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 documentation from the 90s, this circuit limits and amplifies a voice signal in the 800...
This circuit was found in documentation from the 90s. The operational amplifier is NE5514, which is...
We found this circuit in the August 1970 issue of Radio Elecronics magazine. It uses the CA3018...