"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you have trouble getting your local TV channels, an HDTV antenna amplifier can help clean up your ...

ALEXANDRIA, Va.—William H. Doherty was an engineer with Bell Telephone Laboratories in 1936 when he invented a circuit that used two tubes running in Class B configuration to act as a linear amplifier ...

At the 2012 NAB Show I saw three transmitters on display that promise solid-state amplifier efficiencies matching those of IOT (Inductive Output Tube) amplifiers. Although solid-state amplifiers offer ...

The TV One-task product line grows again with the addition of six new v1.3 HDMI products to its inventory consisting of two Switchers and four Distribution Amplifiers. These are not ordinary units, ...