This is yet another balanced modulator circuit for SSB transmission. This two-diode circuit was found in a 1980s documentation. The diodes are commonly used.
This traditional TTL anti-clock setting was found in a 1993 American documentation. The circuit...
This super regenerative detector circuit was found in an English documentation from 1963. The coil...
In the figure we have the way to use an operational amplifier on a higher voltage source than it...