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| Presentation | 2008-11-21 09:55 Frequency and Gain Tunable, Multiple Bandpass or Bandstop Differential Amplifiers Toshio Shinohara, Masaki Shirata, Kazuyoshi Sakamoto, Yasushi Itoh (SHonan IT)  MW2008-134 Link to ES Tech. Rep. Archives: MW2008-134 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Design, fabrication and performance of the frequency and gain tunable, multiple bandpass or bandstop differential amplifiers are presented. Active load circuits comprised of a varactor diode and a bipolar transistor are connected in parallel with LC resonators to achieve frequency and gain tunable performance. In addition, the individual resonant frequency of the LC resonator is adjusted to vary the number of matching bands. With the use of 0.35 m SiGe HBTs and C2V/C10V=2.5 varactor diodes, the implemented amplifiers show a frequency tunable range of 0.5 to 1.3GHz with a gain variation of 8.4dB for the bandpass amplifier as well as a frequency tunable range of 0.53 to 1.16GHz with a gain variation of 9.3dB for the bandstop amplifier. The number of bands can be changed from 1 to 2. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Differential / Amplifier / SiGe HBT / Microwave / Frequency Tunable / Gain Variable / Multi-band / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 311, MW2008-134, pp. 91-96, Nov. 2008. | |
| Paper # | MW2008-134 | |
| Date of Issue | 2008-11-13 (MW) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MW2008-134 Link to ES Tech. Rep. Archives: MW2008-134 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2008-11-20 - 2008-11-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagasaki-Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2008-11-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency and Gain Tunable, Multiple Bandpass or Bandstop Differential Amplifiers |
| Sub Title (in English) | |
| Keyword(1) | Differential |
| Keyword(2) | Amplifier |
| Keyword(3) | SiGe HBT |
| Keyword(4) | Microwave |
| Keyword(5) | Frequency Tunable |
| Keyword(6) | Gain Variable |
| Keyword(7) | Multi-band |
| Keyword(8) | |
| 1st Author's Name | Toshio Shinohara |
| 1st Author's Affiliation | Shonan Institute of Technology (SHonan IT) |
| 2nd Author's Name | Masaki Shirata |
| 2nd Author's Affiliation | Shonan Institute of Technology (SHonan IT) |
| 3rd Author's Name | Kazuyoshi Sakamoto |
| 3rd Author's Affiliation | Shonan Institute of Technology (SHonan IT) |
| 4th Author's Name | Yasushi Itoh |
| 4th Author's Affiliation | Shonan Institute of Technology (SHonan IT) |
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| Speaker | 1 |
| Date Time | 2008-11-21 09:55:00 |
| Presentation Time | 25 |
| Registration for | MW |
| Paper # | IEICE-MW2008-134 |
| Volume (vol) | IEICE-108 |
| Number (no) | no.311 |
| Page | pp.91-96 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-MW-2008-11-13 |
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