A 1.9-GHz-band GaAs direct-quadrature modulator IC with a phase shifter. - Kazuya Yamamoto; Kosei Maemura; Naoto Andoh; Yasuo Mitsui (IEEE J. Solid State Circuits, 1993)

GaAs DCFL 2.5 Gbps 16-bit Multiplexer/Demultiplexer LSI's. - Norio Higashisaka; M. Shimada; Akira Ohta; Kenji Hosogi; Y. Tobita; Yasuo Mitsui (IEEE J. Solid State Circuits, 1994)