Baseband Signal Processor

FX829

© 1997 Consumer Microcircuits Limited

20

D/829/4

1.6

Application Notes

The following block diagrams show the possible arrangements for the pre- and de-emphasis required

by PAA1382 and MPT1327 specifications.

Figure 7a Transmitter Pre-emphasis

(showing both pre-emphasis positions, as required by the PAA1382 specification.

Remove pre-emphasis 2 for the MPT1327 specification requirement)

Figure 7b PAA1382 Receiver De-emphasis

(showing position of de-emphasis in all paths, as required by the PAA1382 specification)

Figure 7c MPT1327 Receiver De-emphasis

(showing position of de-emphasis in audio path only, as required by the MPT1327 specification)