X6753M Datasheet, PDF (3/8 Pages) EPCOS – SAW bandpass filter Bandpass filters for terrestrial TV applications

SAW Components
SAW bandpass filter
Data sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Insertion attenuation
Reference level for the 35.825 MHz
following data
T_A = 25 ˚C
Z_S = 50 Ω
Z_L = 2 kΩ || 3 pF
min.
typ.
@ 25 ˚C
α
18.3
19.8
Pass bandwith
α_rel ≤1 dB
α_rel ≤3 dB
α_rel ≤30 dB
B_1dB
—
7.2
B_3dB
—
7.5
B_30dB
—
8.6
Relative attenuation
α_rel
32.40 MHz
0.0
1.0
39.63 MHz
0.4
1.4
39.83 MHz
2.7
3.9
31.90 MHz
—
16.7
30.90 MHz
38.0
47.0
40.40 MHz
27.0
32.0
40.90 MHz
34.0
43.0
41.40 MHz
36.0
44.0
Lower sidelobe
25.00 ... 30.90 MHz
34.0
39.0
Upper sidelobe
40.90 ... 50.00 MHz
31.0
38.0
Reflected wave signal suppression
1.2 µs ... 6.0 µs after main pulse
(test pulse 250 ns,
carrier frequency 35.825 MHz)
Feedthrough signal suppression
1.4 µs ... 1.3 µs before main pulse
(test pulse 250 ns,
carrier frequency 35.825 MHz)
40.0
49.0
—
50.0
Group delay ripple (p-p)
∆t
32.40 ... 39.63 MHz
—
50
Impedance at 35.825 MHz
Input: Z_IN = R_IN || C_IN
Output: Z_OUT = R_OUT || C_OUT
—
2.4||16.9
—
1.9|| 4.8
Temperature coefficient of frequency TC_f
—
–72
X 6753 M
35.825 MHz
max.
21.3
dB
—
MHz
—
MHz
—
MHz
2.0
dB
2.4
dB
5.1
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
ns
— kΩ || pF
— kΩ || pF
— ppm/K
Please read cautions and warnings and
important notes at the end of this document.
3 February 17, 2006