SAW Components
Low-Loss Filter
Data Sheet
B3685
90,00 MHz
Ceramic package
QCC12B
Features
q
Low-loss IF filter for GSM base station
q
Tx path
q
Ceramic SMD package
Terminals
q
Gold plated
Dimensions in mm, appr. weight 0,20 g
Pin configuration
12, 10
4, 6
1, 2, 7, 8
3, 9
Balanced Input
Balanced Output
Ground
Case ground
Type
B3685
Ordering code
B39900-B3685-Z910
Marking and Package
according to
C61157-A7-A52
Packing
according to
F61074-V8038-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
A
T
stg
V
DC
P
s
-20 / +70
-30 / +85
0
10
˚C
˚C
V
dBm
2
Jan 09, 2002
SAW Components
Low-Loss Filter
Data Sheet
B3685
90,00 MHz
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 0 - 70 ˚C
Z
S
= 200
Ω
balanced and matching network
Z
L
= 200
Ω
balanced and matching network
min.
typ.
90,0
5,3
max.
—
6,0
MHz
dB
Nominal frequency
Insertion attenuation at
f
N
(including matching network)
Passband width
Amplitude ripple
(p-p)
Absolute group delay
(at
f
N
)
Group delay ripple
(p-p)
α
rel
≤
0,5 dB
f
N
α
N
—
4,0
B
0,5dB
∆α
τ
200
—
720
—
—
850
0,15
760
30
0,4
—
0,5
800
100
1,0
kHz
dB
ns
ns
%
f
N
±
100 kHz
f
N
±
100 kHz
∆τ
EVM
α
rel
Average Error Vector Magnitude
(rms)
Relative attenuation
(relative to
α
N
)
f
N
±
1,8 MHz ...
f
N
±
6,0 MHz
f
N
±
6,0 MHz ...
f
N
±
20,0 MHz
Input and Output VSWR
f
N
±100
kHz
10
30
—
18
44
1,3:1
—
—
2,0:1
dB
dB
Impedance
at f
N
(without matching)
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
Temperature coefficient of frequency
—
—
335 || 23,8
335 || 23,8
– 18
—
—
—
Ω ||
pF
Ω ||
pF
ppm/K
TC
f
—
3
Jan 09, 2002