@article{oai:nagoya.repo.nii.ac.jp:00005471,
 author = {Fujimaki, Akira and Nakazono, Koichi and Hasegawa, Hiroaki and Sato, Takashi and Akahori, Akira and Takeuchi, Nobuo and Furuta, Futoshi and Katayama, Masaaki and Hayakawa, Hisao},
 issue = {1},
 journal = {IEEE Transactions on Applied Superconductivity},
 month = {Mar},
 note = {We have studied software-defined radios (SDRs) based on superconducting devices. The increasing data rate in mobile communications will require a band-width of up to a few hundred MHz in the future. We have confirmed numerically the broad-band characteristic of oversampled analog-to-digital converters including a lowpass and bandpass modulator. Furthermore, the bandpass modulator constructed without a resistor is found to have sensitively improved by two orders of magnitude compared to that of the lowpass modulator. This result means that the digital RF radio architecture based on a bandpass ADC is better suited for a future SDR receiver.},
 pages = {318--321},
 title = {Broad Band Software-Defined Radio Receivers Based on Superconductive Devices},
 volume = {11},
 year = {2001}
}