ETC K7252M

SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
38,90 MHz
Data Sheet
Characteristics in B/G, D/K mode (switching pin 2 connected to ground)
TA = 25 ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
Reference temperature:
Terminating source impedance:
Terminating load impedance:
min.
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
typ.
max.
α
37,40 MHz
15,4
16,9
18,4
dB
4,6
0,2
17,7
16,0
46,0
38,0
41,0
40,0
36,0
33,0
5,6
1,2
19,2
17,5
58,0
50,0
50,0
46,0
42,0
39,0
6,6
2,2
20,7
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
42,0
50,0
—
dB
—
56,0
—
dB
—
—
ns
ns
—
kΩ || pF
—
kΩ || pF
—
ppm/K
αrel
38,90
34,47
32,40
33,40
30,90
31,90
40,40
41,40
25,00 ... 30,90
40,40 ... 45,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Reflected wave signal suppression
1,3 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)
∆τ
Group delay predistortion
(reference frequency 38,90 MHz)
36,80 MHz
34,47 MHz
—
—
Impedance at 37,40 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
—
TCf
Temperature coefficient of frequency
3
—
Jul 03, 2000
–40
50
1,0 ||17,3
2,7 || 3,4
–72
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
38,90 MHz
Data Sheet
Characteristics in M/N mode (switching pin 2 connected to pin 1)
TA = 25 ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
Reference temperature:
Terminating source impedance:
Terminating load impedance:
min.
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
typ.
max.
α
37,40 MHz
15,5
17,0
18,5
dB
4,9
0,8
17,0
40,0
41,0
36,0
31,0
5,9
1,8
18,5
52,0
49,0
42,0
37,0
6,9
2,8
20,0
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
42,0
52,0
—
dB
—
50,0
—
dB
—
50
—
ns
—
1,1 ||21,0
2,7 || 3,4
—
kΩ || pF
—
kΩ || pF
—
ppm/K
αrel
38,90
35,32
34,40
32,90
40,40
25,00 ..... 32,90
40,40 ..... 45,00
MHz
MHz
MHz
MHz
MHz
MHz
MHz
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)
∆τ
Group delay ripple (p-p)
Impedance at 37,40 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
—
TCf
Temperature coefficient of frequency
4
—
Jul 03, 2000
–72
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
Data Sheet
Frequency response B/G, D/K mode
5
Jul 03, 2000
38,90 MHz
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
Data Sheet
Frequency response B/G, D/K mode
Time domain response B/G, D/K mode
6
Jul 03, 2000
38,90 MHz
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
Data Sheet
Frequency response M/N mode
7
Jul 03, 2000
38,90 MHz
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
Data Sheet
Frequency response M/N mode
Time domain response M/N mode
8
Jul 03, 2000
38,90 MHz
SAW Components
K 7252 M
IF Filter for Intercarrier / Multistandard Applications
38,90 MHz
Data Sheet
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E UE
P.O. Box 80 17 09, D-81617 München
 EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for components per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
9
Jul 03, 2000