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