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| Presentation | 2014-01-16 14:50 A Stopband-Tunable Dual-Band Low-Noise Differential Amplifier Kazuyoshi Sakamoto, Yuki Shoji, Yasushi Itoh (Shonan Inst. of Tech.)  ED2013-120 MW2013-185 Link to ES Tech. Rep. Archives: ED2013-120 MW2013-185 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A stopband-tunable dual-band low-noise differential amplifier has been developed for the next generation adaptive and/or reconfigurable wireless radios. It employs varactor-tuned bias circuits and dual-band resonators in the design of low-noise differential amplifiers for suppressing the unwanted signals adjacent to the carrier signals. The amplifier has dual-passband and triple-stopband performances. Lower, middle and higher stopbands can be independently tuned by varactor-tuned base and collector bias circuits and shunt capacitance, respectively. With the use of 0.35m SiGe HBTs and Si varactor diodes with a capacitance ratio of 2.5, a lower stopband with a maximal gain suppression of 43.7dB for 0.35 to 0.63GHz, a middle stopband with a maximal gain suppression of 25.5dB over 0.61 to 1.17GHz, and a higher stopband with a maximal gain suppression of 27dB across 1 to 2.5GHz have been successfully achieved. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | microwaves / differential amplifier / stopband-tunable / SiGe HBT / multi-band / reconfigurable / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 379, MW2013-185, pp. 57-60, Jan. 2014. | |
| Paper # | MW2013-185 | |
| Date of Issue | 2014-01-09 (ED, 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 | ED2013-120 MW2013-185 Link to ES Tech. Rep. Archives: ED2013-120 MW2013-185 |
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| Conference Information | |
| Committee | ED MW |
| Conference Date | 2014-01-16 - 2014-01-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Power devices, High-speed and high-frequency devices, Microwave Technologies, etc. |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2014-01-ED-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Stopband-Tunable Dual-Band Low-Noise Differential Amplifier |
| Sub Title (in English) | |
| Keyword(1) | microwaves |
| Keyword(2) | differential amplifier |
| Keyword(3) | stopband-tunable |
| Keyword(4) | SiGe HBT |
| Keyword(5) | multi-band |
| Keyword(6) | reconfigurable |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuyoshi Sakamoto |
| 1st Author's Affiliation | Shonan Institute of Technilogy (Shonan Inst. of Tech.) |
| 2nd Author's Name | Yuki Shoji |
| 2nd Author's Affiliation | Shonan Institute of Technilogy (Shonan Inst. of Tech.) |
| 3rd Author's Name | Yasushi Itoh |
| 3rd Author's Affiliation | Shonan Institute of Technilogy (Shonan Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2014-01-16 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | ED2013-120, MW2013-185 |
| Volume (vol) | vol.113 |
| Number (no) | no.378(ED), no.379(MW) |
| Page | pp.57-60 |
| #Pages | 4 |
| Date of Issue | 2014-01-09 (ED, MW) |
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