Low sensitivity symmetrical response microwave filters. - Marin Nedelchev; Dobri Dobrev (Microelectron. J., 2006)

ANN Modelling of Planar Filters Using Square Open Loop DGS Resonators. - Marin Nedelchev; Zlatica Marinkovic; Alexander Kolev (FABULOUS, 2019)

Tri-Section Wideband Branch-Line Hybrid: Design, Simulation Technique and Measurement. - Marin Nedelchev; Biljana P. Stosic; Nebojsa Doncov; Alexander Kolev (TSP, 2019)

Modeling and Design of Microstrip Coupled Resonator Filters based on ANNs. - Marin Nedelchev; Milos Mitic; Alexander Kolev; Zlatica Marinkovic (TSP, 2020)

Wave-based Digital Model of Substrate-IntegratedWaveguide (SIW) Filters for K band. - Marin Nedelchev; Biljana P. Stosic; Ilia Iliev; Ana Ilieva; Nebojsa Doncov (TSP, 2020)

Substrate-Integrated-Waveguide Filters: Design, Measurements and Wave-based Modeling Procedure. - Marin Nedelchev; Biljana P. Stosic; Nebojsa Doncov (ISEEIE, 2021)

Wave Digital Modeling in Microstrip Hairpin Filter Synthesis. - Marin Nedelchev; Biljana P. Stosic; Nebojsa Doncov (TSP, 2021)

On Differences Between Transmission Line-based Wave Digital Models of Gysel Power Dividers. - Biljana P. Stosic; Marin Nedelchev (BlackSeaCom, 2022)

Transmission Line-based Wave Digital Models of Inphase Gysel Power Dividers. - Biljana P. Stosic; Marin Nedelchev (TSP, 2022)

X-band CMOS Lumped-Component Filter with On-Chip Automated Calibration Using SAR Algorithm. - Marin Nedelchev; Jordan Kechev (TSP, 2023)

Wave Digital Method as an Efficient Modeling Tool for N-way Gysel Power Divider. - Marin Nedelchev; Biljana P. Stosic (TSP, 2023)

Design of Ku-Band Quasi-Lumped Element Low Noise Amplifier for Phased-Array Applications. - Marin Nedelchev; Jordan Kechev (WPMC, 2024)