b39570-x7256-n201 EPCOS AG, b39570-x7256-n201 Datasheet - Page 3

• Manufacturer Part Number: b39570-x7256-n201
• Description: Components Bandpass Filter
• Manufacturer: EPCOS AG

Data Sheet
Characteristics of channel 1 (switching pin 2 connected to ground)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Insertion attenuation
Reference level for the
following data
Pass bandwidth
Relative attenuation
Lower sidelobe
Upper sidelobe
Reflected wave signal suppression
1,2 s ... 6,0 s after main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
Feedthrough signal suppression
1,3 s ... 1,2 s before main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
Group delay ripple (p-p)
Impedance at 57,08 MHz
Temperature coefficient of frequency
SAW Components
Bandpass Filter
rel
rel
3 dB
30 dB
45,08 ... 52,08 (45,00 ... 52,00) MHz
52,08 ... 53,03 (52,00 ... 52,95) MHz
60,88 ... 62,58 (60,80 ... 62,50) MHz
62,58 ... 65,08 (62,50 ... 65,00) MHz
54,53 ... 59,53 (54,45 ... 59,45) MHz
Input:
Output: Z
Z
IN
OUT
57,08 (57,00) MHz
54,53 (54,45) MHz
59,53 (59,45) MHz
54,03 (53,95) MHz
60,03 (59,95) MHz
60,39 (60,31) MHz
= R
= R
IN
OUT
|| C
|| C
IN
OUT
T
Z
Z
A
S
L
3
= 25 (45) ˚C
= 50
= 2 k || 3 pF|| 3 pF
B
B
TC
rel
3dB
30dB
Jan 05, 2005
f
min.
12,0
–0,9
–1,0
36,0
38,0
28,0
37,0
42,0
—
—
—
—
—
—
—
—
—
—
0,4||19,0
0,6|| 6,0
typ.
–72
13,5
11,0
44,0
46,0
34,0
43,0
52,0
50,0
60
6,0
7,5
0,1
0,0
3,1
2,8
max.
15,0
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1,1
1,0
57,00 MHz
X 7256 D
dB
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
k || pF
k || pF
ppm/K