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 73 magazine for radio amateurs of the 90s. The circuit uses two types...
June 2017 - Mouser Electronics has in stock the new AC Metallized Polypropylene Film Capacitors...
This circuit of two transistors was found in a Japanese magazine in 1967. The transistors are made...