WASHINGTON — Researchers have developed a new chip-sized microwave photonic filter to separate communication signals from noise and suppress unwanted interference across the full radio frequency ...

It may not be the radio station with all the hits and the best afternoon drive show, but 1420.4058 MHz is the most popular frequency in the universe. That’s the electromagnetic spectral line of ...

The LT6600-10 combines a high-speed differential amplifier and a 10-MHz low-pass filter. Gain is programmed with two resistors for a gain range of −12 to 12 dB. It also provides the necessary level ...

As drones have risen to prominence on the battlefield, so too has electronic warfare, in which adversaries attempt to mask, jam or trace radio signals. Now, a new stealthy radio device could help give ...