A television signal originates from a transmitter that sends information from an audio and visual source to an amplifier or repeater to the digital receiver of an A/V device, such as a television. The ...

WASHINGTON—ATSC 3.0 (aka NextGen TV) promises a future of resolution-agnostic broadcasts that include video resolutions up to 8K, high dynamic range, and targeted emergency alerting and advertising.

Two tuners were developed for this receiver. The more sensitive one uses tetrode transistors in the RF amplifier, mixer and oscillator. Its disadvantages lie in a much higher cost and a 12 to 14 db ...