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In
the ’60 years, valves (electronic tubes) was universally used, mainly in the
radio-frequency part of a radio rig. The use of all transistor in a radio receiver to be
built by home constructors was an absolute challenge! The article demonstrated that this
was possible and, for this goal, complete description of assembly was given, joined with
electric drawings, drilling jig for chassis and component layout. A "state of the
art" for transistor amateur radio project. |