For citations:
Grebenko Y., Polyak R., Yan L. Serial Analog-Digital QAM Modems Based on Complex Band-Pass Filters with LF Butterworth Prototypes. Proceedings of Telecommunication Universities. 2023;9(5):6-15. (In Russ.) https://doi.org/10.31854/1813-324X-2023-9-5-6-15