This OF-1 LO oscillator was found in a 1980s American documentation. The transistor can be any general-purpose and C1 / C2 are determined by the frequency.
This circuit was found in a European documentation from 1964. The circuit makes use of components of...
This circuit consists of a design improvement that we have previously published (1982), obtaining a new...
This adjustable circuit from 0 to 200 nA was found in a 90's EDN. The components can still be...