TDA7513 datasheet(40/58 Pages) STMICROELECTRONICS

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TDA7513

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SUBADDRESS 13: Demodulator Fine Adjust and Noise Blanker, MP Qual test

SUBADDRESS 14: Quality Detection Adjacent Channel

MSB

LSB

FUNCTION

Fm audio demodulator current adjust

000

µA

0.167

µA

---

111

2.51

µA

000

µA

0.167

µA

---

111

2.51

µA

Demodulator Noise Blanker AM Smeter extension

NB1&2 on (impvic&lontmas)

old (10.7MHz)

NB1 on (impvicmas)

old (10.7MHz)

NB2 on (implontmas0

new (450kHz)

NB1&2 off

new (450kHz)

Multipath (ISS) test

MP test OFF

MP test ON (ISS quality detector MP input from

#ACinL, ISS MP filter+rect output to Smeter test muxer

if input 12 is selected

MSB

LSB

FUNCTION

ISS Filter for WB

ISS filter 30KHz OFF

ISS filter 30KHz ON

ISS Adjacent Channel filter configuration

AC highpass frequency 100KHz

AC bandpass frequency 100KHz

AC gain

032dB

138dB

ISS Adjacent Channel threshold

AC wide band threshold 0.25V

AC wide band threshold 0.35V

AC wide band threshold 0.45V

---

AC wide band threshold 0.95V

AC narrow band threshold 0V

AC narrow band threshold 0.1V

AC narrow band threshold 0.2V

AC narrow band threshold 0.3V

TDA7513 数据表(PDF) 40 Page - STMicroelectronics

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