| O-type backward-wave oscillator [`ō ´tīp `bak·wǝrd ¦wāv `äs·ǝ´lad·ǝr] ELECTRONICS A backward-wave tube in which an electron gun produces an electron beam focused longitudinally throughout the length of the tube, a slow-wave circuit interacts with the beam, and at the end of the tube a collector terminates the beam. Also known as O- type carcinotron; type-O carcinotron. |