TEF6894H datasheet(38/55 Pages) PHILIPS

부품명	TEF6894H

상세설명	Car radio integrated signal processor

PDF	55 Pages

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제조업체	PHILIPS [NXP Semiconductors]

홈페이지	http://www.nxp.com

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38 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

Table 44 Description of data byte CH, see Figs 16 to 19

Table 45 Loudness gain

BIT

SYMBOL

DESCRIPTION

−

Not used. Set to logic 0.

6 to 2

LDN[4:0]

Loudness gain. See Table 45.

LLF

Loudness low boost frequency. 0 = 50 Hz; 1 = 100 Hz.

LHB

Loudness high boost enable. 0 = loudness low boost is enabled; 1 = loudness low

boost and loudness high boost are enabled.

LDN4

LDN3

LDN2

LDN1

LDN0

LOUDNESS CONTROL (dB)

00000

00001

−1

00010

−2

:::::

10010

−18

10011

−19

10100

−20

handbook, full pagewidth

−24

−20

−16

−12

−8

−4

−22

−18

−14

−10

−6

−2

MHC343

Gloudness

(dB)

faudio (Hz)

102

103

104

105

Fig.16 Loudness gain Gloudness as a function of audio frequency faudio;

low boost frequency 50 Hz and high boost on.

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