X7001L Datasheet, PDF (3/6 Pages) EPCOS – SAW Components IF Bandpass Filter

SAW Components
IF Bandpass Filter
Data Sheet
X 7001 L
30,72 MHz
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T_A = 25 ˚C
Z_S = 150 Ω
Z_L = 1 kΩ
min.
Center frequency
(center between 3 dB points)
f_C
—
Insertion attenuation
Reference level for the
following data
α
30,72 MHz
19,3
Pass bandwidth
α_rel ≤3 dB
α_rel ≤20 dB
α_rel ≤30 dB
B_3dB
B_20dB
B_30dB
Relative attenuation
Lower sidelobe
Lower sidelobe
α_rel
22,00 ... 27,92 MHz
27,92 ... 28,82 MHz
32,62 ... 42,00 MHz
—
—
—
40,0
37,0
40,0
Reflected wave signal suppression
1,6 µs ... 6,0 µs after main pulse
38,0
(test pulse 250 ns,
carrier frequency 30,72 MHz)
typ.
max.
30,72 — MHz
20,8
22,3 dB
1,6
— MHz
2,4
— MHz
2,6
— MHz
47,0
— dB
44,0
— dB
47,0
— dB
45,0
— dB
Group delay ripple (p–p)
∆τ
Aperture 50 kHz
29,95 ... 31,49 MHz
Impedance at 30,72 MHz
Input: Z_IN = R_IN || C_IN
Output: Z_OUT = R_OUT || C_OUT
Temperature coefficient of frequency
TC_f
—
50
— ns
—
2,0 || 19,8 — kΩ || pF
—
2,5 || 10,1 _{— kΩ || pF}
—
–18
— ppm/K
3 May 08, 2001