The values of the indicated components in this circuit of a 1967 Electronics World, are for a frequency of 512 kHz. The power can be between 6 and 22 V and the FET is a general-purpose type.
This circuit is from an old technical documentation from Spain. The circuit uses a FET that is...
Found in a documentation from the 90's, this circuit already includes an amplification stage. The...
This circuit, called Kames Dandy, can mix signals from a wide range of frequencies and is...