产品[
电话机电路 KA2411
]资料
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产品名称:
电话机电路 KA2411
产品型号:
KA2411
产品展商:
上海图一实业有限公司
关注指数:4708
产品文档:
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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.
电话机电路 KA2411
的详细介绍
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