B3898 Epcos, B3898 Datasheet - Page 3

• Manufacturer Part Number: B3898
• Description: SAW Components SAW IF Filter 172.80 MHz
• Manufacturer: Epcos

Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
Group delay aperture:
Nominal frequency
Minimum insertion attenuation
(including matching network)
Amplitude ripple (p-p)
Group delay ripple (p-p)
Group delay
VSWR
Phase ripple (p-p)
Pass bandwidth
Adjacent channel selectivity
Relative attenuation (relative to
Impedance at f
Temperature coefficient of frequency
Please read cautions and warnings and
important notes at the end of this document.
SAW Components
SAW IF filter
Input:
Output: Z
f
f
f
f
N
N
N
N
11.0 ... f
25.0 ... f
34.0 ... f
N
8.0 ... f
(without matching)
Z
OUT
IN
= R
= R
N
N
N
N
OUT
f
f
@ f
f
f
IN
N
N
N
N
rel
N
|| C
|| C
11.0 MHz
4.42 MHz
4.42 MHz
4.42 MHz
4.42 MHz
34.0 MHz
100 MHz
25.0 MHz
1.5 dB
IN
OUT
min
)
f
B
ACS
TC
N
T
Z
Z
min
1.5dB
rel
S
L
f
3
=
=
=
Jun 12, 2006
min.
8.84
–10 to 85 ˚C
50
200
—
—
—
—
100 kHz
17
27
35
45
55
—
—
—
—
—
—
single ended and matching network
balanced and matching network
646 || 13.4
932 || 10.4
@ 25 ˚C
1.3:1
– 18
172.8
780
typ.
10.6
0.8
9.2
70
10
22
32
45
60
70
1000
3.0:1
max.
12.5
200
—
1.5
—
—
—
—
13
—
—
—
—
—
MHz
dB
dB
ns
ns
˚
MHz
dB
dB
dB
dB
dB
ppm/K
172.80 MHz
pF
pF
B3898