This excellent 30 W tube amplifier appeared in the April 1963 Radio Electronics magazine that taught how to assemble it. The critical components in our time are tubes and transformers.
This circuit was obtained in a 90s 73 magazine for radio amateurs. The power transistor must have...
The circuit shown is an AM radio for the Japanese mid-wave range of the 1960s. The circuit has a...
This circuit brings together the drawing of the sports lottery, lotto and sena in a single digital...