This is Make a simple power amplifier – LM 380. Almost all the components are contained in a single 14 pin package and requiring few external components. The supply voltage can be from about 8 volts to not more than 15 volts. The device is supposed to have internal current limiting and be almost indestructable. […]
Archives for November, 2009
Galaxy control systems circuit Using C945
Circuit diagram keytop and display A keyboard “key figure” who work with electrical contact between the surface of the keyboard and the underlying circuit when pressed keytop area, used by some home computers the early 1980s, and has been widely used in consumer electronic devices.
Power supply and power control circuit diagrams This reference manual contains useful background information on switching power supplies for …. Driving power amp audio in Power Supply Applications. 2Way Power Supply
HA1398 Schematic audio amplifier