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參數(shù)資料
| 型號(hào)： | G1965M |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | IF Filter for Intercarrier Applications |
| 中文描述： | 中頻濾波器載波應(yīng)用 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 91K |
| 代理商： | G1965M |
3
May 08, 2001
SAW Components
IF Filter for Intercarrier Applications
Data Sheet
G 1965 M
38,90 MHz
Characteristics
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
13,6
15,1
16,6
dB
Relative attenuation
Picture carrier
α
rel
38,90 MHz
33,90 MHz
34,47 MHz
33,40 MHz
30,90 MHz
31,90 MHz
31,40 MHz
32,40 MHz
40,15 MHz
40,40 MHz
41,40 MHz
5,0
—
0,0
18,9
45,0
48,0
46,0
48,0
38,0
44,0
42,0
40,0
38,0
6,0
6,2
1,0
20,4
57,0
55,0
61,0
55,0
48,0
55,0
53,0
47,0
48,0
7,0
—
2,0
21,9
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Color carrier
Sound carrier
Adjacent picture carrier UHF
Adjacent picture carrier
VHF
Adjacent sound carrier VHF
Adjacent sound carrier
UHF
Lower sidelobe
Upper sidelobe
25,00 ... 31,90 MHz
40,40 ... 45,00 MHz
Reflected wave signal suppression
1,1
μ
s ... 6,0
μ
s after main pulse
(test pulse 250 ns,
carrier frequency 37,40 MHz)
42,0
53,0
—
dB
Feedthrough signal suppression
1,3
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 ripple
(p-p)
τ
—
50
—
ns
Impedance
at 37,40 MHz
Input:
Output: Z
OUT
= R
OUT
|| C
OUT
Z
IN
= R
IN
|| C
IN
—
—
1,9||13,8
1,5|| 4,8
—
—
k
|| pF
k
|| pF
Temperature coefficient of frequency
TC
f
—
–72
—
ppm/K
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