Zhishan Xu

Low-power leapfrog bandpass filter with transmission zeros using integrators and resistor-based addition circuits

Hiroki Sato, Retdian A. Nicodimus, Shigetaka Takagi, 2011, 2011 20th European Conference on Circuit Theory and Design (ECCTD).

Leapfrog Filters with Transmission Zeros Using OTA-C Integrator and Resistor-Based Addition Circuit

Retdian A. Nicodimus, Shigetaka Takagi, Zhishan Xu, 2011 .