M1871M Ver la hoja de datos (PDF) - EPCOS AG
Número de pieza
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Fabricante
M1871M Datasheet PDF : 6 Pages
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SAW Components
IF Filter for Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 (45) ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
Insertion attenuation
Reference level for the
following data
α
44,06 (44,00) MHz
min.
11,2
Relative attenuation
αrel
Picture carrier
45,81 (45,75) MHz
5,0
Color carrier
42,23 (42,17) MHz
3,3
Sound carrier
41,31 (41,25) MHz
15,6
Adjacent picture carrier
39,81 (39,75) MHz
48,0
Adjacent sound carrier
47,31 (47,25) MHz
40,0
Lower sidelobe
35,06 ... 39,81 (35,00 ... 39,75) MHz
36,0
Upper sidelobe
47,31 ... 55,06 (47,25 ... 55,00) MHz
35,0
M 1871 M
45,75 MHz
typ.
12,7
max.
14,2 dB
6,0
7,0 dB
4,3
5,3 dB
17,1
18,6 dB
62,0
— dB
47,0
— dB
dB
42,0
— dB
dB
41,0
— dB
Reflected wave signal suppression
1,0 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
42,0
52,0
— dB
Feedthrough signal suppression
0,9 µs ... 0,8 µs before main pulse
(test pulse 250 ns,
carrier frequency 44,06 MHz)
Group delay ripple (p-p)
∆τ
Impedance at 44,06 MHz
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency
TCf
50,0
56,0
— dB
—
50
— ns
—
1,6 || 8,4
— kΩ || pF
—
1,1 || 3,6
— kΩ || pF
—
–72
— ppm/K
3 Mar 31, 2006
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