UM66 - Music Calling Bell

General Description

This is the simplest ever musical calling bell that can be easily built.

It uses the musical 3 pin IC UM66 and a popularly known Transistor BC548b.

UM66 music calling bell by Unknown Manufacturer - Datasheet Preview

Datasheet Details

Part number	UM66
Manufacturer	Unknown Manufacturer
File Size	151.16 KB
Description	Music Calling Bell
Datasheet	UM66 Datasheet

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Full PDF Text Transcription (Reference)

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www.DataSheet4U.com Musical Calling Bell By Kalyan Prodhan www.kalyan-prodhan.tk Connection Diagram Component List with cost (Approximate) Component Description (IC and Transistor) Precaution Modification for adaptation This is the simplest ever musical calling bell that can be easily built. It uses the musical 3 pin IC UM66 and a popularly known Transistor BC548b. The circuit can be made even without soldering and the ideal for the first electronic project for newbies. Here the musical IC UM66 generates the music when it receives supply and drives a small speaker through a class c amplifier using silicon transistor BC548b. Description: UM 66 Fig-1 : Connection Diagram The connection diagram is shown below. The component details with cost is also with this.