タイトル | Thin Film Ba(x) Sr(1-x)TiO3 Coupled Microstrip Ku- and K-band Phase Shifters |
本文(外部サイト) | http://hdl.handle.net/2060/20000004332 |
著者(英) | Warner, J. W.; Romanofsky, R. R.; VanKeuls, F. W.; Mueller, C. H.; Miranda, F. A. |
著者所属(英) | NASA Glenn Research Center |
発行日 | 1999-01-01 |
言語 | eng |
内容記述 | In this report authors found that the: (1) Best room temperature CMPS performance seen on 1% Mn-doped Ba(0.6)Sr(0.4)TiO3 annealed films on MgO: K = 74 C/dB. Phase Shift/coupled length: 1427 C/cm (2) Attempt to improve phase shifters through thicker as-deposited films stymied by declining film quality with film thickness. Annealing may alleviate this problem. (3) CMPS phase shift at Ku-band didn't experience the great rise in tunability seen in 1 MHz epsilon(sub r)(0) data. (4) While CMPS circuits may be well suited for arrays, simpler circuits like CPW would be more useful for characterizing epsilon(sub r) and tan(delta) at Ku-and K-band. (5) New substrates and designs are being tested. |
NASA分類 | Electronics and Electrical Engineering |
権利 | No Copyright |
URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/227560 |