TRAVELING-WAVE-TUBE MIXER.
Abstract
Results are described for a two-helix travelingwave-tube mixer capable of operation from 50 to 60 Gc. An experimental X-band mixer was constructed in a glass shell, but never tested because of difficulties in achieving satisfactory coupling. Lack of program time led to termination of work on this device and the initiation of design and construction of the full-frequency mixer. A full-frequency traveling-wave-tube mixer--having low ka, high frequency, low voltage, and wide bandwidth--was designed. The primary technical difficulty arose from the use of molybdenum in the tube shell and support structure. Molybdenum solved the problem of thermal-expansion differences between the tube shell and ceramic supports, but made brazing, plating, and machining difficult. All brazing efforts failed, so a device was constructed and sealed by means of an epoxy adhesive. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1964
- Accession Number
- AD0437812
Entities
People
- L. Magill
Organizations
- Sperry Corporation