This boost amplifier was found in a Popular Electroniics from the 90s. The circuit operates up to 20 MHz depending on the coils used.
This small auxiliary amplifier was found in a Radio Electronics from May 1958. Power is supplied with...
This traditional triplier configuration with the 555 can be found in other articles on the...
Indicated for activation by microcontrollers, this circuit was found in the Radio Electronics...