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 Testa o Croce (name in Italian) was obtained from an Italian magazine in 1994. The circuit can...
This stabilized source can supply currents up to 200 mA with the indicated transistor or 500 mA...
This oscillator does not carry any resonant circuit, except for the one formed by the crystal...