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The microwave power module: a versatile RF building block for high-power transmitters

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3 Author(s)
Smith, C.R. ; Defensive Syst. Div., Northrop Grumman Corp., Rolling Meadows, IL, USA ; Armstrong, C.M. ; Duthie, J.

The microwave power module (MPM) is described. This miniature radio frequency (RF) power amplifier combines a low-noise high-gain monolithic microwave integrated circuit (MMIC) solid-state amplifier (SSA) driver with a high-efficiency reduced-gain vacuum power booster helix traveling-wave tube (TWT) and integrated power conditioner (IPC). Progress on the development of 100-200-W power booster TWTs and MPMs covering the 2-40-GHz frequency range is discussed, giving examples of demonstrated RF performance. MPM advantages are contrasted to conventional TWTA and SSPA approaches, along with a discussion of various MPM-based transmitters for architectures. Numerous applications of MPM transmitters for radar, electronic countermeasure, communications, and space have been identified with widespread implementation expected to take place in the near future

Published in:

Proceedings of the IEEE  (Volume:87 ,  Issue: 5 )

Date of Publication:

May 1999

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