2
Sep 30, 2002
SAW Components
B3853
141,0 MHz
Low-Loss Filter
Data Sheet
Ceramic package DCC18
Features
s
Low-loss IF filter for CDMA base station
s
Temperature stable
s
Ceramic SMD package
s
Unbalanced or balanced operation
Terminals
s
Gold plated
Dimensions in mm, approx. weight 0,8 g
Pin configuration
1
Input or balanced input
10
Input ground or balanced input
6
Output or balanced output
5
Output ground or balanced output
3, 8
Ground
2, 4, 7, 9
Case ground
Electrostatic Sensitive Device (ESD)
Type
Ordering code
Marking and Package
according to
Packing
according to
B3853
B39141-B3853-U210
C61157-A7-A54
F61074-V8166-Z000
Maximum ratings
Operable temperature range
T
40 / +85
C
Storage temperature range
T
stg
40 / +85
C
DC voltage
V
DC
5
V
Source power
P
s
10
dBm
3
Sep 30, 2002
SAW Components
B3853
141,0 MHz
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
= 0 to +85 C
Terminating source impedance:
Z
S
= 50
and external matching network
Terminating load impedance:
Z
L
= 50
and external matching network
1)
Except for two peaks around 144 and 146 MHz with typically 45dB
2)
Temperature dependance of
f
c
:
f
c
(
T
A
) =
f
c
(
T
0
)(1 +
TC
f
(
T
A
T
0
)
2
)
min.
typ.
max.
Nominal frequency
f
N
--
141,0
--
MHz
Minimum insertion attenuation
N
--
11,0
13,0
dB
3,75 dB bandwidth
rel
3,75dB
B
3,75dB
1,18
1,32
--
MHz
Amplitude ripple (p-p)
f
N
525 kHz
--
0,2
1,0
dB
Phase Linearity (rms)
f
N
630 kHz
--
1,0
2,0
deg
Absolute group delay @
f
N
--
2,75
--
s
Group delay ripple (p-p)
f
N
525 kHz
--
100
300
ns
Relative attenuation (relative to
N
)
rel
50 MHz ...
120 MHz
50
60
--
dB
120 MHz ...
f
N
-
1350 kHz
45
52
--
dB
f
N
-
1350 kHz ...
f
N
-
1250 kHz
41
45
--
dB
f
N
+
1250 kHz
...
f
N
+
1750 kHz
41
45
--
dB
f
N
+
1750 kHz
...
175 MHz
1)
45
48
--
dB
175 MHz
...
500 MHz
60
70
--
dB
Return loss
f
N
525 kHz
10
15
--
dB
3rd-order intercept point
IP3
40
45
--
dB
Temperature coefficient of frequency
2)
TC
f
--
0,036
--
ppm/K
2
Turnover temperature
T
0
--
42,5
--
C
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