SAW multimedia filters
Series/Type: M1971M
The following products presented in this data sheet are being withdrawn.
Ordering Code Substitute Product Date of Withdrawal Deadline Last
Orders Last Shipments
B39458M1971M100 2011-01-14 2011-09-30 2012-09-30
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a
suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales.
2Mar 31, 2006
SAW Components M 1971 M
45,75 MHzIF Filter for Intercarrier Applications
Data Sheet
Plastic package SIP5K
Standard
■M/N
Features
■TV IF filter with Nyquist slope and sound shelf
■Constant group delay
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
M 1971 M B39458-M1971-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 5Vbetween any terminals
AC voltage
V
pp 10 V between any terminals
Dimensions in mm, approx. weight 1,0 g
3Mar 31, 2006
SAW Components M 1971 M
45,75 MHzIF Filter for Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
T
A= 25 (45) ˚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 44,06 (44,00) MHz 10,8 12,3 13,8 dB
following data
Relative attenuation αrel
Picture carrier 45,81 (45,75) MHz 5,3 6,0 6,7 dB
Color carrier 42,23 (42,17) MHz 1,0 2,0 3,0 dB
Sound carrier 41,31 (41,25) MHz 15,6 17,1 18,6 dB
Adjacent picture carrier 39,81 (39,75) MHz 46,5 60,0 — dB
Adjacent sound carrier 47,31 (47,25) MHz 46,5 55,0 — dB
Lower sidelobe
35,06 ... 39,81 (35,00 ... 39,75) MHz 36,5 41,0 — dB
Upper sidelobe
47,31 ... 55,06 (47,25 ... 55,00) MHz 38,5 44,0 — dB
Reflected wave signal suppression
1,1 µs ... 6,0 µs after main pulse 42,0 52,0 — dB
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Feedthrough signal suppression
1,0 µs ... 0,9 µs before main pulse 50,0 56,0 — dB
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Group delay ripple (p-p) ∆τ —40—ns
Impedance at 44,06 MHz
Input:
Z
IN =
R
IN ||
C
IN — 1,5 ||10,6 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —1,0 || 3,6 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K
4Mar 31, 2006
SAW Components M 1971 M
45,75 MHzIF Filter for Intercarrier Applications
Data Sheet
Frequency response
5Mar 31, 2006
SAW Components M 1971 M
45,75 MHzIF Filter for Intercarrier Applications
Data Sheet
Frequency response
Time domain response
6Mar 31, 2006
SAW Components M 1971 M
45,75 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.
