The use of directional arrays in FM broadcasting has increased greatly in 30 years. Especially in the NCE reserved band, a DA can increase the operating power of a station significantly while still ...

The authors are president and vice president, respectively, of Communications Technologies Inc., a consultancy in Marlton, N.J. Fig. 1: Measured vertical (purple) and horizontal (blue) field strength ...

Prior to the digital television evolution, directional antennas at full-power television stations were primarily used to transmit a signal over a desired area as opposed to provide protection to other ...

Antennas are mandatory for a product to connect via radio frequency. Obvious examples are cell phones, satellite communications, and even our garage-door openers. But the Internet of Things is ...

The very mention of RF design is usually enough to scare all but the most confident designer. However, wireless specialists such as the company I work for, Nordic Semiconductor, have worked hard to ...