This interesting reflex receiver used a different component, which at the time was showing up. The receiver is from a 1924 documentation and used a sodion tube.
The presented circuit is suggested by Texas Instruments (www.ti.com) in its Application Report...
This circuit was found in an old American publication. It is valid for any operational. Formulas for...
This frequency corresponds to musical note C3. Frequency accuracy depends on the accuracy of the...