This circuit comes from a 1966 NASA documentation. The circuit makes use of discrete components and is suitable for generate 455 kHz IF signals.
This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to...
We found this simple oscillator in a 1977 amateur radio documentation. It can oscillate up to 30...
This configuration appears in other points of the site both in articles and project suggestions. The...