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| 型號： | J3353K |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 103K |
| 代理商： | J3353K |
3
Nov 25, 1999
SAW Components
IF Filter for Quasi/Split Sound Applications
Data Sheet
J 3353 K
38,90 MHz
Characteristics of picture channel
Reference temperature:
Terminating source impedance:
Terminating load impedance:
T
A
= 25 C
Z
S
= 50
Z
L
= 2 k
|| 3 pF
min.
typ.
max.
Insertion attenuation
Reference level for the
following data
α
37,40 MHz
12,9
14,4
15,9
dB
Relative attenuation
Picture carrier
Color carrier
Sound carrier
α
rel
38,90 MHz
34,47 MHz
32,90 MHz
32,35 MHz
30,90 MHz
30,40 MHz
31,40 MHz
40,90 MHz
40,35 MHz
5,0
–0,6
40,0
44,0
50,0
48,0
48,0
45,0
43,0
46,0
39,0
6,0
0,4
52,0
56,0
62,0
60,0
60,0
55,0
53,0
54,0
45,0
7,0
1,4
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Adjacent picture carrier
Adjacent sound carrier
Lower sidelobe
Upper sidelobe
25,00 ... 30,90 MHz
40,90 ... 45,00 MHz
Reflected wave signal suppression
1,2
μ
s ... 6,0
μ
s after main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
42,0
55,0
—
dB
Feedthrough signal suppression
1,2
μ
s ... 1,1
μ
s 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
38,90 MHz
34,47 MHz
—
—
0
—
—
ns
ns
–50
Impedance
at 37,40 MHz
Input:
Output: Z
OUT
= R
OUT
|| C
OUT
Z
IN
= R
IN
|| C
IN
—
—
1,2 ||24,0
2,5 || 3,6
—
—
k
|| pF
k
|| pF
Temperature coefficient of frequency
TC
f
—
–72
—
ppm/K
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