A note about analog inputs: if a composite signal with wideband chroma is fed to the demodulator directly without going through the RF and IF stages that cut off the upper chroma sidebands, wideband chroma can be demodulated without quadrature distortion. Since the chroma filters in analog sets are not strictly brick-wall, you can typically see some improvement in color detail rendition when using a composite or S-video input instead of RF.
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