SAW Components
Data Sheet M 3654 K
2Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Plastic package DIP10K
Standard
■M/N
Features
■TV IF filter for quasi/split sound applications
(separate picture and sound channel)
■Picture channel with Nyquist slope and sound
suppression
■High color carrier level
■Customized group delay predistortion
■Sound channel with passband for sound carrier
only
Terminals
■Tinned CuFe alloy
Pin configuration
1 Input - sound
2 Input - ground
3; 8 Chip carrier - ground
4; 5 Output - sound
6; 7 Output - picture
9 Free
10 Input picture
Type Ordering code Marking and package
according to Packing
according to
M 3654 K B39458-M3654-K100 C61157-A2-A3 F61074-V8068-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 1,8 g
3Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of picture channel
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 11,5 13,0 14,5 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 –0,1 0,9 1,9 dB
Sound carrier 41,31 (41,25) MHz 25,0 39,0 — dB
Adjacent picture carrier 39,81 (39,75) MHz 45,0 56,0 — dB
Adjacent sound carrier 47,31 (47,25) MHz 44,0 51,0 — dB
Lower sidelobe
35,06 ... 39,81 (35,00 ... 39,75) MHz 37,0 41,0 — dB
Upper sidelobe
47,31 ... 55,06 (47,25 ... 55,00) MHz 37,0 42,0 — dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse 42,0 52,0 — dB
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Feedthrough signal suppression
1,2 µs ... 1,1 µs before main pulse — 50,0 — dB
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Group delay predistortion
(reference frequency 45,81 MHz)
42,23 (42,17) MHz — –40 — ns
Impedance at 44,06 MHz
Input:
Z
IN =
R
IN ||
C
IN — 1,2 ||12,4 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —1,2 || 3,5 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K
4Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of sound channel
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 41,31 (41,25) MHz 9,4 10,9 12,4 dB
following data
Pass bandwith
αrel ≤ 3dB
B
3dB — 0,6 — MHz
αrel ≤ 20 dB
B
20dB — 1,35 — MHz
Relative attenuation αrel
Picture carrier 45,81 (45,75) MHz 45,0 55,0 — dB
Color carrier 42,23 (42,17) MHz 22,0 26,0 — dB
Adjacent picture carrier 39,81 (39,75) MHz 40,0 47,0 — dB
Adjacent sound carrier 47,31 (47,25) MHz 43,0 52,0 — dB
Lower sidelobe
35,06 ... 39,06 (35,00 ... 39,00) MHz 34,0 38,0 — dB
39,06 ... 39,41 (39,00 ... 39,35) MHz 36,0 42,0 — dB
Upper sidelobe
47,31 ... 55,06 (47,25 ... 55,00) MHz 42,0 48,0 — dB
Group delay ripple (p–p) ∆τ
41,01 ... 41,61 (40,95 ... 41,55) MHz — 80 — ns
Impedance at 41,31 MHz
Input:
Z
IN =
R
IN ||
C
IN — 0,6 ||14,2 — kΩ || pF
Output:
Z
OUT =
R
OUT ||
C
OUT —2,8 || 2,4 —kΩ || pF
Temperature coefficient of frequency
TC
f— –72 — ppm/K
5Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Frequency response of picture channel
6Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Frequency response of picture channel
Time domain response of picture channel
7Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound Applications
Data Sheet
Frequency response of sound channel
8Mar 31, 2006
SAW Components M 3654 K
45,75 MHzIF Filter for Quasi/Split Sound 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.
