We found this balanced modulator circuit for DSB and possibly SSB transmissions in US 1980s telecommunications documentation. The diodes can be replaced with equivalents.
Found in a 1970 publication by General Electric, this circuit makes use of a mobile...
This circuit switches on an external load after a certain interval given by the capacitor. The...
Using common SCRs like the TIC106, this circuit is loaded with incandescent bulbs, but can be...