SAW Components
IF Filter for Intercarrier Applications
Data Sheet
Standard
s
B/G
s
D/K
K 2971 M
38,90 MHz
Plastic package
SIP5K
Features
s
TV IF filter with Nyquist slope and sound shelf
s
Broad sound shelf for sound carriers at 32,40
MHz and 33,40 MHz
s
Group delay predistortion
Terminals
s
Tinned CuFe alloy
Dimensions in mm, approx. weight 1,0 g
Pin configuration
1
2
3
4
5
Input
Input - ground
Chip carrier - ground
Output
Output
Type
K 2971 M
Ordering code
B39389-K2971-M100
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
V
DC
AC voltage
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 Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
K 2971 M
38,90 MHz
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
typ.
16,3
max.
17,8
dB
Insertion attenuation
Reference level for the
following data
Relative attenuation
Picture carrier
Color carrier
Sound carrier
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
Upper sidelobe
α
37,40 MHz
14,8
α
rel
38,90
34,47
32,40
33,40
30,90
40,40
41,40
25,00 ... 30,90
40,40 ... 45,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4,8
-0,3
17,1
17,7
46,0
43,0
42,0
44,0
40,0
5,8
0,7
18,6
19,2
56,0
52,0
51,0
51,0
46,0
6,8
1,7
20,1
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
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)
36,50 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
53,0
—
dB
50,0
56,0
—
dB
—
—
—
—
–70
20
2,0 ||12,1
3,0 || 2,8
–72
—
—
—
—
—
ns
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
—
3
May 08, 2001
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