B39389-K3565-M201 데이터 시트보기 (PDF) - EPCOS AG
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B39389-K3565-M201 Datasheet PDF : 8 Pages
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SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
Characteristics of picture channel
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
Insertion attenuation
Reference level for the
following data
α
37,40 MHz
min.
12,9
K 3565 M
38,90 MHz
typ.
max.
14,4
15,9 dB
Relative attenuation
Picture carrier
Color carrier
Sound carrier
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
Upper sidelobe
αrel
38,90 MHz
34,47 MHz
32,40 MHz
33,40 MHz
30,90 MHz
31,90 MHz
40,40 MHz
41,40 MHz
25,00 ... 30,90 MHz
41,40 ... 45,00 MHz
4,8
5,8
0,5
1,5
35,0
39,0
35,0
51,0
45,0
59,0
45,0
59,0
45,0
61,0
45,0
63,0
39,0
46,0
37,0
43,0
6,8 dB
2,5 dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
Reflected wave signal suppression
1,4 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
42,0
51,0
— dB
Feedthrough signal suppression
1,2 µs ... 1,1 µs before main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
50,0
56,0
— dB
Group delay predistortion
(reference frequeny 38,90 MHz)
∆τ
35,90 MHz
34,47 MHz
Impedance at 37,40 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency
TCf
—
–60
—
40
— ns
— ns
—
1,2 ||24,2
— kΩ || pF
—
2,0 || 4,0
— kΩ || pF
—
–72
— ppm/K
3 Sep 01, 2003
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