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KA2410/KA2411,pdf (TELEPHONE T
消耗积分:10 |
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大小:344 |
2010-07-04
路过秋天
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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)
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)
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