Electronic Ring Bell using an UJT (CB439)

Details

Published: Wednesday, 10 June 2015 00:00

Written by Newton C. Braga

This circuit uses two oscillators to produce a sound that seems the sound of a ring-bell. The output must be applied to an amplifier stage driving a loudspeaker. P1 and P2 adjust the effects. The circuit is powered from cells or a 6-V power supply.

Electronic Ring Bell using an UJT