We found this circuit in a 70s Electronic Design documentation. The circuit uses general-purpose transistors from the time. Linearity is better than 0.25%.
This small audio amplifier was found in the May 1994 issue of Electronics Now magazine. The power...
This circuit uses 3 FETs to convert the high impedance signal from a crystal or ceramic microphone to a...
This circuit is from an 80's Radio Electronics. It triggers a load powered by the power grid from...