b39570-x7256-n201 EPCOS AG, b39570-x7256-n201 Datasheet - Page 4

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b39570-x7256-n201

Manufacturer Part Number
b39570-x7256-n201
Description
Components Bandpass Filter
Manufacturer
EPCOS AG
Datasheet
Data Sheet
Characteristics of channel 2 (switching pin 2 connected to pin 1)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
Insertion attenuation
Reference level for the
following data
Pass bandwidth
Relative attenuation
Adjacent picture carrier
Adjacent sound carrier
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 ... 51,58 (45,00 ... 51,50) MHz
51,58 ... 53,83 (51,50 ... 53,75) MHz
60,03 ... 62,58 (59,95 ... 62,50) MHz
62,58 ... 65,08 (62,50 ... 65,00) MHz
55,68 ... 58,08 (55,60 ... 58,00) MHz
Input:
Output: Z
Z
IN
OUT
57,08 (57,00) MHz
55,18 (55,10) MHz
58,58 (58,50) MHz
53,83 (53,75) MHz
59,33 (59,25) MHz
= R
= R
IN
OUT
|| C
|| C
IN
OUT
T
Z
Z
A
S
L
4
= 25 (45) ˚C
= 50
= 2 k || 3 pF || 3 pF
B
B
TC
rel
3dB
30dB
Jan 05, 2005
f
min.
10,7,
39,0
32,0
30,0
37,0
42,0
0,4||24,0
0,6|| 6,0
typ.
–72
12,2
45,0
11,0
47,0
40,0
38,0
43,0
53,0
50,0
50
4,1
5,6
0,6
0,4
max.
13,7
57,00 MHz
X 7256 D
dB
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
k || pF
k || pF
ppm/K

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