“Diode Modulation” is a simple means of creating an AM signal. The exciter creates the carrier. Audio is combined to create amplitude and sidebands and then sent to a half-wave rectifier. This signal ...

Series 38 consists of literature, data, and photos pertaining to different types and models of vacuum-tube type radio transmitters. It includes lists of vacuum-tube transmitters made by different ...

In a continuing series, Radio magazine is interviewing authors of the recently published 11th edition of the NAB Engineering handbook about their particular chapters. Jeff Welton contributed to ...