DESCRIPTION

THE KA2410/2411 IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR TELEPHONE TONE RINGER.THESE DEVICES CONSISTS OF AN OUTPUT AMPLIFIER, TWO OSCILLATORS, AND POWER SUPPLY CONTROL CIRCUIT.

FEATURES

♦ Low current drain

♦ Adjustable 2 tone frequency

♦ Hysteresis circuit prevents false triggering and rotary dial “CHIRPS”

♦ 8 pin DIP plastic package

♦ External triggering or ringer disables (KA2410)

♦ Adjustable for reduced supply initiation current (KA2411)

APPLICATIONS

♦ Telephone bell replacement

♦ Extension tone ringer modules

♦ Alarms or other alerting devices