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| Authors: | R. Malmqvist: Swedish Defence Research Agency, Sweden |
| | M. Alfredson: Swedish Defence Research Agency, Sweden |
| | C. Samuelsson: Swedish Defence Research Agency, Sweden |
| | T. Nilsson: Swedish Defence Research Agency, Sweden |
| | I. Ferrer: Swedish Defence Research Agency, Sweden |
| | A. Gustafsson: Swedish Defence Research Agency, Sweden |
| Publication title: | 7.6-8.6GHz Agile Image Reject On-Chip Receiver Front-End For Adaptive X-Band Smart Skin Array Antennas |
| Conference: | GigaHertz 2003. Proceedings from the Seventh Symposium |
| Publication type: | Abstract and Fulltext |
| Issue: | 008 |
| Article No.: | 007 |
| Abstract: | In this paper, we evaluate a new design of a previously presented agile single-chip receiver front-end intended for a digital beamforming X-band smart skin array antenna. Firstly, by using a two-stage low noise amplifier in each filter section of the tunable active filter used in the front-end, a igher filter gain and selectivity as well as a lower filter noise figure can be achieved at the expense of a smaller filter tuning range. Secondly, the 1GHz-IF double balanced mixer also utilized in the front-end has been re-optimized to achieve higher image rejection and lower conversion loss. As a result of the filter and mixer RF performance improvements achieved the re-designed front-end can exhibit at least 50-85dB of image rejection, up to 13dB of conversion gain, a 6.4dB minimum value noise figure and 60-65dB of spurious-free dynamic range over the 7.6-8.6GHz agile receiver bandwidth, respectively. |
| Language: | English |
| Year: | 2003 |
| No. of pages: | 4 |
| Series: | Linköping Electronic Conference Proceedings |
| ISSN (print): | 1650-3686 |
| ISSN (online): | 1650-3740 |
| File: | http://www.ep.liu.se/ecp/008/007/ecp00807.pdf |
| Available: | 2003-11-06 |
| Publisher: | Linköping University Electronic Press, Linköpings universitet |
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