We found this balanced modulator circuit for DSB and possibly SSB transmissions in US 1980s telecommunications documentation. The diodes can be replaced with equivalents.
The crystal in this circuit is 32.758 kHz used in TV. The circuit was obtained in an English...
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This very low current circuit was found in the April 1995 issue of Electronics Now magazine. The...