This circuit is from the Motorola Linear Databook of 1990 and can be implemented with other operational amplifiers. The power supply must be symmetrical.
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...