Used with infrared remotes at the time, this circuit was found in a 1991 RE Experimenter Handbook. It may not work with the faster remotes control used today.
This active crossover filter was obtained from the component manual used. Below is the performance...
This circuit is from an 80's documentation. It makes use of two SCRs with current capacity...
This interesting idea was found in a 1983 publication and is very simple to analyze, according to the...