Tone Ringer With Bridge Diode

The KA2418B 28 is a monolithic integrated circuit telephone Tone ringer with bridge Diode when coupled with an appropriate transducer, it replaces the electromechanical bell. This device is designed for use with either a piezo transducer or an inexpensive transformer coupled speaker to produce a pleasing Tone composed of a high frequencys (fH1, fH2) alternating with a low frequency (fS) resulting in a warble frequency. The supply voltage is obtained from the AC ring signal and the circuit is designed so that noise on the line or variation of the ringing signal CAN not affect correct operation of the device. By Samsung Semiconductor, Inc.
KA2418B 's PackagesKA2418B 's pdf datasheet

KA2418B Pinout, Pinouts
KA2418B pinout,Pin out
This is one package pinout of KA2418B,If you need more pinouts please download KA2418B's pdf datasheet.

KA2418B Application circuits
KA2418B circuits
This is one application circuit of KA2418B,If you need more circuits,please download KA2418B's pdf datasheet.

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