Music generator using UM66

A music generator using UM66 IC is shown above,

UM66 is a pleasing music generator IC which works on a supply voltage of 3V. the required 3V supply is given through a zener regulator. its out put is taken from the pin no1 and is given to a push pull amplifier to drive the low impedance lowd speker. A clss A amplifier before pushpull amplifier can be used to decrese the noise and improve out put. UM66 is a 3 pin IC pakage just looks like a BC 547 transistor.

Pin out of UM66 IC

Features of UM66T series

62 Note ROM Memory
Voltage rating: 1.3V to 3.3 V
Power on reset