X3402 Datasheet, PDF (3/9 Pages) EPCOS – SAW IF filter

SAW Components
SAW IF filter
Data sheet
Characteristics of TDM1 channel
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
X3402
72.54 and 80.46 MHz
T = –10 ˚C to +85 ˚C
Z_S =
Z_L =
27 Ω and matching network
1 kΩ and matching network
Nominal frequency
min.
typ.
max.
@ 25 ˚C
f_N
—
72.54
—
MHz
Minimum insertion attenuation
α_min
—
(including losses in the matching network)
18.3
19.8 dB
Maximum voltage gain source – load α_vgsl
(V_L/V_S)
Amplitude ripple (p-p)
∆α
f_N ± 1.85 MHz
Pass bandwidth
α_rel ≤ 1.5 dB
α_rel ≤ 3 dB
α_rel ≤ 15 dB
α_rel ≤ 30 dB
B_1.5dB
B_3dB
B_15dB
B_30dB
Mean attenuation (relative to α_min)
α_rel
Upper sidelobe 86.47 ... 91.53 MHz
–7.0
—
—
—
—
—
52.0
–5.0
0.8
4.1
4.5
5.6
6.2
57.0
—
dB
1.5 dB
—
MHz
—
MHz
6.1 MHz
6.7 MHz
—
dB
Relative attenuation (relative to α_min) α_rel
Lower sidelobe 50.00 ... 65.00 MHz
40.0
45.0
—
dB
65.00 ... 66.48 MHz
39.0
44.0
—
dB
66.48 ... 68.08 MHz
37.0
42.0
—
dB
Upper sidelobe 77.30 ... 78.60 MHz
40.0
45.0
—
dB
78.60 ... 86.47 MHz
42.0
46.0
—
dB
86.47 ... 91.53 MHz
46.0
52.0
—
dB
91.53 ... 95.21 MHz
48.0
54.0
—
dB
95.21 ... 100.00 MHz
50.0
54.0
—
dB
Group delay ripple (p–p)
∆τ
f_N ± 1.85 MHz
—
70
Temperature coefficient of frequency TC_f
—
– 18
—
ns
—
ppm/K
Please read cautions and warnings and
important notes at the end of this document.
3 February 26, 2007