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AN97 Datasheet - Maxim Integrated Products

AN97 - Telephone Tone Generator

SIGNAL GENERATION CIRCUITS Application Note 97: Jul 09, 1998 Telephone Tone Generator Requires No Trimming Many products that connect to phone lines (modems, for instance) incorporate a "callprogress monitoring" function known as CPM.

CPM circuits "listen" to the lines as a human would, and respond according to what they "hear." You shouldn't dial a number unless you first hear a dial tone, for example.

Neither should your computer.

Tone accuracy is not very important when people monitor the c

AN97_MaximIntegratedProducts.pdf

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Datasheet Details

Part number:

AN97

Manufacturer:

Maxim Integrated ↗ Products

File Size:

465.28 KB

Description:

Telephone tone generator.

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