This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit uses a transformer for excitation and requires 10W input for full output power.
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...