TEF6894H datasheet(29/55 Pages) PHILIPS

Part #	TEF6894H

Description	Car radio integrated signal processor

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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29 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

Table 23 Description of data byte 6H

Table 24 Setting of the time constants of the LEVEL detector

Table 25 Setting of the time constants of the MPH detector (level, WAM and USN)

BIT

SYMBOL

DESCRIPTION

7 and 6

USS[1:0]

USN sensitivity for weak signal processing. See Fig.5.

5 and 4

WAS[1:0]

WAM sensitivity for weak signal processing. See Fig.6.

3 and 2

LET[1:0]

LEVEL detector time constant. See Table 24.

1 and 0

MPT[1:0]

MPH detector time constants (level, WAM and USN). See Table 25.

LETF

LET1

LET0

tLEVEL (s)

ATTACK

DECAY

000

001

1.5

0.5

1.5

0.5

0.17

0.5

0.06

0.17

0.06

MPT1

MPT0

tMPH (s)

ATTACK

DECAY

0.5

0.25

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