SAW Components
Data Sheet G 3355 K
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Standard
s
B/G
G 3355 K
38,90 MHz
Plastic package
DIP10K
Features
s
TV IF filter for quasi/split sound applications
s
s
s
s
(separate picture and sound channel)
Picture channel with Nyquist slope and sound
suppression
Group delay predistortion
Sound channel with passband only for sound
carriers at 33,40 MHz and 33,05 MHz (NICAM)
Suitable for CENELEC EN 55020
Terminals
s
Tinned CuFe alloy
Dimensions in mm, approx. weight 1,8 g
Pin configuration
1
2
3; 8
4; 5
6; 7
9
10
Input
Input - ground
Chip carrier - ground
Output - sound
Output - picture
Free
Not connected
Type
G 3355 K
Ordering code
B39389-G3355-K100
Marking and package
according to
C61157-A2-A3
Packing
according to
F61074-V8068-Z000
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
AC voltage
T
A
T
stg
V
DC
V
pp
–25/+65
–40/+85
12
10
˚C
˚C
V
V
between any terminals
between any terminals
2
May 08, 2001
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of picture channel
Reference temperature:
Terminating source impedance:
Terminating load impedance:
G 3355 K
38,90 MHz
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
14,0
max.
15,5
dB
Insertion attenuation
Reference level for the
following data
Relative attenuation
Picture carrier
Color carrier
Sound carrier
Adjacent picture carrier
α
37,40 MHz
12,5
α
rel
38,90
34,47
33,40
30,90
31,90
32,40
40,15
40,40
41,40
25,00 ... 31,90
40,40 ... 45,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
5,0
–0,6
30,0
46,0
48,0
46,0
38,0
46,0
45,0
40,0
40,0
6,0
0,4
48,0
60,0
56,0
55,0
48,0
60,0
59,0
46,0
46,0
7,0
1,4
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Adjacent sound carrier
Lower sidelobe
Upper sidelobe
Reflected wave signal suppression
1,2
µs
... 6,0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
Feedthrough signal suppression
1,2
µs
... 1,1
µs
before main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
Group delay predistortion
(reference frequency 38,90 MHz)
36,30 MHz
34,47 MHz
Impedance
at 37,40 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
∆τ
42,0
52,0
—
dB
—
56,0
—
dB
—
—
—
—
–55
40
1,0 || 24,4
1,6 || 3,9
–72
—
—
—
—
—
ns
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
—
3
May 08, 2001
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of sound channel
Reference temperature:
Terminating source impedance:
Terminating load impedance:
G 3355 K
38,90 MHz
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
14,2
max.
15,7
dB
Insertion attenuation
Reference level for the
following data
Relative attenuation
Sound carrier
Picture carrier
Color carrier
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
Upper sidelobe
α
33,05 MHz
12,7
α
rel
33,40
38,90
34,47
30,90
31,90
40,40
41,40
25,00 ... 31,90
38,90 ... 45,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
1,0
42,0
28,0
30,0
32,0
42,0
42,0
28,0
38,0
2,0
56,0
35,0
37,0
41,0
53,0
54,0
34,0
46,0
3,0
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Impedance
at 33,05 MHz
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
—
4,1 || 2,6
–72
—
—
kΩ || pF
ppm/K
TC
f
—
4
May 08, 2001
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Frequency response of picture channel
G 3355 K
38,90 MHz
5
May 08, 2001
Microcontroller MCU
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