We found this circuit in a Radio Electronics from October 1963. The circuit uses an output transformer with a center tap. The trimpot is adjusted for higher gain and lower quiescent current.
This circuit generates a 1 MHz signal for general equipment calibration. The circuit is from an...
This circuit was found in a 1992 documentation. It uses a photo diode as a receiver and an...
This amplifier for audio transmission lines was found in a 1961 American publication. The critical...