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NTE7129 fiches techniques PDF

NTE - Integrated Circuit IF Signal Processing (Super PLL-II VIF SIF) Circuit

Numéro de référence NTE7129
Description Integrated Circuit IF Signal Processing (Super PLL-II VIF SIF) Circuit
Fabricant NTE 
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NTE7129 fiche technique
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NTE7129
Integrated Circuit
IF Signal Processing (Super PLLII VIF + SIF)
Circuit for TVs & VCRs
Description:
The NTE7129 is an intercarriertype VIF + SIF integrated circuit in a 24Lead DIP type package that
supports excellent sound and image quality. The pin assignment of the NTE7129 is identical to that
of the NTE7130, allowing the NTE7130 to be used for split systems while the NTE7129 is used for
intercarrier systems. In addition, the NTE7129 suppresses Nyaquist buzz interference by using a PLL
(PhaseLock Loop) detection system with a buzz canceller in order to provide the best sound quality
possible.
Features:
D Excellent Buzz and BuzzBeat Characteristics due to PLL
D BuiltIn APC Time Constant Switch
D Duplicate Time Constant System Suited for HighSpeed AGC
D Excellent DG and DP Characteristics
D RF AGC Adjustment is Simple
Functions:
VIF Block
D VIF Amplifier
D VCO
D APC Filter
D B/W NC
D AFT
D IF AGC
SIF Block
D Limiter Amplifier
Mute
D Audio Mute (Pin2)
D IS15 Switch (Pin13)
D PLL Detector
D Equalizer Amplifier
D Lock Detection
D RF AGC
D APC Detector
D Buzz Canceller
D FM Quadrature Detector
D AV Mute (Pin4)

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