The purpose of this circuit is to check the linearity of SSB amplifiers. The circuit was found in an old documentation for hams. The diode is a general purpose detector type.
Wired to the output of any amplifier this circuit makes an incandescent lamp flash according the...
This circuit is from an English magazine from 1976. By replacing the transistor for a BC548, the...
The transducer used in this configuration that appears elsewhere on this site is a piezoelectric...