In the figure we have a good rectangular signals generator with several frequency bands. The circuit is based on old logic but can be implemented with modern equivalents.
For inductive loads we have the configuration shown in the figure. Note that the optical coupler...
This is one of many Morse code audio oscillators that can be found in this section. The circuit...
August 2017 - Mouser Electronics has already for dispatch Microchip MIC28515 Controlled Regulators for...