KA2411 - TELEPHONE TONE RINGERS
KA2411 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) 8-pin DIP APPLICATIONS ! ! ! Telephone
