This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
This circuit prevents the passage of frequencies in a range starting at 1 kHz and can be adjusted...
This super regenerative detector circuit was found in an English documentation from 1963. The coil...
This circuit is in the very datasheet of Texas Instruments that manufactures the component...