S. Narahashi

Extremely low-distortion multi-carrier amplifier-self-adjusting feed-forward (SAFF) amplifier

T. Nojima, S. Narahashi, 1991, ICC 91 International Conference on Communications Conference Record.

Center Frequency and Bandwidth Tunable Filter Employing Tunable Comb-Shaped Transmission Line Resonators and J-inverters

H. Okazaki, K. Kawai, S. Narahashi, 2006, 2006 European Microwave Conference.

Experimental investigation of 3-W class-AB cryogenically-cooled amplifier employing GaN HEMT for front end receivers of mobile base stations

T. Nojima, S. Narahashi, Yasunori Suzuki, 2008 .

5-GHz high temperature superconducting filter using coplanar waveguide quarter wavelength resonator

Zhewang Ma, K. Kawai, K. Satoh, 2004, 34th European Microwave Conference, 2004..

A Novel Compact Reconfigurable Quad-band Power Amplifier Employing RF-MEMS Switches

H. Okazaki, A. Fukuda, S. Narahashi, 2006, 2006 European Microwave Conference.

A low-loss 5GHz bandpass filter using HTS coplanar waveguide quarter-wavelength resonators

Zhewang Ma, K. Satoh, T. Nojima, 2002, 2002 IEEE MTT-S International Microwave Symposium Digest (Cat. No.02CH37278).

Minimising peak-to-average power ratio of multitone signals using steepest descent method

T. Nojima, S. Narahashi, K. Kumagai, 1995 .

Tunable resonator employing comb-shaped transmission line and switches

H. Okazaki, K. Kawai, D. Koizumi, 2005, 2005 European Microwave Conference.