24 September 1987 Millimeter Wave Components For Electronically Controllable Antennas
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Many present and future military and commercial systems operating at millimeter wave frequencies require the use of sophisticated electronically controllable antennas for maximum capability and flexibility. Electronic control of the antenna pattern is provided by electronically switchable phase control of each radiating element such as that achieved in phased array antennas or via electronically reconfigurable antenna feeds referred to as beam forming networks (BFN). Multibeam antennas provided by BFN'S can be realized using switches, variable power dividers (VPD), and phase shifters. Ferrite materials and associated application technology are being utilized to achieve these switchable RF control components at millimeter wave frequencies. The performance achievable in ferrite switchable circulators, variable power dividers and phase shifters in the frequency region from 20 to 100 GHz is discussed.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gordon R. Harrison, Gordon R. Harrison, Thomas E. Sharon, Thomas E. Sharon, } "Millimeter Wave Components For Electronically Controllable Antennas", Proc. SPIE 0791, Millimeter Wave Technology IV and RF Power Sources, (24 September 1987); doi: 10.1117/12.940809; https://doi.org/10.1117/12.940809


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