SAW Components
SAW IF filter
IF filters for intercarrier applications
Series/type:
Ordering code:
Date:
Version:
K 7286 M
B39380-K7286-M100
May 25, 2007
2.0
©
EPCOS AG 2007. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
SAW IF filter
Data sheet
Application
s
Standard: B/G, D/K, M/N
s
TV IF filter switchable from M/N mode to B/G, D/K
s
s
s
s
K 7286 M
38.00 MHz
mode
M/N mode with Nyquist slope and sound shelf at
33.50 MHz
Customized group delay predistortion
B/G, D/K mode with Nyquist slope and broad sound
shelf for sound carriers at 31.50 MHz and 32.50 MHz
Reduced group delay predistortion as compared
with standard B/G half
Features
s
s
s
s
Duroplast package
SIP5K
Approximate weight 1.0 g
RoHS compatible
Tinned CuFe alloy terminals
Pin configuration
s
s
s
s
s
1
2
3
4
5
Input
Switching input
Chip carrier - ground
Output
Output
1
4
2
5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
May 25, 2007
SAW Components
SAW IF filter
Data sheet
Characteristics in B/G, D/K mode (switching input pin 2 connected to ground)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
Insertion attenuation
Reference level for the
following data
Relative attenuation
Picture carrier
Color carrier
Sound carrier
α
36.50
MHz
15.0
16.5
18.0
typ.
@ 25 ˚C
max.
K 7286 M
38.00 MHz
dB
α
rel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4.4
0.7
18.5
14.8
43.0
38.0
36.0
38.0
35.0
5.4
1.7
20.0
16.3
53.0
48.0
50.0
46.0
43.0
6.4
2.7
21.5
17.8
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
38.00
33.57
31.50
32.50
Adj. picture carrier
30.00
31.00
Adj. sound carrier
39.50
Lower sidelobe
25.00 ... 30.00
Upper sidelobe
39.50 ... 45.00
Reflected wave signal suppression
1.3
µs
... 6.0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 36.50 MHz)
Feedthrough signal suppression
1.2
µs
... 1.1
µs
before main pulse
(test pulse 250 ns,
carrier frequency 36.50 MHz)
Group delay ripple predistortion
∆τ
(reference frequency 38.00 MHz)
36.00 MHz
33.57 MHz
Impedance
at 36.50 MHz
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
Temperature coefficient of frequency
TC
f
40.0
52.0
—
dB
—
56.0
—
dB
—
—
—
—
—
–50
70
1.2 || 14.6
2.7 || 3.4
–72
—
—
—
—
—
ns
ns
kΩ || pF
kΩ || pF
ppm/K
Please read
cautions and warnings and
important notes
at the end of this document.
3
May 25, 2007
SAW Components
SAW IF filter
Data sheet
Characteristics in M/N mode (switching input pin 2 connected to pin 1)
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
Insertion attenuation
Reference level for the
following data
α
36.50
MHz
15.1
16.6
18.1
typ.
@ 25 ˚C
max.
K 7286 M
38.00 MHz
dB
Relative attenuation
Picture carrier
38.00
Color carrier
34.42
Sound carrier
33.50
Adj. picture carrier
32.00
Adj. sound carrier
39.50
Lower sidelobe
25.00 ... 32.00
Upper sidelobe
39.50 ... 45.00
α
rel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
4.6
1.7
20.7
36.0
40.0
35.0
34.0
5.6
2.7
22.7
42.0
53.0
42.0
44.0
6.6
3.7
24.7
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
Reflected wave signal suppression
1.3
µs
... 6.0
µs
after main pulse
(test pulse 250 ns,
carrier frequency 36.50 MHz)
Feedthrough signal suppression
1.2
µs
... 1.1
µs
before main pulse
(test pulse 250 ns,
carrier frequency 36.50 MHz)
Group delay ripple predistortion
∆τ
(reference frequency 38.00 MHz)
35.00 MHz
34.42 MHz
Impedance
at 36.50 MHz
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
Temperature coefficient of frequency
TC
f
40.0
52.0
—
dB
—
50.0
—
dB
—
—
—
—
—
20
70
1.3 || 17.3
2.7 || 3.4
–72
—
—
—
—
—
ns
ns
kΩ || pF
kΩ || pF
ppm/K
Please read
cautions and warnings and
important notes
at the end of this document.
4
May 25, 2007
SAW Components
SAW IF filter
Data sheet
K 7286 M
38.00 MHz
Maximum ratings
Operable temperature range T
Storage temperature range T
stg
DC voltage
AC voltage
V
DC
V
pp
–25 / +65 ˚C
–40 / +85 ˚C
5
10
V
V
between any terminals
between any terminals
Please read
cautions and warnings and
important notes
at the end of this document.
5
May 25, 2007
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