This interesting circuit for SMD assembly appeared in the November 1987 issue of Radio Electronics magazine. The phonons are generated by selected resistors that are fitted to the assembly.
This is stage is transformer coupled and was found in na old publication of the year 1958. The...
This circuit was published in an article in Electronics Now magazine in October 1995. The circuit...
This circuit can be used in physics experiments, in ionization and in several other applications. The...