B39231-B4846-U310 EPCOS Inc, B39231-B4846-U310 Datasheet - Page 3

• Manufacturer Part Number: B39231-B4846-U310
• Manufacturer: EPCOS Inc

Specifications of B39231-B4846-U310

• Saw Filter Type: Low-Loss Filter
• Center Frequency: 225.01MHz
• Insertion Loss: 4.5dB
• Pass Band Ripple (db): 3dB
• Group Delay (max): 1.8us
• Termination Impedance: 860Ohm//2pF
• Package Type: QCC8C
• Case Height: 1.35mm
• Case Length: 5mm
• Case Depth: 5mm
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temp Range: -25C to 80C
• Lead Free Status / RoHS Status: Compliant

Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
Minimum insertion attenuation
(including loss in baluns and matching elements)
Amplitude ripple (p-p)
Group delay ripple (p-p)
Relative attenuation (relative to
Impedance within the passband
Temperature coefficient of frequency
Frequency inversion point
SAW Components
Low-Loss Filter for Mobile Communication
1)
Temperature dependence of f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
- 67,5 kHz
- 80,0 kHz
- 50,0 kHz
- 67,5 kHz
- 80,0 kHz
- 15,00 MHz ...
- 5,00 MHz
- 2,00 MHz
- 0,60 MHz
- 0,40 MHz
+ 0,20 MHz
+ 0,40 MHz
+ 0,60 MHz
+ 2,00 MHz
+ 3,00 MHz
Input:
Output: Z
Z
...
...
...
...
...
...
...
...
...
...
...
...
...
...
IN
OUT
= R
= R
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
c
:
+ 67,5 kHz
+ 80,0 kHz
+ 50,0 kHz
+ 67,5 kHz
+ 80,0 kHz
- 5,00 MHz
- 2,00 MHz
- 0,60 MHz
- 0,40 MHz
- 0,20 MHz
+ 0,40 MHz
+ 0,60 MHz
+ 2,00 MHz
+ 5,0 MHz
+ 15,0 MHz
min
IN
OUT
f
)
c
( T ) = f
|| C
|| C
1)
IN
OUT
c
T
Z
Z
( T
S
L
3
0
)(1 + TC
f
TC
T
= 25 ˚C
= 860
= 860
c
min
rel
0
Feb 03, 2005
f
f
( T – T
min.
-2,0pf
42
42
36
26,5
26,5
36
43
42
—
—
—
—
—
—
—
—
—
—
-2,0pf
3,0
6,5
6,5
0
)
2
)
860 || 2,0
860 || 2,0
-0,036
225,01
typ.
45
46
37
29
12
12
29
37
47
45
25
3,9
0,6
0,7
0,2
0,3
0,6
max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4,5
1,6
3,0
1,3
1,5
1,8
225,0 MHz
B4846
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/K
˚C
s
s
s
|| pF
|| pF
2