We found this balanced modulator circuit for DSB and possibly SSB transmissions in US 1980s telecommunications documentation. The diodes can be replaced with equivalents.
May 2017 - Mouser Electronics is already in stock with the new BCP1395 transistors from Nexperia....
This circuit was obtained from an 80's Electronic Engineering. The circuit detects ice formation...
We found this circuit in an old manual. The bypass range is 20 MHz and the power supply must be...