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KA2410/KA2411,pdf (TELEPHONE T

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  • 标      签: telephone

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THE KA2410/2411 IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FORTELEPHONE TONE RINGER.THESE DEVICES CONSISTS OF AN OUTPUTAMPLIFIER, TWO OSCILLATORS, AND POWER SUPPLY CONTROL CIRCUIT.FEATURESLow current drainAdjustable 2 tone frequencyHysteresis 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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