All items tagged with simple and loudspeakers (3)

1-07-2011 | This square wave generator and tester is based on audio amplifier chip type TBA820M. It is presented as a design idea for further refinement...

1-07-2001 | This circuit uses just two standard logic ICs which, with the accompanying receiver, forms a four-channel remote control and has been design...

1-07-1994 | The design of this amplifier is based on the assumption that, since the collector current of a transistor is, roughly, the same as the e...