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参数资料
| 型号： | NTE722 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit FM Stereo Multiplex Decoder |
| 中文描述： | 集成电路调频立体声多路解码器 |
| 文件页数： | 2/2页 |
| 文件大小： | 22K |
| 代理商： | NTE722 |
Electrical Characteristics:
(T
A
= +25
°
C V+ = 12V, 200mV
RMS
standard stereo multiplex signal
applied to input, Note 3 unless otherwise specified)
Parameter
Supply Current
Input Resistance
Stereo Separation
f = 100Hz
f = 1kHz
f = 10kHz
Channel Balance (Monaural Input)
Total Harmonic Distortion
Voltage Gain
67kHz Storecast Rejection
Note 4
19kHz Pilot Level Required at Input
Stereo Indicator Lamp ON
Stereo Indicator Lamp OFF
19kHz
in Left and Right Outputs
(dB Below 1kHz Output)
38kHz
Test Conditions
Min
–
12
–
30
20
–
–
–
–
–
4.0
–
Typ
12
20
40
45
40
0.2
0.5
1.0
55
12
8.0
30
Max
18
–
–
–
–
–
1.0
–
–
22
–
–
Unit
mA
k
dB
dB
dB
dB
%
V/V
dB
mV
RMS
mV
RMS
dB
High Frequency Audio Components
–
25
–
dB
Note 3.
“
Standard Stereo Multiplex Signal
”
here refers to a 200mV
RMS
(0.56V
P
–
P
) composite stereo
signal including 10% pilot with L = 1 and R = 1 as described in the FCC Rules of FM Broad-
casting.
Note 4. Measured with a stereo composite signal consisting of 80% stereo, 10% pilot and 10% SCA
as defined in the FCC Rules on FM Broadcasting.
Pin Connection Diagram
.600 (15.24)
1
7
14
8
.300 (7.62)
.200 (5.08)
Max
.100 (2.45)
.099 (2.5) Min
.785 (19.95)
Max
V+
38kHz Filter
1
2
3
4
19kHz Filter
19kHz Filter
MPX Input
N.C.
5
N.C.
6
Stereo Lamp
7
GND
14
13
12
11
Decoupling
Right Output
Left Output
10
38kHz Filter Bias
9
8
N.C.
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