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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Choi, J.J. Park, G.S. Ganguly, A.K. Armstrong, C.M. Calise, F. Lobas, D. |
| Copyright Year | 1995 |
| Description | Author affiliation: Sci. Applications Int. Corp., McLean, VA, USA (Choi, J.J.) |
| Abstract | Summary form only given, as follows. Experiments on a folded waveguide gyro-TWT amplifier are underway to demonstrate high power (>50 kW), broadband (BW>15%), Ka-band radiation amplification. The interaction circuit is a periodic, H-plane bend, transverse folded waveguide employed with a high power axis-encircling electron beam. The electron beam with a large transverse momentum is produced by an advanced triple-pole-piece center-post electron gun designed by Litton for NRL millimeter wave gyro-amplifier experiments. For a proof-of-principle experiment, a low gain 12 period circuit is built and tested. A mode coalescing of the first stop-band predicted by an equivalent circuit model and a 3-D electromagnetic code is verified from experimental measurements. Measurements show a return loss of <-15 dB over the frequency bandwidth of >20%. Experimental data are presented and compared with slow-time scale non-linear code simulations. |
| File Size | 103531 |
| File Format | |
| ISBN | 0780326695 |
| ISSN | 07309244 |
| DOI | 10.1109/PLASMA.1995.529662 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1995-06-05 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Electromagnetic waveguides Electron beams Broadband amplifiers Circuit testing Electromagnetic measurements High power amplifiers Millimeter wave circuits Millimeter wave measurements Equivalent circuits Predictive models |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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