SAW Components
SAW RF filter
Data sheet
Characteristics Filter 1 (GSM900)
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = +25 ˚C
±
2˚C
Z
S
= 50
Ω
(unbalanced)
Z
L
= 150
Ω
(balanced) || 68 nH
min.
Center frequency
f
C
—
typ.
@ 25 ˚C
942.50
max.
—
B4235
942.5/1842.5 MHz
MHz
Maximum insertion attenuation
α
max
925.00 ... 960.00 MHz
Amplitude ripple
(p-p)
∆α
925.00 ... 960.00 MHz
Input VSWR
925.00 ... 960.00 MHz
Output VSWR
925.00 ... 960.00 MHz
Output amplitude balance
(|S
31
/S
21
|)
925.00 ... 960.00 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
925.00 ... 960.00 MHz
Attenuation
10.00
480.00
880.00
905.00
980.00
1050.00
3500.00
4500.00
...
...
...
...
...
...
...
...
480.00
880.00
905.00
915.00
1050.00
3500.00
4500.00
6000.00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
—
1.8
2.2
dB
—
0.6
1.2
dB
—
—
1.9
1.9
2.1
2.1
–2.0
2.0
dB
–10.0
10.0
degree
45
30
24
20
23
30
22
15
53
38
27
25
30
34
26
17
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
February 25, 2011
EPCOS [ EPCOS ]
