SAW Components
Vestigial Sideband Filter
Data Sheet
M 4952 M
45,75 MHz
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
TA = 25 (45) ˚C
ZS = 50 Ω
ZL = 2 kΩ || 3 pF
min.
typ.
max.
α
Insertion attenuation
Reference level for the
following data
43,56 (43,50) MHz
13,3
14,8
16,3 dB
Relative attenuation
αrel
Picture carrier
45,81 (45,75) MHz
46,56 (46,50) MHz
42,23 (42,17) MHz
41,31 (41,25) MHz
39,81 (39,75) MHz
47,31 (47,25) MHz
51,31 (51,25) MHz
–1,1
4,2
–0,1
5,7
0,9 dB
7,2 dB
1,1 dB
0,6 dB
Color carrier
–0,9
–1,4
36,0
30,0
40,0
0,1
Sound carrier
–0,4
53,0
35,0
54,0
Adjacent picture carrier
Adjacent sound carrier
—
—
—
dB
dB
dB
Lower sidelobe
35,06 ... 39,81 (35,00 ... 39,75) MHz
Upper sidelobe
47,91 ... 55,06 (47,85 ...55,00) MHz
35,0
38,0
41,0
45,0
—
—
dB
dB
Reflected wave signal suppression
1,2 µs ... 6,0 µs after main pulse
(test pulse 250 ns,
42,0
50,0
—
54,0
56,0
50
—
—
—
dB
dB
ns
carrier frequency 43,56 MHz)
Feedthrough signal suppression
1,2 µs ... 1,1 µs before main pulse
(test pulse 250 ns,
carrier frequency 43,56 MHz)
Group delay ripple (p-p)
∆τ
40,56 ... 46,56 (40.50 ... 46.50) MHz
Impedance at 43,56 MHz
Input: ZIN = RIN || CIN
—
—
1,4 ||12,7
1,2 || 4,4
—
—
kΩ || pF
kΩ || pF
Output: ZOUT = ROUT || COUT
TCf
—
-72
—
ppm/K
Temperature coefficient of frequency
3
Mar 31, 2006
EPCOS [ EPCOS ]
