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参数资料
| 型号： | NTE743 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder |
| 中文描述： | 集成电路锁相环（PLL）的立体声解码器 |
| 文件页数： | 2/3页 |
| 文件大小： | 24K |
| 代理商： | NTE743 |
Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= +12V, Composite Input = 300mV
rms
(L = R, Pilot OFF), Pilot Level = 30mV
rms
,
f
m
= 400Hz or 1KHz, unless otherwise indicated)
Characteristics
Test Conditions
Min
Typ
Max
Unit
k
V
Input Impedance
Pin2
2
353
–
Output Impedance
Pin4 or Pin5
–
50
–
Audio Voltage Gain
Desired Channel
0.7
1.0
1.4
Stereo Channel Separation
f
m
= 100Hz
f
m
= 400Hz
f
m
= 10kHz
Pilot Level = 0V
–
30
–
dB
30
40
–
dB
–
30
–
dB
Monaural Channel Balance
–
0.1
1.5
dB
Total Harmonic Distortion
Multiplex Level = 600mV
–
0.4
1.5
%
Ultrasonic Frequency Rejection 19kHz
25
35
–
dB
38kHz
25
40
–
dB
SCA Rejection
67KHz, Note 1
–
70
–
dB
Stereo Switch Level
Pilot Only, Lamp On
–
14
25
mV
rms
mV
rms
k
%
Pilot Only, Lamp Off
2.0
7.0
–
VCO Tuning Resistance
Pin15, Note 2
–
20
°
C
<
T
A
< +25
°
C
+25
°
C
<
T
A
< +70
°
C
Lamp Off to Lamp On
20
23
±
0.5
±
0.5
26
±
2.0
±
2.0
VCO Frequency Drift
–
–
%
Stereo Lamp Hysteresis
3.0
6.0
–
dB
Capture Range
Permissable Tuning Error
–
4.0
±
30
100
–
%
Output Voltage Shift
Stereo to Mono Operation
–
–
mV
Lamp Output Current
Short Circuit, Lamp On
50
–
mA
Lamp Off
–
1.0
100
mA
Lamp Driver Terminal Voltage
I
LAMP
= 50mA
Lamp Off
–
1.3
2.0
V
Supply Current
–
20
40
mA
Power Supply Rejection
200Hz, 200mV
rms
–
40
–
dB
Note 1. Measured with a stereo composite signal of 80% stereo, 10% pilot, and 10% SCA.
Note 2. Total resistance from Pin15 to GND, to set reference frequency at Pin11 to 19kHz
±
10Hz
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