3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
B3633
214,4256 MHz
T
Z
S
= 50
and matching elements
Z
L
= 200
and matching elements
= 0 C to 70 C
1)
Temperature dependence of f
c
:
f
c
(T) = f
c
(T
0
)(1 + TC
f
(T – T
0
)
2
)
min.
—
typ.
max.
—
Nominal frequency
f
N
214,4256
MHz
Minimum insertion attenuation
(including losses in matching network)
α
min
—
4,6
5,5
dB
Passband width
α
rel
≤
3,0 dB
B
3,0dB
—
430
—
kHz
Amplitude ripple
(p-p)
f
N
- 100,0 kHz
f
N
- 160,0 kHz
α
...
...
f
N
+ 100,0 kHz
f
N
+ 160,0 kHz
—
—
0,6
1,4
2,0
3,0
dB
dB
Group delay ripple
(p-p)
f
N
- 160,0 kHz
τ
...
f
N
+ 160,0 kHz
—
0,8
1,0
μ
s
Relative attenuation
(relative to
α
min
)
f
N
±
0,461 MHz
f
N
±
0,507 MHz
f
N
±
0,614 MHz
f
N
±
0,800 MHz
f
N
±
0,921 MHz
f
N
±
1,500 MHz
f
N
±
2,000 MHz
f
N
±
5,000 MHz
α
rel
...
...
...
...
...
...
...
...
f
N
±
0,507 MHz
f
N
±
0,614 MHz
f
N
±
0,800 MHz
f
N
±
0,921 MHz
f
N
±
1,500 MHz
f
N
±
2,000 MHz
f
N
±
5,000 MHz
f
N
±
100,0 MHz
10
15
22
27
30
35
37
40
23
26
28
39
38
44
42
50
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
Impedance
at f
N
Input:
Output: Z
IN
= R
IN
|| C
IN
Z
IN
= R
IN
|| C
IN
—
—
630 || 5,6
630 || 5,6
—
—
|| pF
|| pF
Temperature coefficient of frequency
1)
Frequency inversion point
TC
f
T
0
—
– 0,03
—
ppm/K
2
—
30
—
C