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| Authors: | Markus Grözing: Institute of Electrical and Optical Communication Engineering, University of Stuttgart |
| | Daniel Moser: Institute of Electrical and Optical Communication Engineering, University of Stuttgart |
| | Manfred Berroth: Institute of Electrical and Optical Communication Engineering, University of Stuttgart |
| Publication title: | Tuned Active Inductor and Switched Bandpass Amplifier in CMOS Technology |
| Conference: | GigaHertz 2003. Proceedings from the Seventh Symposium |
| Publication type: | Poster |
| Issue: | 008 |
| Article No.: | 027 |
| Abstract: | A tunable differential active inductor and a switched bandpass amplifier in CMOS technology are presented. The active inductor is implemented in a 0,25 µm CMOS technology at a supply voltage of 2,5 V. The measured lower end of the inductance tuning range is 3,2 nH with estimated resonant frequency of 5,6 GHz and a current consumption of 13 mA. The inductance value can be tuned up to 23 nH with a measured resonant frequency of 1,9 GHz and a current consumption of 1,9 mA. The switched differential bandpass amplifier is implemented in a 0,18 µm CMOS technology at a supply voltage of 1,8 V. By activating the first or the second active inductor, the measured bandpass frequency can be switched between 100 MHz and 770 MHz. A modified switching concept of the active inductors can provide an amplifier with a bandpass frequency that can be switched between 125 MHz and 875 MHz in 125 MHz steps. Simulations indicate that the maximum gain is 16 dB for all 7 operation modes of the circuit. |
| 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/posters/001/ecp00801p.pdf |
| Available: | 2003-11-06 |
| Publisher: | Linköping University Electronic Press, Linköpings universitet |
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