TEF6894H datasheet(30/55 Pages) PHILIPS

30 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

handbook, halfpage

1.25

VMPXRDS(rms) (V)

Veq

(V)

0.25

0.5

0.75

MHC332

(1)

(2)

(3)

(4)

Fig.5

Equivalent level voltage Veq (USN and MPH

detector) as a function of MPX signal at

150 kHz.

(1) USS[1:0] = 11 =

−6 V/0.5 V.

(2) USS[1:0] = 10 =

−4 V/0.5 V.

(3) USS[1:0] = 01 =

−3 V/0.5 V.

(4) USS[1:0] = 00 =

−2 V/0.5 V.

handbook, halfpage

VLEVEL(p-p) (V)

Veq

(V)

0.2

0.4

0.6

0.8

MHC333

(1)

(2)

(3)

(4)

Fig.6

Equivalent level voltage Veq (WAM and

MPH detector) as a function of level input at

21 kHz.

(1) (1): WAS[1:0] = 11 =

−6 V/0.4 V.

(2) (1): WAS[1:0] = 10 =

−4 V/0.4 V.

(3) (1): WAS[1:0] = 01 =

−3 V/0.4 V.

(4) (1): WAS[1:0] = 00 =

−2 V/0.4 V.

11.2.5

SUBADDRESS 7H; SNC

Table 26 Format of data byte 7H with default setting

Table 27 Description of data byte 7H

BIT 7

BIT 6

BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

BIT 0

SST3

SST2

SST1

SST0

SSL1

SSL0

HCMP

HCSF

01110100

BIT

SYMBOL

DESCRIPTION

7 to 4

SST[3:0]

Start of the stereo blend SNC. See Table 28 and Fig.7.

3 and 2

SSL[1:0]

Slope of the stereo blend SNC. See Fig.8.

HCMP

High cut control source. 0 = control by the level (LEV) detector; 1 = control by the

multipath (MPH) detector.

HCSF

High cut control minimum bandwidth. 0 = 2 kHz; 1 = 3 kHz.

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