SAW Components
Data Sheet K 2973 M
2May 08, 2001
SAW Components K 2973 M
38,00 MHzIF Filter for Intercarrier Applications
Data Sheet
Plastic package SIP5K
Standard
■B/G
■D/K
Features
■TV IF filter with Nyquist slope and sound shelf
■Broad sound shelf for sound carriers at 31,50
MHz and 32,50 MHz
■Groupdelaypredistortion
Terminals
■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 2973 M B39380-K2973-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
3May 08, 2001
SAW Components K 2973 M
38,00 MHzIF Filter for Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
T
A= 25 ˚C
Terminating source impedance:
Z
S= 50 Ω
Terminating load impedance:
Z
L= 2 kΩ || 3 pF
min. typ. max.
Insertion attenuation α
Reference level for the 36,50 MHz 15,6 17,1 18,6 dB
following data
Relative attenuation αrel
Picture carrier 38,00 MHz 5,0 6,0 7,0 dB
Color carrier 33,57 MHz 0,7 1,7 2,7 dB
Sound carrier 31,50 MHz 19,1 20,6 22,1 dB
32,50 MHz 15,8 17,3 — dB
Adjacent picture carrier 30,00 MHz 45,0 54,0 — dB
Adjacent picture carrier 31,00 MHz 40,0 60,0 — dB
Adjacent sound carrier 39,50 MHz 43,0 55,0 — dB
Adjacent sound carrier 40,50 MHz 41,0 51,0 — dB
Lower sidelobe 25,00 ... 30,00 MHz 42,0 48,0 — dB
Upper sidelobe 39,50 ... 45,00 MHz 40,0 46,0 — dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse 42,0 51,0 — dB
(test pulse 250 ns,
carrier frequency 36,50 MHz)
Feedthrough signal suppression
1,2µs ... 1,1 µs before main pulse 50,0 56,0 — dB
(test pulse 250 ns,
carrier frequency 36,50 MHz)
Group delay predistortion ∆τ
(reference frequency 38,90 MHz) 34,50 MHz — –80 — ns
33,57 MHz — 0 — ns
Impedance at 36,50 MHz
Input:
Z
IN =
R
IN ||
C
IN — 2,3 ||11,8 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —3,5 || 3,1 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K
4May 08, 2001
SAW Components K 2973 M
38,00 MHzIF Filter for Intercarrier Applications
Data Sheet
Frequency response
5May 08, 2001
SAW Components K 2973 M
38,00 MHzIF Filter for Intercarrier Applications
Data Sheet
Frequency response
Time domain response
6May 08, 2001
SAW Components K 2973 M
38,00 MHzIF Filter for Intercarrier Applications
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW CE MM PD
P.O. Box 80 17 09, D-81617 München
EPCOS AG 2001. All Rights Reserved.
A
s far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
T
he information describes the type of component and shall not be considered as assured
characteristics.
T
erms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
t
he international representatives.
Due to technical requirements components may contain dangerous substances. For information on
t
he type in question please also contact one of our sales offices.
