TDA8305A AGC and line / field scanning signal processing integrated circuit diagram

Published:2012/8/16 22:10:00 Author:Ecco | Keyword: medium , line , field scanning , signal processing, integrated circuit | From:SeekIC

TDA8305A is the image, AGC and line, field scanning samll-signal processing integrated circuit produced by Philips, and it is widely used in the Philips series of large-screen movements, color TVs.TDA8305A integrated circuit includes: image IF amplifier, AGC amplifier, AGC detector circuit, AGC control circuit; audio amplifier circuit, frequency discriminator, volume control, audio preamplifier circuit; sync separation circuit, phase detector circuit; line oscillation circuit, output circuit, X -ray protection circuit; field excitation circuit and its subsidiary circuits. Its internal block diagram is shown in Figure 1. TDA8305A IC uses 28-pin double row of plug-in package, and the pin functions and data are shown in Table 1.



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