产品详情
  • 产品名称:电话机电路 KA2411

  • 产品型号:KA2411
  • 产品厂商:
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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

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