SAW Components
SAW IF filter
B5040
468.0 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T
ZS
ZL
=
=
=
–40 to 85 ˚C
50 Ω single ended and matching network
50 Ω single ended and matching network
min.
—
typ.
@ 25 ˚C
468.0
max.
—
Nominal frequency
fN
MHz
dB
Minimum insertion attenuation
(including matching network)
αmin
∆α
—
11.2
13.0
Amplitude ripple (p-p)
fN ± 2.25 MHz
—
—
0.6
1.3
1.2
2.0
dB
dB
fN ± 2.50 MHz
fN ± 2.25 MHz
fN ± 2.50 MHz
Group delay ripple (p-p)
∆τ
—
—
120
0.5
250
1.5
ns
Absolute group delay
τ
µs
Relative attenuation (relative to αmin
)
αrel
fN ± 3.5 ... fN ± 5.0 MHz
fN ± 5.0 ... fN ± 10.0 MHz
fN ± 10.0 ... fN ± 20.0 MHz
10
35
40
15
42
48
—
—
—
dB
dB
dB
30.0 MHz ... fN − 20.0 MHz
fN + 20.0 MHz ... fN + 24.0 MHz
fN + 24.0 MHz ... 1000 MHz
50
45
50
57
52
55
—
—
—
dB
dB
dB
Return loss, input
Return loss, output
fN ± 2.25 MHz
fN ± 2.25 MHz
8
8
12
20
—
—
dB
dB
Temperature coefficient of frequency1)
Turnover temperature
TCf
T0
—
—
–0.036
20
—
—
ppm/K2
˚C
1)
Temperature dependance of fc: fc(TA) = fc(T0) (1 + TCf(TA – T0)2)
Please read cautions and warnings and
important notes at the end of this document.
3
Mar 16, 2006