SAW Components
Data Sheet B3815
2
May 15, 2002
SAW Components
B3815
385,0 MHz
Low-Loss Filter
Data Sheet
Ceramic package QCC8B
Features
q
Low-loss filter for Trunked Radio
q
Usable bandwidth 10 MHz
q
No matching required for operation at 50
q
Unbalanced to unbalanced or unbalanced to ba-
lanced operation
q
Package for Surface Mounted Technology
(SMT)
q
Hermetically sealed ceramic package
Terminals
q
Gold-plated
typ. Dimensions in mm, approx. weight 0,07 g
Pin configuration
5
Input
1
Output / Output balanced
2
Output ground / Output balanced
3, 6, 7
Ground
4, 8
Input ground / Case ground
Electrostatic Sensitive Device (ESD)
Type
Ordering code
Marking and Package
according to
Packing
according to
B3815
B39391-B3815-Z810
C61157-A7-A46
F61074-V8037-Z000
Maximum ratings
Operable temperature range
T
A
-30 / +70
C
Storage temperature range
T
stg
-40 / +85
C
DC voltage
V
DC
0
V
ESD voltage
V
ESD
100
V
Source power
P
s
15
dBm
source impedance 50
3
May 15, 2002
SAW Components
B3815
385,0 MHz
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
A
= +15 ... +35 C
Terminating source impedance:
Z
S
= 50
unbalanced or unbalanced to balanced
Terminating load impedance:
Z
L
= 50
unbalanced or unbalanced to balanced
min.
typ.
max.
Nominal frequency
f
N
--
385,0
--
MHz
Maximum insertion attenuation
max
380,0 MHz ... 390,0 MHz
--
2,4
3,5
dB
Amplitude ripple (p-p)
380,0 MHz ... 390,0 MHz
--
0,5
1,5
dB
Return loss (Input and Output)
380,0 MHz ... 390,0 MHz
10,0
12,0
--
dB
VSWR
380,0 MHz ... 390,0 MHz
--
1,7:1
2,0:1
Absolute attenuation
abs
0,1 MHz ... 350,0 MHz
40
50
--
dB
350,0 MHz ... 370,0 MHz
13
35
--
dB
400,0 MHz ... 430,0 MHz
10
20
--
dB
430,0 MHz ... 760,0 MHz
44
54
--
dB
760,0 MHz ... 1496,0 MHz
30
35
--
dB
1496,0 MHz ... 2600,0 MHz
20
25
--
dB
2600,0 MHz ... 4000,0 MHz
5
6
--
dB
Symmetry in band
|S
31
|/|S
21
|
380,0
... 390,0
MHz
-0,5
0,5
1,5
dB
arg(S
31
/S
21
)
380,0
... 390,0
MHz
170
180
190
Temperature coefficient of frequency
TC
f
--
70
--
ppm/K
4
May 15, 2002
SAW Components
B3815
385,0 MHz
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
T
A
= -30 ... +70 C
Terminating source impedance:
Z
S
= 50
unbalanced or unbalanced to balanced
Terminating load impedance:
Z
L
= 50
unbalanced or unbalanced to balanced
min.
typ.
max.
Nominal frequency
f
N
--
385,0
--
MHz
Maximum insertion attenuation
max
380,0 MHz ... 390,0 MHz
--
2,6
4,0
dB
Amplitude ripple (p-p)
380,0 MHz ... 390,0 MHz
--
0,7
2,0
dB
Return loss (Input and Output)
380,0 MHz ... 390,0 MHz
10,0
12,0
--
dB
VSWR
380,0 MHz ... 390,0 MHz
--
1,8:1
2,0:1
Absolute attenuation
abs
0,1 MHz ... 350,0 MHz
40
50
--
dB
350,0 MHz ... 370,0 MHz
13
25
--
dB
400,0 MHz ... 430,0 MHz
10
17
--
dB
430,0 MHz ... 760,0 MHz
44
52
--
dB
760,0 MHz ... 1496,0 MHz
30
35
--
dB
1496,0 MHz ... 2600,0 MHz
20
25
--
dB
2600,0 MHz ... 4000,0 MHz
5
6
--
dB
Symmetry in band
|S
31
|/|S
21
|
380,0
... 390,0
MHz
-0,5
0,5
1,5
dB
arg(S
31
/S
21
)
380,0
... 390,0
MHz
170
180
190
Temperature coefficient of frequency
TC
f
--
70
--
ppm/K
5
May 15, 2002
SAW Components
B3815
385,0 MHz
Low-Loss Filter
Data Sheet
Transfer function
Normalized transfer function (pass band; +15 C ... +35 C)
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