Datasheet4U Logo Datasheet4U.com

UTCTA31001 - TELEPHONE TONE RINGER

General Description

The UTC TA31001 is a bipolar integrated circuit designed for telephone bell replacement.

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

Key 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 voltage by simple external resistor. DIP-8 BLOCK.

📥 Download Datasheet

Other Datasheets by Unisonic Technologies

Part Number Description
UTCTA31002 TELEPHONE TONE RINGER
UTCTA31002A TELEPHONE TONE RINGER
UTCTA2003 AM/FM RADIO IC
UTCTA7368P 0.6W AUDIO POWER AMPLIFIER
UTCTA7613AP I-CHIP AM/FM RADIO IC
UTCTA7640AP AM/FM IF PROCESSOR
UTCTA7668BP DUAL PRE-AMPLIFIER FOR TAPE RECORDER
UTCTA7738P AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER
UTCTA8207K LOW FREQUENCY POWER AMPLIFIER
UTCTDA2003 10W CAR RADIO AUDIO AMPLIFIER

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.

View original datasheet text
UTC TA31001 LINEAR INTEGRATED CIRCUIT TELEPHONE TONE RINGER DESCRIPTION The UTC TA31001 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 voltage by simple external resistor. DIP-8 BLOCK DIAGRAM R2 C3 R3 4 7 6 3 C2 LOW OSC HIGH OSC AMP 8 OUTPUT 1 POWER SUPPLY (WITH HYSTERESIS) 5 2 Note:R2,R3,C2 and C3 are parts externally mounted UTC UNISONIC TECHNOLOGIES CO.