Multi-Band and Multi-Function Reconfigurable Gallium Nitride Based Fully Solid-State Microwave Power Module for Cognitive Radio/Radar Platforms

[摘要] This paper presents as a proof-of-concept (POC) the design, integration, and performance of a novel reconfigurable S-/X-band Gallium Nitride (GaN) based fully solid-state microwave power module (SSMPM) for the role as the transmit module in a cognitive radio (CR). The SSMPM synergistically integrates multiple amplifiers through diplexing and high power switches to enable a single SSMPM capable of functioning as both S-/X-band amplifiers for telemetry, tracking, and command (TT&C), telecommunications, and science data downlink or as X-band radar for proximity sensing onboard a planetary exploration spacecraft. Integration of an electric field shaping field plate (FP) onto the GaN high electron mobility transistors (HEMTs) in this SSMPM provides increased performance and reliability for operation in the harsh conditions of space. This SSMPM is capable of delivering saturated power (Psat) of 39 dBm (8 W continuous wave (CW)) at S-band, P(sub sat) of 43 dBm (20 W CW) at X-band, and P(sub sat) of >50 dBm (>100 W Pulsed) at X-band.

[发布日期] 2019-11-01

[学科分类] 工程和技术（综合）

[关键词] ARTIFICIAL SATELLITES;CASCODE DEVICES;CONTINUOUS RADIATION;DATA TRANSMISSION;DEEP SPACE NETWORK;DOWNLINKING;GALLIUM NITRIDES;HIGH ELECTRON MOBILITY TRANSISTORS;KNOWLEDGE BASED SYSTEMS;MACHINE LEARNING;MICROWAVE AMPLIFIERS;POWER AMPLIFIERS;RADIO FREQUENCIES;SOLID STATE;SPACE EXPLORATION;SUPERHIGH FREQUENCIES;TELECOMMUNICATION;TRANSMITTER RECEIVERS