SAW Components
SAW RF low loss filter
Data sheet
B1644
2338.75 MHz
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T
ZS
ZL
= –40 ˚C to+105 ˚C
=
=
50 Ω
100 Ω (balanced)
min.
typ.
max.
@ 25 ˚C
2338.75
Nominal frequency
fN
αmax
—
—
MHz
dB
Maximum insertion attenuation
2332.5 ... 2345.0 MHz
—
2.4
4.8
Amplitude ripple (p-p)
∆α
2332.5 ... 2345.0 MHz
—
0.4
2.9
3.5
dB
dB
Output amplitude balance (|S31/S21|)
2332.5 ... 2345.0 MHz
–5.0
-0.7/0.0
Output phase balance (φ(S31) – φ(S21)+180˚)
2332.5 ... 2345.0 MHz
–12.0
10.0
10.0
-7.0/-1.8
15.0
8.0
—
˚
Input return loss
dB
dB
Output return loss
15.0
—
Attenuation
α
88.0 ... 108.0 MHz
880.0 ... 960.0 MHz
1710.0 ... 1910.0 MHz
2305.0 MHz
50
40
38
—
—
—
—
20
35
65
56
43
11
9
9
6
25
50
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
2310.0 MHz
2315.0 MHz
2320.0 MHz
2450.0 MHz
3060.0 MHz
Group delay ripple (p-p)
2332.5 ... 2345.0 MHz
—
3
20
ns
Please read cautions and warnings and
important notes at the end of this document.
5
July 27, 2010
EPCOS [ EPCOS ]
