The power supply for this 1972 circuit must be symmetrical and the BC549 transistors. Care with the layout is important to avoid capturing tinnitus.
This small automotive NiCad battery charger uses only passive components and has the number of...
This circuit generates pulses whose duration determines the position of a remote-control servo. The...
This ultra-low distortion driver was found in 80's Analog Devices documentation. The circuit has a...