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FX818

更新时间： 2022-04-01 09:21:10

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FX818 数据手册

CTCSS Signalling Processor

FX818

CONTENTS

Section

Page

1.0 Features .......................................................................................................... 1

1.2 Block Diagram ................................................................................................ 3

1.3 Signal List ....................................................................................................... 4

1.4 External Components.................................................................................... 6

1.5 General Description....................................................................................... 7

1.5.1 Software Description ..................................................................... 7

1.6 Application Notes......................................................................................... 18

1.6.1 General.......................................................................................... 18

1.6.2 Transmitter ................................................................................... 18

1.6.3 Receiver (Decode)........................................................................ 18

1.6.4 Receiver (Fast Detect) ................................................................. 19

1.6.5 General Purpose Timer................................................................ 19

1.6.6 Tx / Fast Rx Tone Table............................................................... 19

1.6.7 Rx Program Tone Table............................................................... 20

1.7 Performance Specification.......................................................................... 21

1.7.1 Electrical Performance ................................................................ 21

1.7.2 Packaging ..................................................................................... 26

Note: As this product is still in development, it is likely that a number of changes and additions will be made to

this specification. Items marked TBD or left blank will be included in later issues.

ã 1997 Consumer Microcircuits Limited

D/818/4

123 4 5 6 7...26

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