This is the commercial circuit for the TRF-44 amplifier sold in Japan in the 1960s. The circuit provides a few hundred milliwatts and is intended to be used as small, battery-powered turntables.
The circuit shown in the figure on the right can be used on a data transfer bus with the use of an...
This circuit is suggested by an English publication from 1980. It is an RF detector that uses a...
This very low voltage circuit with the LMV321 was obtained from its own datasheet. The circuit can be...