EPCOS X6855D

SAW Components
Data Sheet X 6855 D
SAW Components
X 6855 D
Bandpass Filter
44,00 MHz
Data Sheet
Duroplast package SIP5D
Features
■ IF filter for digital TV
■ Standard IC package
■ Unbalance input option
1
2
3
4
5
2,4
3,4
4,8
13,7
0,65
Terminals
4x 2,54
0,38
■ Tinned CuFe alloy
Dimensions in mm, approx. weight 0,5 g
Pin configuration
1
2
3
4
5
Input
Input
Chip carrier - ground
Output
Output
Type
Ordering code
X 6855 D
B39440-X6855-N201
Marking and package
according to
C61157-A1-A21
Packing
according to
F61074-V8049-Z000
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
AC voltage
TA
Tstg
VDC
Vpp
–25/+65
˚C
–40/+85
5
10
˚C
V
V
2
between any terminals
between any terminals
Jun 22, 2005
SAW Components
X 6855 D
Bandpass Filter
44,00 MHz
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 (45) ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
min.
Center Frequency
(center between 3dB points)
fc
Insertion attenuation
Reference level for the
following data
α
typ.
max.
—
44,00
—
15,8
17,3
18,8
dB
7,9
9,6
—
—
MHz
MHz
—
—
1,2
2,8
–0,2
1,3
2,4
4,0
—
—
—
—
dB
dB
dB
dB
40,0
36,0
46,0
44,0
—
—
dB
35,0
40,0
41,0
48,0
—
—
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse
(test pulse 250 ns, carrier frequency 44,06 MHz)
42,0
54,0
—
dB
Feedthrough signal suppression
1,3 µs ... 1,2 µs before main pulse
(test pulse 250 ns, carrier frequency 44,06 MHz)
50,0
56,0
—
dB
—
50
—
ns
—
2,0 ||17,0
1,6 || 4,5
—
kΩ || pF
—
kΩ || pF
—
ppm/K
44,06 (44,00) MHz
Pass bandwidth
αrel < 3 dB
αrel < 30 dB
B3dB
B30dB
Relative attenuation
αrel
40,53 (40,47) MHz
47,59 (47,53) MHz
40,06 (40,00) MHz
48,06 (48,00) MHz
Lower sidelobe
35,06 ... 38,06 (35,00 ... 38,00) MHz
38,06 ... 39,06 (38,00 ... 39,00) MHz
Upper sidelobe
49,06 ... 50,26 (49,00 ... 50,20) MHz
50,26 ... 55,06 (50,20 ... 55,00) MHz
Group delay ripple (p-p)
∆τ
40,06 ... 48,06 (40,00 ... 48,00) MHz
Impedance at 44,06 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
—
—
TCf
Temperature coefficient of frequency
3
—
Jun 22, 2005
–72
SAW Components
X 6855 D
Bandpass Filter
44,00 MHz
Data Sheet
Frequency response
4
Jun 22, 2005
SAW Components
X 6855 D
Bandpass Filter
44,00 MHz
Data Sheet
Frequency response
Time domain response
5
Jun 22, 2005
SAW Components
X 6855 D
Bandpass Filter
44,00 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW CE MM PD
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 2005. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
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.
6
Jun 22, 2005