SAW multimedia filters
Series/Type:
X7050L
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39438X7050L100
Substitute Product
Date of Withdrawal
2011-01-14
Deadline Last
Orders
2011-09-30
Last Shipments
2012-09-30
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
SAW Components
Bandpass Filter
Data Sheet
X 7050 L
43,75 MHz
Duroplast package
DIP18D
Features
s
s
s
s
IF filter for digital cable TV
Constant group delay
Surface Mounted Technology
(SMT)
Standard IC small outline (SO) package
Terminals
s
Tinned CuFe alloy
Dimensions in mm, approx. weight 0,5 g
Pin configuration
17
16
7,8
1,4,5,6,9,10,
13,14,15,18
2,3,11,12
Input
Input - ground
Output
Chip carrier - ground
Not connected
Type
X 7050 L
Ordering code
B39438-X7050-L100
Marking and package
according to
C61157-A2-A4
Packing
according to
F61074-V8058-Z000
Maximum ratings
Operable temperature range
T
A
Storage temperature range
DC voltage
AC voltage
–25/+65
–40/+85
5
10
˚C
˚C
V
V
0 V between any terminals
between any terminals
between any terminals
T
stg
V
DC
V
pp
2
May 08, 2001
SAW Components
Bandpass Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
X 7050 L
43,75 MHz
T
A
= 25 (45) ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
43,75
max.
43,82 MHz
Center frequency
(center between 3 dB points)
Insertion attenuation
Reference level for the
following data
Pass bandwidth
α
rel
≤3
dB
α
rel
≤30
dB
Relative attenuation
41,28 (41,22)
46,34 (46,28)
40,81 (40,75)
46,81 (46,75)
39,81 (39,75)
47,81 (47,75)
Lower sidelobe
35,06 ... 38,81
38,81 ... 39,81
Upper sidelobe
47,81 ... 48,81
48,81 ... 55,06
MHz
MHz
MHz
MHz
MHz
MHz
43,81 (43,75) MHz
f
C
α
43,68
13,0
14,5
16,0
dB
B
3dB
B
30dB
α
rel
—
—
–0,7
–0,7
1,5
1,5
38,0
36,0
42,0
37,0
35,0
42,0
6,0
7,6
0,3
0,3
2,7
2,7
50,0
48,0
49,0
43,0
41,0
47,0
—
—
1,3
1,3
3,9
3,9
—
—
—
—
—
—
MHz
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
(35,00 ... 38,75) MHz
(38,75 ... 39,75) MHz
(47,75 ... 48,75) MHz
(48,75 ... 55,00) MHz
Reflected wave signal suppression
1,2
µs
... 6,0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 43,81 MHz)
Feedthrough signal suppression
1,3
µs
... 1,2
µs
before main pulse
(test pulse 250 ns,
carrier frequency 43,81 MHz)
∆τ
Group delay ripple
(p–p)
40,81 ... 46,81 (40,75 ... 46,75) MHz
Impedance
at 43,81 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
3
42,0
52,0
—
dB
—
56,0
—
dB
—
—
—
40
1,2 ||16,6
1,2 || 4,6
–72
—
—
—
—
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
—
May 08, 2001
SAW Components
Bandpass Filter
Data Sheet
Frequency response
X 7050 L
43,75 MHz
4
May 08, 2001
SAW Components
Bandpass Filter
Data Sheet
Frequency response
X 7050 L
43,75 MHz
Time domain response
5
May 08, 2001