ELECTRONIC TWO – TONE RINGER

BL1240 is a monolithic integrated circuit designed to repace mechanical bell in telephone sets in connection with an electro-acoustical converter. It CAN drive directly a piezoceramic converter (buzzer) or a dynamic loudspeaker. By Shanghai Belling Co, Ltd
BL1240 's PackagesBL1240 's pdf datasheet



BL1240 Pinout, Pinouts
BL1240 pinout,Pin out
This is one package pinout of BL1240,If you need more pinouts please download BL1240's pdf datasheet.

BL1240 Application circuits
BL1240 circuits
This is one application circuit of BL1240,If you need more circuits,please download BL1240's pdf datasheet.


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