This dual balanced modulator configuration was obtained in a 1980s telecommunications documentation. The circuit makes use of transformers and the diodes are commonly used.
For the 400 to 500 MHz bands, this circuitry found in an 80's documentation uses a very critical...
This circuit is used in analog-to-digital converters based on a voltage that is sampled and is...
This charger was found in an old Motorola manual using an SCR from this company, which, however, can...