Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1985-10-02
1987-10-13
Dixon, Harold
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
328233, 330 53, 330 56, H01J 2510
Patent
active
047001089
ABSTRACT:
Apparatus and method for generating and controlling the electric field within the cavity of a particle beam accelerator. A power splitter divides a common drive signal into separate branches each driving separate RF amplifiers. The output of each amplifier is coupled, through a circulator, to a separate input launcher within the cavity. The high Q of the cavity causes the signal from each launcher to combine to form an undistorted field pattern within the cavity regardless of small amplitude and phase differences at each launcher. Total power control is maintained by changing the phase in one or more of the separate branches, or by chopping the power applied to the amplifiers in the controlled branches. To improve efficiency, the input launchers in branches which are turned off by the chopping technique may be shorted to ground during the turned off interval.
REFERENCES:
patent: 2883536 (1959-04-01), Salisbury et al.
patent: 3333142 (1967-07-01), Takeda et al.
patent: 4064464 (1977-12-01), Morse
patent: 4329654 (1982-05-01), Chamberlain
patent: 4392079 (1983-07-01), Pasmannik
patent: 4596946 (1986-06-01), Pottier
Dixon Harold
Sutcliff W. G.
Westinghouse Electric Corp.
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