SAW Components
SAW IF filter
B1726
259.86 MHz
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T
= –40 ˚C ... 85 ˚C
ZS = 150 Ω and matching network
ZL = 150 Ω and matching network
typ.
min.
max.
@ 25˚C
fN
—
—
259.86
—
MHz
dB
Nominal frequency
Minimum insertion attenuation
αmin
∆α
14.5
15.5
Amplitude ripple (p-p)
253.61 ... 266.11 MHz
253.61 ... 255.47 MHz
255.47 ... 257.33 MHz
257.33 ... 259.84 MHz
259.89 ... 262.40 MHz
262.40 ... 264.25 MHz
264.25 ... 266.11 MHz
—
—
—
—
—
—
—
0.8
0.3
0.3
0.3
0.3
0.3
0.7
1.4
0.8
0.8
0.8
0.8
0.8
1.0
dB
dB
dB
dB
dB
dB
dB
Pass bandwidth
αrel ≤ 1.5 dB
B1.5dB 12.5
14.1
14.9
17.4
15.0
15.4
—
MHz
MHz
MHz
αrel ≤ 3 dB
B3dB
14.4
—
αrel ≤15 dB
B15dB
Attenuation (relative to αmin
)
αrel
Lower sidelobe
230.00 ...fN –12.00 MHz
fN –12.00 ...fN –10.50 MHz
34.0
32.0
36.0
36.0
—
—
dB
dB
Upper sidelobe
fN + 9.00 ...fN +10.30 MHz
fN +10.30 ...fN +12.00 MHz
fN +12.00 ... 290.00 MHz
13.0
34.0
35.0
16.0
36.0
37.0
—
—
—
dB
dB
dB
Group delay ripple (p–p)
∆τ
ns
fN ± 6.24 MHz
—
—
50
70
—
TCf
–18
ppm/K
Temperature coefficient of frequency
Please read cautions and warnings and
important notes at the end of this document.
3
February 19, 2010
EPCOS [ EPCOS ]
