Ben Dawson is former managing partner of Hatfield & Dawson Consulting Engineers and now a senior consultant to the firm. He is a recipient of the Radio Engineering Achievement Award from the National ...

The AM For Every Vehicle Act is close to passing, making broadcast AM capability a requirement in new cars sold in the United States. The Act has wide support in both Senate and Congress, on both ...

The fight over the future of AM radio got a little more heated this week as organizations representing the auto and technology industries told Congress that its plan to mandate this mode of radio wave ...

Seinäjoki, Finland was a tough place to be a budding geek back in 1985. Just ask Eero Tunkelo, a grade school student with a doctor for a father, a mother who taught sewing and textile design, and a ...

An old — on second thought, make that “very old” — Sony AM/FM broadcast transistor, which I somehow acquired, finally got a little too cranky for me, Figure 1. The analog-dial tuning knob was sluggish ...

Cambridge seemed to go balls to the walls this CEDIA with the announcement of four tabletop radios. They range from a basic 705 model all the way up to the complex 745 featuring iPod/Zen docking ...

Can you believe AM radio is still around? Me and a few others still do use it. I listen mostly in the car for traffic, weather, and news, though sometimes I listen to talk programs on a small AM/FM ...

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 ...

The authors are consultant and president, respectively, at Kintronic Labs Inc. in Bristol, Tenn. AM radio constitutes the most bandwidth-efficient broadcast medium and provides an essential service to ...