2
May 08, 2001
SAW Components
K 2971 M
38,90 MHz
IF Filter for Intercarrier Applications
Data Sheet
Plastic package SIP5K
Standard
s
B/G
s
D/K
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
Pin configuration
1
Input
2
Input - ground
3
Chip carrier - ground
4
Output
5
Output
Type
Ordering code
Marking and package
according to
Packing
according to
K 2971 M
B39389-K2971-M100
C61157-A1-A15
F61074-V8067-Z000
Maximum ratings
Operable temperature range
T
A
25/+65
C
Storage temperature range
T
stg
40/+85
C
DC voltage
V
DC
12
V
between any terminals
AC voltage
V
pp
10
V
between any terminals
Dimensions in mm, approx. weight 1,0 g
3
May 08, 2001
SAW Components
K 2971 M
38,90 MHz
IF Filter for Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
T
A
= 25 C
Terminating source impedance:
Z
S
= 50
Terminating load impedance:
Z
L
= 2 k
|| 3 pF
min.
typ.
max.
Insertion attenuation
Reference level for the
37,40 MHz
14,8
16,3
17,8
dB
following data
Relative attenuation
rel
Picture carrier
38,90 MHz
4,8
5,8
6,8
dB
Color carrier
34,47 MHz
-0,3
0,7
1,7
dB
Sound carrier
32,40 MHz
17,1
18,6
20,1
dB
33,40 MHz
17,7
19,2
--
dB
Adjacent picture carrier
30,90 MHz
46,0
56,0
--
dB
Adjacent sound carrier
40,40 MHz
43,0
52,0
--
dB
41,40 MHz
42,0
51,0
--
dB
Lower sidelobe
25,00 ... 30,90 MHz
44,0
51,0
--
dB
Upper sidelobe
40,40 ... 45,00 MHz
40,0
46,0
--
dB
Reflected wave signal suppression
1,2
s ... 6,0
s after main pulse
42,0
53,0
--
dB
(test pulse 250 ns,
carrier frequency 37,40 MHz)
Feedthrough signal suppression
1,2
s ... 1,1
s before main pulse
50,0
56,0
--
dB
(test pulse 250 ns,
carrier frequency 37,40 MHz)
Group delay predistortion
(reference frequency 38,90 MHz)
36,50 MHz
--
70
--
ns
34,47 MHz
--
20
--
ns
Impedance at 37,40 MHz
Input:
Z
IN
=
R
IN
||
C
IN
--
2,0 ||12,1
--
k
|| pF
Output:
Z
OUT
=
R
OUT
||
C
OUT
--
3,0 || 2,8
--
k
|| pF
Temperature coefficient of frequency
TC
f
--
72
--
ppm/K
PDF 
ZIP
