INTRODUCTION

The S1T2410B01/B02 is a bipolar integrated circuit designed as a telephone bell replacement.

FEATURES

• Designed for telephone bell replacement

• Low drain current

• Small size MINIDIP package

• Adjustable 2-frequency tone

• Adjustable warbling rate

• Built-in hysteresis prevents false triggering and rotary dial ‘CHIRPS’

• Extension tone ringer modules

• Alarms or other alerting devices

• External triggering or ringer disable (S1T2410B01)

• Adjustable for reduced initial supply current (S1T2410B02)

FUNCTIONS

• Two oscillators

• Output amplifier

• Power supply control circuit