EPCOS B39570-X7256-N201

SAW Components
Data Sheet X 7256 D
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Duroplast package SIP5D
Features
■ IF filter for ISDB-T
■ Switchable between two bandwidths
■ Standard IC package
1
2
3
4
5
2,4
4,8
13,7
3,4
Terminals
■ Tinned CuFe alloy
0,65
0,38
4x 2,54
Dimensions in mm, approx. weight 0,5 g
1
Pin configuration
1
2
3
4
5
Input
Switching input
Chip carrier – ground
Output
Output
4
2
5
3
Type
Ordering code
X 7256 D
B39570-X7256-N201
Marking and package
according to
C61157-A1-A21
Packing
according to
F61074-V8049-Z000
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
DC voltage
AC voltage
VDC
Vpp
–25/+65
–40/+85
˚C
˚C
5
10
V
V
2
between any terminals
between any terminals
Jan 05, 2005
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Characteristics of channel 1 (switching pin 2 connected to ground)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 (45) ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF|| 3 pF
min.
Insertion attenuation
Reference level for the
following data
typ.
max.
α
57,08 (57,00) MHz
12,0
Pass bandwidth
αrel ≤3 dB
αrel ≤30 dB
B3dB
B30dB
Relative attenuation
αrel
54,53 (54,45)
59,53 (59,45)
54,03 (53,95)
60,03 (59,95)
60,39 (60,31)
—
—
13,5
6,0
7,5
15,0
dB
—
—
MHz
MHz
MHz
MHz
MHz
MHz
MHz
–0,9
–1,0
—
—
—
0,1
0,0
3,1
2,8
11,0
1,1
1,0
—
—
—
dB
dB
dB
dB
dB
(45,00 ... 52,00) MHz
(52,00 ... 52,95) MHz
36,0
38,0
44,0
46,0
—
—
dB
dB
(60,80 ... 62,50) MHz
(62,50 ... 65,00) MHz
28,0
37,0
34,0
43,0
—
—
dB
dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
42,0
52,0
—
dB
Feedthrough signal suppression
1,3 µs ... 1,2 µs before main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
—
50,0
—
dB
—
60
—
ns
—
0,4||19,0
0,6|| 6,0
—
kΩ || pF
—
kΩ || pF
—
ppm/K
Lower sidelobe
45,08 ... 52,08
52,08 ... 53,03
Upper sidelobe
60,88 ... 62,58
62,58 ... 65,08
Group delay ripple (p-p)
∆τ
54,53 ... 59,53 (54,45 ... 59,45) MHz
Impedance at 57,08 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
TCf
Temperature coefficient of frequency
3
—
Jan 05, 2005
–72
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Characteristics of channel 2 (switching pin 2 connected to pin 1)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 (45) ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF || 3 pF
min.
Insertion attenuation
Reference level for the
following data
typ.
max.
α
57,08 (57,00) MHz
10,7,
Pass bandwidth
αrel ≤3 dB
αrel ≤30 dB
B3dB
B30dB
Relative attenuation
αrel
12,2
13,7
dB
—
—
4,1
5,6
—
—
MHz
MHz
—
—
—
—
0,6
0,4
45,0
11,0
—
—
—
—
dB
dB
dB
dB
(45,00 ... 51,50) MHz
(51,50 ... 53,75) MHz
39,0
32,0
47,0
40,0
—
—
dB
dB
(59,95 ... 62,50) MHz
(62,50 ... 65,00) MHz
30,0
37,0
38,0
43,0
—
—
dB
dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
42,0
53,0
—
dB
Feedthrough signal suppression
1,3 µs ... 1,2 µs before main pulse
(test pulse 250 ns, carrier frequency 57,08 MHz)
—
50,0
—
dB
—
50
—
ns
—
0,4||24,0
0,6|| 6,0
—
kΩ || pF
—
kΩ || pF
—
ppm/K
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
45,08 ... 51,58
51,58 ... 53,83
Upper sidelobe
60,03 ... 62,58
62,58 ... 65,08
55,18 (55,10) MHz
58,58 (58,50) MHz
53,83 (53,75) MHz
59,33 (59,25) MHz
Group delay ripple (p-p)
∆τ
55,68 ... 58,08 (55,60 ... 58,00) MHz
Impedance at 57,08 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
TCf
Temperature coefficient of frequency
4
—
Jan 05, 2005
–72
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Frequency response of channel 1
5
Jan 05, 2005
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Frequency response of channel 1
Time domain response of channel 1
6
Jan 05, 2005
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Frequency response of channel 2
7
Jan 05, 2005
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Frequency response of channel 2
Time domain response of channel 2
8
Jan 05, 2005
SAW Components
X 7256 D
Bandpass Filter
57,00 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW CE MM PD
P.O. Box 80 17 09, 81617 Munich, GERMANY
 EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of
the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
9
Jan 05, 2005