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 is from an April 2000 Poptronics. The magazine no longer exists, but the circuit can...
This circuit was obtained from an Electronics World of 1969. General-purpose transistors can be...
The circuit shown in the figure has a more efficient action, with an attenuation of 12 dB per...