
3
Aug 02, 2000
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Group delay aperture:
B3664
230,0 MHz
T
A
= 0 ... 70 C
Z
S
= 50
and external matching network
Z
L
= 50
and external matching network
150 kHz
1)
Temperature dependance of f
c
:
f
c
(T
A
) = f
c
(T
0
)(1 + TC
f
(T
A
– T
0
)
2
)
min.
—
typ.
230,0
max.
—
Nominal frequency
f
N
MHz
Minimum insertion attenuation
α
min
—
17
20
dB
Passband width
B
1,5dB
α
rel
≤
1,5 dB
—
4,4
—
MHz
Amplitude ripple
(p-p)
α
f
N
±
1,92 MHz
—
0,5
1,3
dB
Absolute group delay
(at f
N
)
τ
—
1,47
—
μ
s
Group delay ripple
(p-p)
τ
f
N
±
1,92 MHz
—
50
75
ns
Deviation of linear phase
(p-p)
f
N
±
1,92 MHz
—
3
5
Relative attenuation
(relative to
α
min
)
f
N
110,0 MHz
f
N
20,0 MHz
f
N
10,0 MHz
f
N
±
3,08 MHz
f
N
+
8,0
α
rel
... f
N
20,0 MHz
... f
N
10,0 MHz
... f
N
8,0
... f
N
±
8,0
... f
N
+
110,0 MHz
55
50
45
27
45
60
53
50
32
50
—
—
—
—
—
dB
dB
dB
dB
dB
MHz
MHz
MHz
Temperature coefficient of frequency
1)
Turnover temperature
TC
f
T
0
—
–0,036
—
ppm/K
2
—
30
—
C