The circuit shown in the figure below is from the 1993 Linear Technology Applications. The operational ones used are uncommon and the use of equivalents can be analyzed.
This amplifier provides a power near to 1W. The supply must be made with a voltage of 9 V coming...
Found in a Popular Electronics from the 90s, this circuit reaches 100 kHz and battery power is...
Motors up to 2 A DC can be controlled by this circuit that we find in the manual for linear...