Journal
IEEE ELECTRON DEVICE LETTERS
Volume 43, Issue 5, Pages 816-819Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2022.3164660
Keywords
Power amplifiers; Power generation; Gain; Bandwidth; Traveling wave tubes; Ions; Electron beams; Slow wave structures; traveling wave amplifiers; terahertz radiation; submillimeter wave amplifiers
Categories
Funding
- Young Elite Scientists Sponsorship Program by the China Association for Science and Technology [2018QNRC001]
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This paper describes a terahertz power module based on a 0.34 THz traveling wave tube. The module employs a modified slow wave structure to achieve broad bandwidth. It provides high output power and gain in the frequency range of 0.33 THz to 0.355 THz.
A terahertz power module (TPM) based on 0.34 THz traveling wave tube (TWT) is described. A novel modified staggered double vane (SDV) slow wave structure (SWS) is employed in the TWT to realize broad bandwidth. This device provides an output power over 1 W and a gain over 18 dB from 0.33 THz to 0.355 THz. Although the available solid-state signal source is unable to drive the TPM to saturation, a maximum 1.6 W output power and 22 dB gain have been measured. The power dissipation of the TPM is 100 W and is cooled by conduction. It is a promising solution of power amplifiers for terahertz wireless communication.
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