SAW multimedia filters
Series/Type:
M3954D
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39458M3954N201
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.
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SAW Components
SAW IF filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
M 3954 D
45.75 MHz
T
A
= 25 (40) ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
@ 25 ˚C
11.4
max.
Insertion attenuation
Reference level for the
following data
Relative attenuation
Picture carrier
Color carrier
α
44.05 (44.00) MHz
9.9
12.9
dB
α
rel
45.80 (45.75)
46.55 (46.50)
42.22 (42.17)
41.72 (41.67)
41.97 (41.92)
41.30 (41.25)
40.30 (40.25)
39.80 (39.75)
47.30 (47.25)
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4.8
—
0.3
—
2.8
22.0
40.0
50.0
48.0
42.0
40.0
5.8
24.0
1.3
8.9
3.8
26.0
48.0
60.0
60.0
47.0
45.0
6.8
—
2.3
—
4.8
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Sound carrier
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
35.05 ... 39.80 (35.00 ... 39.75) MHz
Upper sidelobe
47.30 ... 55.05 (47.25 ... 55.00) MHz
Reflected wave signal suppression
1.2
µs
... 6.0
µs
after main pulse
(test pulse 250 ns, carrier frequency 44.05 MHz)
Feedthrough signal suppression
1.3
µs
... 1.2
µs
before main pulse
(test pulse 250 ns, carrier frequency 44.05 MHz)
Group delay predistortion
42.0
50.0
—
dB
50.0
56.0
—
dB
∆τ
—
—
—
—
–90
20
1.0 || 17.9
0.7 || 5.4
–72
—
—
—
—
—
ns
ns
kΩ || pF
kΩ || pF
ppm/K
(reference frequency 45.80 MHz)
41.72 (41.67) MHz
42.22 (42.17) MHz
Impedance
at 44.05 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
TC
f
—
Please read
cautions and warnings and
important notes
at the end of this document.
3
Oct 12, 2006
SAW Components
SAW IF filter
Data Sheet
M 3954 D
45.75 MHz
Maximum ratings
Operable temperature range T
Storage temperature range T
stg
DC voltage
AC voltage
V
DC
V
pp
–25 / +65 ˚C
–40 / +85 ˚C
5
10
V
V
between any terminals
Please read
cautions and warnings and
important notes
at the end of this document.
4
Oct 12, 2006
SAW Components
SAW IF filter
Data Sheet
Frequency response
M 3954 D
45.75 MHz
Please read
cautions and warnings and
important notes
at the end of this document.
5
Oct 12, 2006
SAW Components
SAW IF filter
Data Sheet
Frequency response
M 3954 D
45.75 MHz
Time domain response
Please read
cautions and warnings and
important notes
at the end of this document.
6
Oct 12, 2006
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