This commercial receiver for the mid-wave range of the 1960s was found in Japanese documentation at the time. The supply is 9 V, and the configuration is superheterodyne type.
This circuit was found in the February 1983 issue of Radio Electronics magazine. It is a 4-digit...
This filter that can use any operational was found in a French documentation from 1982. The power...
This dimmer constrols the temperature of a wire used to print images in wood or other materials....