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TDA2555 - Dual TV sound demodulator circuits

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Part number TDA2555
Manufacturer NXP
File Size 65.25 KB
Description Dual TV sound demodulator circuits
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Description

TDA2555 TDA2557 The circuits incorporate two FM demodulator systems to perform the demodulator functions required in a dual sound carrier TV system for demodulating the sound carriers.The difference between TDA2555 and TDA2557 is the number of stages of the limiting amplifier. Eight (TDA2555) or five (TDA2557) stage limiting amplifier Quadrature demodulator for FM detection De-emphasis stage Output amplifier Mute function for each FM demodulat

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