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参数资料
| 型号： | NTE742 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit TV Sound Channel, 2W |
| 中文描述： | 集成电路电视声音频道，2W的 |
| 文件页数： | 2/3页 |
| 文件大小： | 25K |
| 代理商： | NTE742 |
Dynamic Electrical Characteristics:
(T
A
= +25
°
C, V
CC
= 24V, f
o
= 4.5MHz, f
m
= 400Hz,
f = 25kHz, V
IN
= 10mV unless otherwise specified)
Parameter
Symbol
Input Limiting Threshold
V
TH
Note 1
AM Rejection
AMR
Note 2
Recovered Audio
V
OUT
Total Harmonic Distortion
THD
Test Pin16
Test Pin6, P
OUT
= 2W
Volume Control Voltage
V
1
–
3dB, Note 3
–
20dB, Note 3
–
40dB, Note 3
Playthrough
V
1
= 0V
Power Amp Voltage Gain
A
e
V
OUT
= 1V
Output Current Limiting
I
OUT
R
L
= 0
Output Tracking
V
OUT
/V
CC
V
CC
= 18V to 27V
Output Noise
e
n
V
IN
= 0V, V
1
= 10V
Power Amp Impedance
Z
in
f = 1kHz
Test Conditions
Min
–
30
500
–
–
6.0
2.0
0.75
–
25
–
–
–
–
Typ
150
> 50
700
< 1
2.5
7.5
2.8
1.2
5
27
800
0.5
5
50
Max
400
–
900
3
10
10
4.0
1.8
25
29
–
–
25
–
Unit
μ
V
dB
mV
%
%
V
V
V
mV
dB
mA
V/V
mV
k
Note 1. Adjust V
1
for V
OUT
= 2V, then reduce V
IN
until V
OUT
= 1.4V (
–
3dB).
Note 2. Adjust V
1
for V
OUT
= 2V.
Note 3. Reference is V
OUT
at Pin 6 with V
1
= 12V.
Pin Connection Diagran
F
i
n
V
CC
Phase Shift
IF Input
Low
–
Level GND
1
2
3
F
i
n
DC Volume Control
Detector Output
Amplifier Input
GND
6
Audio Output
7
8
Regulator Output
16
15
14
De
–
Emphasis
Phase Shift
GND
11
IF Decoupling
10
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NTE7420 | 制造商:NTE Electronics 功能描述:Bulk 制造商:NTE Electronics 功能描述:IC DUAL NAND GATE 4I/P DIP-14 制造商:NTE Electronics 功能描述:IC, DUAL NAND GATE, 4I/P, DIP-14 制造商:NTE Electronics 功能描述:IC-TTLNAND GATE 制造商:NTE Electronics 功能描述:DUAL 4-IN NAND GATE 制造商:NTE Electronics 功能描述:IC, DUAL NAND GATE, 4I/P, DIP-14; Logic Type:NAND Gate; No. of Inputs:4; Logic Case Style:DIP; No. of Pins:14; Family Type:7400; Logic Base Number:7420; Mounting Type:Through Hole; Package / Case:14-DIP; Supply Voltage Nom, Vcc:5V |
| NTE7421 | 制造商:NTE Electronics 功能描述:IC-TTLAND GATE 制造商:NTE Electronics 功能描述:DUAL 4-IN AND GATE |
| NTE7422 | 制造商:NTE Electronics 功能描述:Bulk |
| NTE74221 | 制造商:NTE Electronics 功能描述:IC-TTL DUAL MULTIVIB. 制造商:NTE Electronics 功能描述:Bulk |
| NTE7423 | 制造商:NTE Electronics 功能描述:IC-TTL NOR GATE 制造商:NTE Electronics 功能描述:DUAL 4-IN NOR GATE |
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