G1961M Datasheet, PDF (3/6 Pages) EPCOS – SAW Components

SAW Components
IF Filter for Intercarrier Applications
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T_A = 25 ˚C
Z_S = 50 Ω
Z_L = 2 kΩ || 3 pF
Insertion attenuation
Reference level for the
following data
α
37,40 MHz
min.
13,6
G 1961 M
38,90 MHz
typ.
max.
15,1
16,6 dB
Relative attenuation
Picture carrier
α_rel
38,90 MHz
Color carrier
34,47 MHz
Sound carrier
33,40 MHz
Adjacent picture carrier UHF
30,90 MHz
Adjacent picture carrier VHF
31,90 MHz
32,40 MHz
40,15 MHz
Adjacent sound carrier VHF
40,40 MHz
Adjacent sound carrier UHF
41,40 MHz
Lower sidelobe
25,00 ... 32,40 MHz
Upper sidelobe
40,40 ... 45,00 MHz
5,6
6,6
7,6 dB
2,3
3,3
4,3 dB
19,3
20,3
21,3 dB
46,0
58,0
— dB
48,0
64,0
— dB
50,0
65,0
— dB
40,0
49,0
— dB
46,0
59,0
— dB
42,0
53,0
— dB
37,0
46,0
— dB
36,0
44,0
— dB
Reflected wave signal suppression
1,3 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
44,0
54,0
— 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 frequency 38,90 MHz)
∆τ
36,90 MHz
34,47 MHz
Impedance at 37,40 MHz
Input: Z_IN = R_IN || C_IN
Output: Z_OUT = R_OUT || C_OUT
Temperature coefficient of frequency
TC_f
—
–90
—
95
— ns
— ns
—
1,7 ||13,0 — kΩ || pF
—
1,4 || 4,6
— kΩ || pF
—
–72
— ppm/K
3 Dec 02, 1999