产品目录 PRODUCT
产品详情
简单介绍:
THE KA2411 IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR TELEPHONE TONE RINGER.THESE DEVICES CONSISTS OF AN OUTPUT AMPLIFIER, TWO OSCILLATORS, AND POWER SUPPLY CONTROL CIRCUIT.
详情介绍:
FEATURES
1 Low current drain
2 Adjustable 2 tone frequency
3 Hysteresis circuit prevents false triggering and rotary dial “CHIRPS”
4 8 pin DIP plastic package
5 External triggering or ringer disables (KA2410)
6 Adjustable for reduced supply initiation current (KA2411)
APPLICATIONS
1 Telephone bell replacement
2 Extension tone ringer modules
3 Alarms or other alerting devices