SAW Components
Data Sheet M 3568 M
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Standard
s
M/N
M 3568 M
45,75 MHz
Plastic package
SIP5K
Features
s
TV IF filter for quasi/split sound applications
(separate picture and sound channel)
s
Picture channel with Nyquist slope and sound
suppression, symmetrical output
s
Customized group delay predistortion
s
Sound channel with passband for sound carrier
only
Terminals
s
Tinned CuFe alloy
Dimensions in mm, approx. weight 1,0 g
Pin configuration
1
2
3
4
5
Input
Chip carrier - ground
Output - sound
Output - picture
Output - picture
Type
M 3568 M
Ordering code
B39458-M3568-M201
Marking and package
according to
C61157-A1-A15
Packing
according to
F61074-V8067-Z000
Maximum ratings
Operable temperature range
T
A
Storage temperature range
T
stg
DC voltage
AC voltage
–25/+65
–40/+85
5
10
˚C
˚C
V
V
between any terminals
between any terminals
V
DC
V
pp
2
Mar
31,
2006
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of picture 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.
13,8
max.
15,3
dB
Insertion attenuation
Reference level for the
following data
α
44,06 (44,00) MHz
12,3
Relative attenuation
Picture carrier
45,81 (45,75)
Color carrier
42,23 (42,17)
Sound carrier
41,31 (41,25)
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)
Reflected wave signal suppression
1,2
µs
... 6,0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Feedthrough signal suppression
1,3
µs
... 1,2
µs
before main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Group delay predistortion
(reference frequency 45,75 MHz)
α
rel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4,9
1,4
34,0
50,0
42,0
41,0
36,0
5,9
2,4
43,0
65,0
52,0
45,0
42,0
6,9
3,4
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
42,0
52,0
—
dB
50,0
56,0
—
dB
∆τ
—
—
50
40
—
—
42,23 (42,17) MHz
Group delay ripple
(p-p)
43,06 ... 45,81 (43,00 ... 45,75) MHz
∆τ
Impedance
at 44,06 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
ns
ns
—
—
1,1 ||19,1
1,6 || 3,1
–72
—
—
—
kΩ || pF
kΩ || pF
ppm/K
TC
f
3
—
Mar 31, 2006
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
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Frequency response of picture channel
M 3568 M
45,75 MHz
5
Mar 31, 2006
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