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NTE1648

Part Number	NTE1648
Manufacturer	NTE
Description	Integrated Circuit Telephone Tone Ringer
Published	May 9, 2005
Detailed Description	NTE1648 and NTE1649 Integrated Circuit Telephone Tone Ringer Description: The NTE1648 and NTE1649 are bipolar integrated...
Datasheet	NTE1648 PDF File

Overview

NTE1648 and NTE1649 Integrated Circuit Telephone Tone Ringer Description: The NTE1648 and NTE1649 are bipolar integrated circuits in an 8–Lead DIP type package designed for telephone bell replacement.
Functions: D Two Oscillators D Output Amplifier D Power Supply Control Circuit Features: D Designed for Telephone Bell Replacement D Low Current Drain D Small Size 8–Lead MINIDIP Package D Adjustable 2–Frequency Tone D Adjustable Warbling Rate D Built–in Hysteresis Prevents False Triggering and Rotary Dial “CHIRPS” D Extension Tone Ringer Modules D Alarms or Other Altering Devices D External Triggering or Ringer Disable (NTE1648) D Adjustable for Reduced Supply Initiation Current (NTE1649) Abso...

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