
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3630
151,2 MHz
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= -5 - 75 C
Z
S
= 50
and matching network
Z
L
= 50
and matching network
1)
Temperature dependance of f
c
:
f
c
(T
A
) = f
c
(T
0
)(1 + TC
f
(T
A
– T
0
)
2
)
min.
151,2
typ.
151,2
max.
151,2
Nominal frequency
f
N
MHz
Insertion attenuation
(@ f
N
)
(including matching network)
α
min
—
8,6
9,5
dB
Passband width
α
rel
≤
3,0 dB
B
3,0dB
—
370
—
kHz
Amplitude ripple
(p-p)
α
f
N
±
95 kHz
f
N
±
120 kHz
—
—
0,4
0,8
0,6
1,5
dB
dB
Absolute group delay
(@ f
N
)
τ
—
2,1
4,0
μ
s
Group delay ripple
(p-p)
τ
f
N
±
95 kHz
f
N
±
120 kHz
—
—
0,4
0,7
0,7
0,9
μ
s
μ
s
Relative attenuation
(relative to
α
min
)
f
N
±
330 kHz ... f
N
±
600 kHz
f
N
±
600 kHz ... f
N
±
800 kHz
f
N
±
800 kHz ... f
N
±
3 MHz
f
N
±
3 MHz ... f
N
±
20 MHz
@ f
N
3,4 MHz
@ f
N
+
3,1 MHz
@ f
N
+
6,5 MHz
@ f
N
+
9,6 MHz
α
rel
9
11
27
41
48
57
52
56
48
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
22
30
42
52,5
48,5
49,5
43,5
Temperature coefficient of frequency
1)
Turnover temperature
TC
f
T
0
—
– 0,036
—
ppm/K
2
—
35
—
C