We found this circuit in a Radio Electronics magazine from June 1992. The circuit has a power stage and is used with 4.5 MHz video TV signals.
To operate in a harmonic of the crystal frequency, tuned to a trimmer in the resonant circuit of...
The integrated circuit used in this Electronics Now amplifier is not very common today. However,...
This old circuit, from the 80's, uses an integrated circuit that is uncommon today. The circuit is...