This 50 W amplifier was found in the November 1983 Radio Electronics issue. The circuit is suitable for the case and includes a preamp with tone control using off-the-shelf components.
Delayed Pulse Generator This can be considered an "advanced" application where two 555 integrated...
We found this circuit in a 1994 publication. It makes use of a divider for 16 384 CMOS type 4060. By...
This buffered version of the previous circuit appeared in an article in the September 1989 Radio...