NTE2003 PDF даташит
Спецификация NTE2003 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit Dolby B-Type Noise Reduction Processor». |
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Детали детали
Номер произв | NTE2003 |
Описание | Integrated Circuit Dolby B-Type Noise Reduction Processor |
Производители | NTE |
логотип |
2 Pages
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NTE2003
Integrated Circuit
Dolby B–Type Noise Reduction Processor
Description:
The NTE2003 is a monolithic integrated circuit in a 16–Lead DIP type package specifically designed
to realized the Dolby B–type noise reduction system.
Features:
D Reduced distortion at high frequencies and high signal levels
D Improved transient stability
D Wide Operating Voltage Range
D Low Supply Current
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Lead Temperature (During Soldering, 10sec Max), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
Electrical Characteristics: (VCC = 12V, TA = +25°C, NB 0dB refers to 580mVrms Dolby level at
Pin3 unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Supply Voltage Range
9 – –V
Supply Current
12 17 22 mA
Voltage Gain
(Pin5–Pin3)
1kHz Pin6 & Pin2 Connected
24 26 28 dB
(Pin3–Pin7)
1kHz (Noise Reduction Out)
–1 0
1 dB
Distortion
1kHz, 0dB; 10kHz, 10dB
– 0.05 0.1 %
Signal Handling
1kHz 0.3% Distortion
10 14
– dB
Signal–to–Noise Ratio
Encode (CCIR Weighted)
Pin6 & Pin2 Connected, RS = 10kΩ
65 70
– dB
Decode
+75 80
– dB
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Electrical Characteristics (Cont’d): (VCC = 12V, TA = +25°C, NB 0dB refers to 580mVrms Dolby
level at Pin3 unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Encode Characteristics (Input to Pin5)
1.3kHz, –20dB
–17.2 –15.7 .14.2 dB
2.5kHz, –20dB
–17.4 –15.9 –14.4 dB
3.0kHz, –30dB
–22.7 –21.2 –19.7 dB
5.0kHz, –30dB
–23.3 –21.8 –20.3 dB
10kHz, 0dB
–1.0 0.5 2.0 dB
10kHz, –40dB
–31.1 –29.6 –28.1 dB
14kHz, –30dB
–25.4 –23.9 –22.4 dB
Back–to–Back Frequency Response
With Standard Dolby B–Type Processor –1.5 0
1.5 dB
Input Resistance
Pin5
45 65 85 kΩ
Pin2
4.3 5.6 6.9 kΩ
Output Resistance
Pin6
1.8 2.4 3.0 kΩ
Pin3
– 80 120 kΩ
Pin7
– 80 120 kΩ
Pin Connection Diagram
Variable Impedance Input 1
Amp B Input 2
Amp B Output 3
Bias 4
Amp A Input 5
Amp A Output 6
Amp S Output 7
Decoupling 8
16 VCC
15 Variable Impedance Control
14 Rectifier Output
13 Rectifier Bias
12 Rectifier Input
11 Amp D Output
10 Amp D Feedback Decoupling
9 GND
16 9
.260 (6.6) Max
18
.850 (21.6
.180
(4.0)
.100 (2.54)
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Номер в каталоге | Описание | Производители |
NTE2000 | (NTExxxx) Linear Integrated Circuits | NTE Electronics |
NTE2001 | (NTExxxx) Linear Integrated Circuits | NTE Electronics |
NTE2003 | Integrated Circuit Dolby B-Type Noise Reduction Processor | NTE |
NTE2003 | (NTExxxx) Linear Integrated Circuits | NTE Electronics |
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