This dual-operator thermometer circuit was found in the September 1982 issue of Radio Electronics magazine. The sensor consists of a general-purpose transistor.
This 3-transistor amplifier stage was found in documentation from 1963. The transistors are made...
This circuit makes use of high voltage transistors and can be connected to the 110 V (117 V)...
This biestable vox circuit was found in an old documentation. The circuit makes use of components of...