This is the circuit of a modified Heathkit kit. The circuit was found in a Radio Electronics from December 1965. The author of the circuit included improvements to the original circuit.
The figure shows an application of the LM377 in a small inverting stereo amplifier with output...
This circuit was found in a 1967 General Electric documentation. The circuit generates signals...
In the figure we have another application for the LT3518 integrated circuit from Linear Technology...