SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of sound channel
Reference temperature:
Terminating source impedance:
Terminating load impedance:
M 3568 M
45,75 MHz
T
A
= 25 (45) ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
11,7
max.
13,2
dB
Insertion attenuation
Reference level for the
following data
α
41,31 (41,25) MHz
10,2
Relative attenuation
Picture carrier
45,81 (45,75)
Color carrier
42,23 (42,17)
Adjacent picture carrier
39,81 (39,75)
Adjacent sound carrier
47,31 (47,25)
Lower sidelobe
35,06 ... 39,81 (35,00 ... 39,75)
Upper sidelobe
47,31 ... 55,06 (47,25 ... 55,00)
α
rel
MHz
MHz
MHz
MHz
MHz
MHz
38,0
13,0
32,0
40,0
32,0
38,0
50,0
16,0
37,0
50,0
40,0
42,0
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Impedance
at 41,31 MHz
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
—
3,3 || 2,6
–72
—
—
kΩ || pF
ppm/K
TC
f
—
4
Mar 31, 2006