SAW Components
SAW RF low loss filter
Data Sheet
B1637
1748.0 MHz
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T
= +25 ˚C + 2˚C
ZS = 200 Ω and matching network
ZL 75 Ω
=
typ.
@ 25 ˚C
1748.0
min.
max.
Nominal frequency
fN
α0
—
—
—
—
—
—
MHz
dB
Insertion attenuation
at 1748.0 MHz
2.7
63.0
0.5
3.0
Pass bandwidth
αrel < 1.0 dB
B1 dB
—
MHz
dB
Amplitude ripple (p-p)
∆α
1724.6 ... 1771.3 MHz
1.0
Group delay ripple (p-p)
∆τ
1729.8 ... 1766.1 MHz
6.0
10.0
ns
Relative attenuation (relative to α0 )
0.3 ... 862.0 MHz
αrel
60.0
42.0
33.0
42.0
30.0
65.0
50.0
38.0
48.0
36.0
—
—
—
—
—
dB
dB
dB
dB
dB
862.0 ... 1655.5 MHz
1840.5 ... 1956.3 MHz
1956.3 ... 2500.0 MHz
2500.0 ... 3500.0 MHz
Common Mode Rejection Ratio (CMRR)
1724.6 ... 1771.3 MHz
20.0
—
28.0
1.8
—
dB
Input VSWR
1724.6 ... 1771.3 MHz
2.1
2.1
Output VSWR
1724.6 ... 1771.3 MHz
—
2.0
Please read cautions and warnings and
important notes at the end of this document.
3
October 16, 2008