Chaoying Zhao, Wenjie Feng, Yuanchuan Li, and Wenquan Che. “Ultra-Wideband Balanced Bandpass Filters Based on Transversal Signal- Interference Concepts”. The Applied Computational Electromagnetics Society Journal (ACES) 31, no. 10 (August 8, 2021): 1232–1237. Accessed May 17, 2024. https://journals.riverpublishers.com/index.php/ACES/article/view/9881.