
— MHz
Insertion attenuation
Reference level for the
following data
α
44,00 MHz
13,3
14,8
16,3 dB
Pass bandwith
α_rel ≤ 3 dB
α_rel ≤ 6 dB
α_rel ≤ 30 dB
Relative attenuation
Lower sidelobe
Upper sidelobe
B_3dB
B_6dB
B_30dB
α_rel
35,00 ... 41,30 MHz
41,30 ... 42,30 MHz
—
—
—
38,0
36,0
45,80 ... 47,20 MHz
33,0
47,20 ... 55,00 MHz
39,0
1,7
2,0
2,9
43,0
43,0
39,0
45,0
— MHz
— MHz
— MHz
— dB
— dB
— dB
— dB
Group delay ripple (p-p)
∆τ
Aperture 50 kHz
43,00 ... 45,00 MHz
Impedance at 44,00 MHz
Input: Z_IN = R_IN || C_IN
Output: Z_OUT = R_OUT || C_OUT
Temperature coefficient of frequency
TC_f
—
40
— ns
—
1,8 ||12,8
— kΩ || pF
—
0,9 || 3,8
— kΩ || pF
—
–72
— ppm/K
3 Mar 04, 2005