UPC1876GT-E1 Просмотр технического описания (PDF) - NEC => Renesas Technology

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Компоненты Описание

производитель

UPC1876GT-E1

US MTS DECODER

NEC => Renesas Technology 

µPC1876

CONTENTS

1. INTERNAL EQUIVALENT CIRCUITS ............................................................................................ 6

2. FUNCTION OF EACH BLOCK ..................................................................................................... 13

2.1 Stereo Demodulation Block ................................................................................................... 14

2.2 SAP Demodulation Block ....................................................................................................... 15

2.3 dbx Noise Reduction Block ................................................................................................... 15

2.4 Matrix Block ............................................................................................................................ 17

3. EXPLANATION OF EACH FUNCTION ........................................................................................ 18

3.1 Mode Matrix Table ................................................................................................................... 18

3.2 MATRIX MUTE Pin .................................................................................................................. 18

3.3 F-MONAURAL SELECTION Pin ............................................................................................. 19

3.4 STEREO/SAP SWITCH Pin ..................................................................................................... 19

3.5 SAP 1/2 SWITCH Pin ............................................................................................................... 19

4. PRECAUTIONS ............................................................................................................................... 20

4.1 Impedance of Input Pins and Output Pins ........................................................................... 20

4.2 Output Load Impedance ........................................................................................................ 20

4.3 Cautions on External Components ....................................................................................... 21

4.4 Change of Electrical Characteristics Depending on External Components ..................... 21

4.5 BIAS (1.5 V) Pin ....................................................................................................................... 21

5. ADJUSTMENT PROCEDURE ........................................................................................................ 22

5.1 Stereo VCO Adjustment ......................................................................................................... 22

5.2 Filter Adjustment .................................................................................................................... 22

5.3 Separation Adjustment .......................................................................................................... 22

5.4 SAP VCO Adjustment ............................................................................................................. 23

5.5 List of Pin Settings in Adjustment ........................................................................................ 23

6. ELECTRICAL SPECIFICATIONS ................................................................................................... 24

7. MEASURING CIRCUIT ................................................................................................................... 35

8. DIFFERENCES BETWEEN THE µPC1876GT AND µPC1872GT ............................................. 36

9. PACKAGE DRAWING ..................................................................................................................... 37

10. RECOMMENDED SOLDERING CONDITIONS ............................................................................. 38

Data Sheet S11666EJ4V0DS00

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