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UTC31002 - TELEPHONE TONE RINGER

Description

The UTC 31002A is a bipolar integrated circuit designed for telephone bell replacement.

It can also be used as alarms or other alerting devices.

Features

  • Designed for telephone bell replacement.
  • Low current drain for multiple extension of lines.
  • Adjustable 2-frequency tone.
  • Adjustable warbling rate.
  • Built-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
  • Programmable for initiation current by simple external resistor DIP-8 PIN.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UTC 31002A LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER DESCRIPTION The UTC 31002A is a bipolar integrated circuit designed for telephone bell replacement. It can also be used as alarms or other alerting devices. SOP-8 FEATURES *Designed for telephone bell replacement. *Low current drain for multiple extension of lines. *Adjustable 2-frequency tone. *Adjustable warbling rate. *Built-in hysteresis prevents false triggering and rotary dial 'CHIRPS'. *Programmable for initiation current by simple external resistor DIP-8 PIN CONFIGURATIONS Vcc 1 2 3 4 8 7 6 5 Output High Freq. Time Constant High Freq. Time Constant GND RSL Low Freq. Time Constant Low Freq.
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