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.
The voltage gain of this DC amplifier is 100 times, given by the relationship between R2 and R1....
This device works with conventional analog phones where the headset is a magnetic type. The signal...
This full-wave precision circuit was obtained from a 90's Radio Electronics. The circuit must be...