SAW Components
Data Sheet B3881
2
Jun 25, 2004
SAW Components
B3881
168,96 MHz
Low-Loss Filter
Data Sheet
Ceramic package QCC10B
Features
q
High performance IF bandpass filter
q
Multichannel W-CDMA and CDMA capable
q
Hermetically sealed ceramic package
q
unbalanced to unbalanced and unbalanced to
balanced operation possible
Terminals
q
Gold plated
Dimensions in mm, approx. weight 0,23 g
Pin configuration
9
Input
10
Input ground
4
Output
5
Output ground or balanced output
2, 7
Ground
1, 3, 6, 8
To be grounded
Electrostatic Sensitive Device (ESD)
Type
Ordering code
Marking and Package
according to
Packing
according to
B3881
B39171-B3881-Z710
C61157-A7-A49
F61074-V8172-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
Jun 25, 2004
SAW Components
B3881
168,96 MHz
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
T = +35 .. +85 C
Terminating source impedance:
Z
S
=50
single ended and matching network
Terminating load impedance:
Z
S
=50
single ended and matching network
1) Phase Linearity/Average Error Vector Magnitude:where k = (-5, -4 .... +5)
min.
typ.
max.
Nominal frequency
f
N
--
168,96
--
MHz
Minimum insertion attenuation
min
--
18,5
20,5
dB
(including matching network)
Passband width
rel
1 dB
B
1dB
--
14,1
--
MHz
rel
2 dB
B
2dB
--
14,5
--
MHz
rel
40 dB
B
40dB
--
17,1
--
MHz
Amplitude ripple (p-p)
f
N
6,67 MHz
--
0,6
0,9
dB
Group delay ripple (p-p)
f
N
6,67 MHz
--
80
120
ns
Phase Linearity
1)
(rms)
f
N
1,92 MHz
--
0,5
1,0
f
N
- 5,0 MHz
1,92 MHz
--
1,5
2,0
f
N
+ 5,0 MHz
1,92 MHz
--
0,9
1,5
f
N
+ k*1,25 MHz
0,6144 MHz
--
0,7
1,3
Average Error Vector Magnitude
1)
EVM
f
N
1,92 MHz
--
1,3
3,0
%
f
N
- 5,0 MHz
1,92 MHz
--
3,0
4,0
%
f
N
+ 5,0 MHz
1,92 MHz
--
2,5
4,0
%
f
N
+ k*1,25 MHz
0,6144 MHz
--
1,8
4,0
%
Relative attenuation (relative to
min
)
rel
f
N
7,5 MHz ...
f
N
17,5 MHz
2
4
--
dB
f
N
17,5 MHz ...
f
N
21,5 MHz
41
45
--
dB
f
N
21,5 MHz ...
f
N
25,5 MHz
43
48
--
dB
f
N
25,5 MHz ...
f
N
66,0 MHz
45
50
--
dB
f
N
66,0 MHz ...
f
N
111,0 MHz
40
45
--
dB
Temperature coefficient of frequency
TC
f
--
18
--
ppm/K
4
Jun 25, 2004
SAW Components
B3881
168,96 MHz
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
T = 0 .. +85 C
Terminating source impedance:
Z
S
=50
single ended and matching network
Terminating load impedance:
Z
S
=50
single ended and matching network
1) Phase Linearity/Average Error Vector Magnitude:where k = (-5, -4 .... +5)
min.
typ.
max.
Nominal frequency
f
N
--
168,96
--
MHz
Minimum insertion attenuation
min
--
18,5
20,5
dB
(including matching network)
Passband width
rel
1 dB
B
1dB
--
14,1
--
MHz
rel
2 dB
B
2dB
--
14,5
--
MHz
rel
40 dB
B
40dB
--
17,1
--
MHz
Amplitude ripple (p-p)
f
N
6,67 MHz
--
0,6
0,9
dB
Group delay ripple (p-p)
f
N
6,67 MHz
--
80
120
ns
Phase Linearity
1)
(rms)
f
N
1,92 MHz
--
0,5
1,0
f
N
- 5,0 MHz
1,92 MHz
--
1,5
2,5
f
N
+ 5,0 MHz
1,92 MHz
--
0,9
1,5
f
N
+ k*1,25 MHz
0,6144 MHz
--
0,7
1,3
Average Error Vector Magnitude
1)
EVM
f
N
1,92 MHz
--
1,3
3,0
%
f
N
- 5,0 MHz
1,92 MHz
--
3,0
4,5
%
f
N
+ 5,0 MHz
1,92 MHz
--
2,5
4,0
%
f
N
+ k*1,25 MHz
0,6144 MHz
--
1,8
4,0
%
Relative attenuation (relative to
min
)
rel
f
N
-
7,5 MHz ...
f
N
-
17,5 MHz
2
4
--
dB
f
N
+
7,5 MHz ...
f
N
+
17,5 MHz
1,5
4
--
dB
f
N
17,5 MHz ...
f
N
21,5 MHz
41
45
--
dB
f
N
21,5 MHz ...
f
N
25,5 MHz
43
48
--
dB
f
N
25,5 MHz ...
f
N
66,0 MHz
45
50
--
dB
f
N
66,0 MHz ...
f
N
111,0 MHz
40
45
--
dB
Temperature coefficient of frequency
TC
f
--
18
--
ppm/K
5
Jun 25, 2004
SAW Components
B3881
168,96 MHz
Low-Loss Filter
Data Sheet
Matching network to 50 Ohm:
(Element values depend upon PCB layout)
L
p1
= 47 nH
L
p4
= 220 nH
L
s2
= 100 nH
L
s5
= 82 nH
R
p3
= 1,8 k
Lp1
Ls2
Rp3
Lp4
Ls5
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