Found in a 90s QST magazine, this circuit uses components from that time. No information is given about the transformer.
This circuit encodes the two channel signals from an amplifier for a multiplex-stereo...
This circuit was found in a 1965’s General Electric documentation. It is intended for low voltage...
June 2017 - The new ROHM Low Dropout Voltage Regulators (LDOs) for 3.3 V or 5.0 V high accuracy...