The familiar real estate adage “location, location, location” rings true these days for huge tracts on the outskirts of major cities — sites that for decades housed AM radio towers but that today ...

[Angus McInnes] has been working on AM radio transmission techniques. He tried out a method of using a VGA port for the task but found the vertical blanking was audible. His latest experiments use a ...

My first thought when I heard we were going to replace our 16-year-old Nautel ND50 transmitter with a Nautel NX50 was, “Where are we going to put it?” Our site at AM 670 KLTT was out of room. We had a ...

This transmitter is basic but allows transmission of audio to an AM radio. It consists of an RF oscillator operating in the AM broadcast band, together with a modulator stage, which mixes the incoming ...

One in a series about the winners of Radio World’s “Cool Stuff” Award. Hey, it fits in seven rack spaces! Armstrong isn’t one of the “glamour boys” of transmitters. But this 13-year-old company with ...

This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the amplitude modulation transmitter in conjunction with ...

[Alex Lao] has been playing around with the CPLD-like parts of a PSoC. Which is to say, he’s been implementing simple logic functions “in hardware” in software. And after getting started with the chip ...