This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be applied to modern equivalent transistors.
This circuit was found in the April 1993 Electronics Now magazine. With it, it is possible to...
This old oscillator using germanium transistors has a high impedance headphone as inductor to...
The circuit in the figure is suggested by Linear Technologies (www.linear.com) and consists of a...