Cindy Hutter Cavell is director of the Cavell-Mertz Spectrum Division at Capitol Airspace Group. She’s had a 48-year career in network, television and cable broadcasting and is a recipient of the NAB ...

In the late 1980s the television station I worked at was still using an early 1970s transmitter, an RCA TT-50FH (50 kW, Series F, High-band VHF). The transmitter was made with three cabinets: two 25 ...

PHILADELPHIA (WPVI) -- 6abc has some new technology that will help our viewers who have had trouble watching us over the air with antennas. We have been working hard for years to get the approval we ...

Wide bandwidth radio transmitters commonly use analog quadrature modulators (AQMs) to convert complex (I + j*Q) baseband signals to radio frequencies (RF). An AQM consists of a local oscillator (LO) ...