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.
This circuit is from a 1980s Motorola documentation. The circuit can be set to fire from 60 to 120...
This amplifier was found in an old publication of 1990. With the changes, it may still be...
In the figure we have a very low current DC to DC converter using a 555. The circuit can have...