NTE1860 PDF даташит
Спецификация NTE1860 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit TV Stereo Multiplexing Decoder». |
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Детали детали
Номер произв | NTE1860 |
Описание | Integrated Circuit TV Stereo Multiplexing Decoder |
Производители | NTE |
логотип |
5 Pages
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NTE1860
Integrated Circuit
TV Stereo Multiplexing Decoder
Description:
The NTE1860 is a bipolar IC for use in TV stereo multiplexing decoding, filters for stereo, and SAP
(Separate Audio Program) demodulation applications.
Features:
D Low number of external parts
D Excellent channel separation characteristics for stereo applications. Min. 46dB at 1kHz.
D Selection of individual modes of MAIN/SAP/BOTH.
D Direct driving mode for LED display.
Absolute Maximum Ratings: (TA = 25°C)
Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17V
Allowed Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800mW
Individual Controlling Pins, V14 to 17, V20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC + 0.3V
LED Driving Current, ILED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA
Operating Temperature, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10° to +65°C
Storage Temperature, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +150°C
Recommended Operating Condition:
Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.0 ± 0.5V
Electrical Characteristics: (VCC = 9V, dBs = 0.775Vrms, TA = 25°C)
Parameter
Symbol
Test Conditions
Min Typ Max
SAP Noise Level
VSAP,N
Pin1 Input 5fH (−14.4dBs)
Pin25 Output 15kHz LPF is
attached.
− −40 −36
SAP Carrier Leakage
CLSAP
Pin1 Input 5fH (−14.4dBs)
Pin25 Output
− −33 −30
SAP Carrier Detecting
Sensitivity
SCARR
Pin1 Input 5fH
−29.0 −25.0 −21.5
Input level during LED of Pin18
is lighting on
SAP Frequency
Characteristics
10kHz
ASAP
Pin1 Input
SAP 10kHz 100% (−14.4dBs)
Pin25 Output 15kHz lPF is
attached
−4.0
−1.5
2.0
Unit
dB
dB
dB
dB
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Electrical Characteristics (Cont’d): (VCC = 9V, dBs = 0.775Vrms, TA = 25°C)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
SAP Output Level
VSAP
Pin1 Input
SAP 1kHz 100% (−14.4dBs)
Pin25 Output 15kHz LPF is
attached
−0.8 −0.1 0.6
dB
SAP Distortion Ratio
THDSAP
Pin1 Input
SAP 1kHz 100% (−14.4dBs)
Pin25 Output 15kHz LPF is
attached
− 4.0 8.0
%
SAP BPF Frequency
Characteristics 5fH
SAP BPF Frequency
Characteristics 3fH
SAP BPF Frequency
Characteristics 6.5fH
SAP Detecting
Characteristics
A BPF 5fH Pin1 Input 5fH (−14.4dBs)
Pin6 Output
A BPF 3fH Pin1 Input 3fH (−14.4dBs)
Pin6 Output
A BPF 6.5fH Pin1 Input 6.5fH (−14.4dBs)
Pin6 Output
VSAP FM
Pin8 Input
63.37kHz (−14.4dBs)
93.67kHz (−14.4dBs)
Pin25 Output
−16 −13.5 −12.5 dB
− −32.5 −29.5 dB
− −31.6 −29.5 dB
100 110 118 mV/kHz
SAP Muting Attenutation
Amount
ATSAP
Pin8 Input
SAP 1kHz 100% (−14.4dBs)
Pin25 Output
− −68 −65 dB
MONAURAL Noise Level
VST NM
Non−input
Pin23 Output 15kHz LPF is
attached
− −75 −70 dB
STEREO Noise Level
VST NS
Pin1 fH (−24dBs)
Pin40 to Pin41 −6dB ATT
Pin24 Output 15kHz LPF is
attached
− −70 −66 dB
MAIN Output Level
VMAIN
Pin1 Input 1kHz (−10dBs)
75µs de−emphasis is attached
Pin23 Output 15kHz LPF is
attached
−5.6
−5.0
−4.6
dB
SUB Detecting Level
VSUB
Pin1 Input SUB 1kHz 100%
Pin40 to Pin41 −6dB ATT
Pin24 Output 15kHz LPF is
attached
−12 − −9
dB
MONAURAL Distortion
Ratio
THDMONO Pin1 Input 1kHz (−10dBs)
Pin23 Output 15kHz LPF is
attached
− 0.25 0.50 %
STEREO Distortion
THDSTE
Pin1 Input SUB 1kHz 100%
Pin24 Output 15kHz LPF is
attached
− 0.75 1.20 %
Pilot Cancel (L + R)
Pilot Cancel (L − R)
PCL + R Pin1 Input fH (−24dBs)
− −57.0 −51.5
75µs de−emphasis is attached
Pin23 Output fH BPF is attached
PCL − R
Pin1 Input fH (−24dBs)
Pin40 to Pin41 −6dB ATT
Pin24 Output fH BPF is attached
−
−41 −35
dB
dB
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Electrical Characteristics (Cont’d): (VCC = 9V, dBs = 0.775Vrms, TA = 25°C)
Parameter
Symbol
Test Conditions
Min Typ
MAIN Balance
Between Channels
CBMAIN
Pin34 Input fH (−18dBs)
Input 1kHz (−4dBs) to Pin28 and
find the output level difference
between Pin22 and Pin23 by
measuring the outputs of Pin22
and Pin23 independently
−0.3
0
SUB Balance
Between Channels
CBSUB
Input 1kHz (−4dBs) to Pin27 and
find the output level difference
between Pin22 and Pin23 by
measuring the outputs of Pin22
and Pin23 independently. The
above applicable to Pin28 ex-
cept that non−input to Pin28.
−0.3
0
Separation Check 1kHz
SEP1k
Pin1 input L Ch 100% DSB 1kHz
Measure phase difference be-
tween the outputs of Pin24 and
Pin23.
46
60
Crosstalk
(L − R) ↔ (SAP)
CTL−R SAP Pin26 and Pin41 Input 1kHz
(−4dBs)
Pin24 Output +1kHz BPF
−
−80
Crosstalk L ↔ SAP
CTLSAP
Pin27 and Pin28 Output 1kHz
(−4dBs)
Pin23 Output + 1kHz BPF
−
−80
Crosstalk R ↔ SAP
CTRSAP
Pin27 and Pin28 Input 1kHz
(−4dBs)
Pin22 Output + 1kHz BPF
−
−80
Stereo LPF Frequency
Characteristics (6fH)
(L + R) LPF Frequency
Characteristics
(12kHz)
ALP1 6fH
ALP2 12k
Pin1 Input 6fH (−10dBs)
Pin37 Output
Pin34 Input 12kHz (−4dBs)
Pin29 Output
− −45
−5.2 −4.3
(L + R) LPF Frequency
Characteristics (2fH)
L − R LPF Frequency
Characteristics
(12kHz)
ALP2 2fH
ALP3 12k
Pin34 Input 2fH (−4dBs)
Pin29 Output
Pin26 Input 12kHz (−4dBs)
Pin24 Output
− −52
−6.5 −5.3
L − R LPF Frequency
Characteristics (2fH)
Stereo Capture Range
LOW
ALP3 2fH
CRLO
Pin26 Input 2fH (−4dBs)
Pin24 Output
Pin34 Input fH vicinity (−18dBs)
Measure the input frequency
when the LED of Pin19 goes on
and off by changing the burst
signal frequency
−
−
−52
−
Stereo Capture Range
HIGH
CRHI
Pin35 and Pin36, 1µF and 4.7µF 16.52 −
560Ω
Max
0.3
0.3
−
−67
−74
−74
−36
−2.8
−43
−4.0
−43
14.95
−
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
kHz
kHz
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