This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be applied to modern equivalent transistors.
This 48 V circuit with a capacity of up to 105 V was found in a 2005 Linear Technology manual. The...
This miniature railway control circuit was found in an English documentation from the 1980s. The...
This circuit was found in a 1996 documentation. It is a photometer with a logarithmic scale of...