This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an old documentation. Transistors are general purpose types.
This circuit that has a response from 10 Hz to 700 kHz was found in Philips documentation from 1968. Dual...
This circuit is from old documentation, using a component that cannot be found easily today. The...
This circuit was found in an ancient American documentation. The integrated circuit is of the time...