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WR-3.4 InP HBT Amplifier Module With Integrated Wideband Waveguide Transitions
- Authors
- Yi, C.; Lee, K. M.; Kim, H. J.; Kim, M.
- Issue Date
- 12월-2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Integrated waveguide transition; WR-3.4 waveguide; terahertz amplifier; terahertz waveguide module
- Citation
- IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, v.31, no.12, pp.1315 - 1318
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS
- Volume
- 31
- Number
- 12
- Start Page
- 1315
- End Page
- 1318
- ISSN
- 1531-1309
- Abstract
- A broadband terahertz amplifier waveguide module is presented. The IC chip with a width of 390 mu m fits in the E-plane of a standard WR-3.4 waveguide with 20 mu m air-gaps on either side. The input and output waveguide transitions integrated on the chip possess various design factors that include locations of the dipoles, back-short pedestal, and substrate vias carefully selected for near full-band characteristics. The measurements on a module containing a passive thru-line IC chip show only 2.7 dB of average loss across 220-300 GHz range. With an amplifier IC chip mounted inside, the module shows a peak gain of 17 dB at 288 GHz with a 3 dB bandwidth from 259 to 294 GHz.
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