We found this balanced modulator circuit for DSB and possibly SSB transmissions in US 1980s telecommunications documentation. The diodes can be replaced with equivalents.
This circuit was found in a 2005 Linear Technology application manual. The circuit monitors the...
This circuit, which can act as a shield, was found in a 90’s Radio Electronics. It enables a power supply...
Found in na 1970 EDN this circuit has a parallel regulation providing a symmetrical output of 15 V....