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 ...
BERLIN, December 17, 2004 - Amphony will unveil at the 2005 Consumer Electronics Show its 5.8 GHz Digital Wireless Audio Transmitter / Amplifiers, Model 1520 and 1550, which are capable of ...