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NTE1690 Integrated Circuit Telephone DTMF Dialer

NTE1690 Description

NTE1690 Integrated Circuit Telephone DTMF Dialer .
The NTE1690 is a low threshold voltage, field. implanted, metal gate CMOS integrated circuit in a 16. Lead DIP type package.

NTE1690 Features

* D 3V to 10V Operation When Generating Tones D 2V Operation of Keyscan and MUTE Logic D Static Sensing of Key Closures or Logic Inputs D On
* Chip 3.579545MHz Crystal
* Controlled Oscillator D Output Amplitudes Proportional to Supply Voltage D High Group Pre
* Emphasis D Low Harmon

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Datasheet Details

Part number
NTE1690
Manufacturer
NTE
File Size
31.70 KB
Datasheet
NTE1690_NTEElectronics.pdf
Description
Integrated Circuit Telephone DTMF Dialer

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Integrated Circuit Telephone DTMF Dialer NTE
NTE NTE1690-like datasheet