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, which can be used as a shield, was found in a 1980s documentation. The circuit can be...
This 4.5 MHz amplifier is suitable for analog TV applications. We found it in a 1967 Philips...
The integrated circuit used in this 1986 wireless microphone is not very common today. The L1 coil...