Analytical Prediction and Experimental Verification of TWT and Depressed Collector Performance Using Multidimensional Computer Programs

IEEE Transactions on Electron Devices

Volumn 26, Issue 10, 1979, Pages 1589-1598

  Dayton, James A ^a   Kosmahl, Henry G ^a   Ramins, Peter ^a   Stankiewicz, N ^a  

^a NASA GLENN RESEARCH CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRON TUBES, TRAVELING WAVE;

EID: 0018533799     PISSN: 00189383     EISSN: 15579646     Source Type: Journal    
DOI: 10.1109/T-ED.1979.19657     Document Type: Article

References (14)

1. H. G. Kosmahl, “A novel, axisymmetric, electrostatic collector for linear beam microwave tubes,” NASA Tech. Note TN D-6093, 1971.
2. H. G. Kosmahl and P. Ramins, “Small-size 81- to 83.5 percent-efficient 2- and 4-stage depressed collectors for octave-bandwidth high-performance TWT’s,” IEEE Trans. Electron Devices, vol. ED-24, pp. 36–44, Jan. 1977.
3. H. G. Kosmahl, “An electron beam controller,” US Patent 3 764 850, Oct. 1973.
4. N. Stankiewicz, “Analysis of spent beam refocusing to achieve optimum collector efficiency,” IEEE Trans. Electron Devies, vol. ED-24, pp. 32–26, Jan. 1977.
5. H. G. Kosmahl, “Comments on measuring the overall and ie-pressed collector efficiency in TWT's and klystron amplifiers,” IEEE Trans. Electron Devices, vol. ED-26, p. 156, Feb. 1979.
6. P. Ramins and T. A. Fox, “Efficiency enhancement of octave bandwidth TWT's by the use of multistage depressed collectors,” NASA Tech. Paper 1416, 1979.
7. H. K. Detweiler, “Characteristics of magnetically focused large signal traveling-wave amplifiers,” Ph.D. dissertation, University of Michigan, Ann Arbor, Oct. 1968, RADC Tech. Rep. TR-68-433; ASTIA Doc. AD-842733.
8. J. E. Rowe, Non-Linear Electron-Wave Interaction Phenomena. New York: Academic Press, 1965.
9. T. A. O’Malley, private communication.
10. J. A. Dayton, Jr., H. G. Kosmahl, P. Ramins, and N. Stankiewicz, “Analytical prediction with multidimensional computer programs and experimental verification of the performance, at a variety of operating conditions, of two traveling wave tubes with depressed collectors,” NASA Tech. Paper 1449, 1979.
11. W. B. Herrmannsfeldt, “Electron trajectory program,” Stanford Linear Accelerator Center, Stanford University, Stanford, CA, SLAC-166, Sept. 1973.
12. N. Stankiewicz, “A rnatrix solution for the simulation of magnetic fields with ideal current loops,” this issue, pp. 1598–1601.
13. J. R. M. Vaughan, “Representation of axisymmetric magnetic fields in computer programs,” IEEE Trans. Electron Devices, vol. ED-19, pp. 144–151, Feb. 1972.
14. —, “Methods of finding the parameters of ideal current loops for computer simulation of magnetic fields,” IEEE Trans. Electron Devices, vol. ED-21, pp. 310–312, May 1974.