SAW Components
Data Sheet B3807
SAW Components
Low-Loss Filter
Data Sheet
B3807
326,4 MHz
Ceramic package
QCC8C
Features
q
Low-loss IF filter for W-CDMA base station
q
Usable bandwidth 15 MHz
q
Ceramic SMD package
Terminals
q
Gold plated
Dimensions in mm, approx. weight 0,10 g
Pin configuration
7
7
6
3
2
1, 4, 5, 8
Input
Input Ground
Output
Output Ground
Ground
3
6
4,8
2
Type
B3807
Ordering code
B39331-B3807-U310
Marking and Package
according to
C61157-A7-A56
Packing
according to
F61074-V8070-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
0
15
˚C
˚C
V
dBm
2
Aug 12, 2002
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
B3807
326,4 MHz
T
= -10 .. +80 ˚C
Z
S
=50
Ω
and matching network
Z
S
=50
Ω
and matching network
min.
typ.
326,4
2,0
max.
—
4,0
MHz
dB
Nominal frequency
Minimum insertion attenuation
Amplitude ripple
(p-p)
f
N
-2,5 MHz...f
N
+2,5 MHz
f
N
-7,5 MHz...f
N
+7,5 MHz
Pass bandwidth
α
rel
≤
1,0 dB
f
N
α
min
∆α
—
—
—
—
0,3
1,0
0,5
3,0
dB
dB
B
1,0dB
—
15
20
—
—
MHz
MHz
B
10dB
α
rel
≤
10 dB
Relative attenuation
(relative to
α
min
)
10,0 MHz
...
...
f
N
−38,395
MHz
...
f
N
−19,195
MHz
...
f
N
−
18,0 MHz
...
f
N
+
12,5 MHz
...
f
N
+ 30,0 MHz
Group delay ripple
(p-p)
f
N
- 7,5 MHz...f
N
- 2,5 MHz
f
N
- 2,5 MHz...f
N
+2,5 MHz
f
N
+2,5 MHz...f
N
+7,5 MHz
Return Loss
f
N
-2,5 MHz...f
N
+2,5 MHz
f
N
-7,0 MHz...f
N
+7,0 MHz
f
N
-7,5 MHz...f
N
+7,5 MHz
Impedance
at f
N
(without matching)
1
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
Temperature coefficient of frequency
1
(port
—
α
rel
f
N
−
18,0 MHz
f
N
−38,405
MHz
f
N
−19,205
MHz
f
N
−
12,5 MHz
f
N
+
30,0 MHz
f
N
+
450,0 MHz
∆τ
40
43
43
13
11
25
50
50
50
15
13
30
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
—
—
—
90
15
50
110
25
65
ns
ns
ns
10
8
5
11
10
8
—
—
—
dB
dB
dB
—
—
72 || 0,4
73 || 0,2
– 70
—
—
—
Ω ||
pF
Ω ||
pF
ppm/K
TC
f
—
extensions directly at filter)
3
Aug 12, 2002
SAW Components
Low-Loss Filter
Data Sheet
Matching network to 50
Ω
(Element values depend upon PCB layout)
B3807
326,4 MHz
L
s1
= 22 nH
C
p2
= 2,7 pF
C
p3
= 2,7 pF
L
s4
= 22 nH
4
Aug 12, 2002
SAW Components
Low-Loss Filter
Data Sheet
Normalized frequency response
B3807
326,4 MHz
Normalized frequency response
(pass band)
5
Aug 12, 2002