TDA7514 datasheet(38/74 Pages) STMICROELECTRONICS

Numer części	TDA7514

Szczegółowy opis	SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

PDF	74 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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TDA7514

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Table 30. SUBADDRESS 15: Quality detection: gain and offset on FSmeter (SNC), multipath

detector rectifier gain

Table 31. SUBADDRESS 16: Quality Detection: Adjacent channel detector, HCC source, Quality

fast test, Quality AF check, ISS filter test

MSB

LSB

FUNCTION

FSmeter gain (SNC)

0 dB

(step = 0.15)

2.25 dB

FSmeter offset (SNC)

1.8 V

2.4 V

Multipath detector rectifier gain

5 dB

(step = 1.2dB)

+13.4 dB

MSB

LSB

FUNCTION

Qual adjacent channel detector rectifier gain

12 dB

17.3 dB

18.4 dB

20 dB

High cut control source

0SNC

FSmeter

Quality filters fast test mode

Test mode off

Test mode on

filt Smeter tau = 100 us

SNC filt internal 22 pF

Quality filters AF check freeze mode

AF check off

AF check on

filt Smeter tau = 100 us

60ms/1s Smeter filt freeze

MPath filt for StBlend freeze

USN filt for StBlend/AdjChMute freeze

Smeter filter time constant

01 s

10 ms

ISS filter test

ISS filter input

0std

filter in connected to Smeter test MUXer

ISS filter clock enable

clock off (test mode)

clock on (std)

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