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SAN3021 - Single Chip Telephone: Using dynamic microphone as tone ringer

Description

2 HARDWARE CONFIGURATION 2 6.1 USING THE DYNAMIC MICROPHONE AS TONE RINGER (SCHEMATIC :A) 2 6.1.1 Ringer part 2 6.1.2 Microphone amplifier part 3 6.2 AMPLIFIER FOR GENERAL PURPOSE APPLICATIONS (SCHEMATIC :B) 3 7 APPLICATION SCHEMATIC: 4 8 LIABILITY AND COPYRIGHT STATEMENT 5 3 Other applicable

Features

  • Updating existing systems using dynamic handset microphone.
  • No need for a piezo ringer when using the dynamic microphone as tone ringer Table of Contents 1 2 3 4 5 6 SCOPE 1 KEY.

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Datasheet Details

Part number SAN3021
Manufacturer Sames
File Size 31.07 KB
Description Single Chip Telephone: Using dynamic microphone as tone ringer
Datasheet download datasheet SAN3021 Datasheet
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Full PDF Text Transcription

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sames SAN3021 APPLICATION NOTE SA2531/2 Single Chip Telephone: Using dynamic microphone as tone ringer 1 Scope This Application Note describes how to modify the standard application AN1500A to use a dynamic microphone instead of the standard electret microphone. Additionally, an application is shown, which uses the dynamic microphone as tone ringer. 2 Key Features • Updating existing systems using dynamic handset microphone • No need for a piezo ringer when using the dynamic microphone as tone ringer Table of Contents 1 2 3 4 5 6 SCOPE................................................................................................................................................................. 1 KEY FEATURES ..............................................................................
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