M. Koyama

Realization of a 1-V active filter using a linearization technique employing plurality of emitter-coupled pairs

Hiroshi Tanimoto, M. Koyama, Yuki Yoshida · IEEE Journal of Solid-State Circuits · 1991 · 117 citations

Electrical Engineering, Emitter-coupled Pairs, Low Voltage +10

A 2.5-V active low-pass filter using all-n-p-n Gilbert cells with a 1-V/sub p-p/ range

M. Koyama, T. Arai, Hiroshi Tanimoto et al. · IEEE Journal of Solid-State Circuits · 1993 · 47 citations

Conventional Bipolar Process, Data Converter, Mixed-signal Integrated Circuit +8

A 10.7 MHz continuous-time bandpass filter bipolar IC

M. Koyama, Hiroshi Tanimoto, Satoshi Mizoguchi · 1989 · 22 citations

Low-power Electronics, Electrical Engineering, Engineering +11

Performance Characteristics of Scroll Expander for CO2 Refrigeration Cycles

Hirokatsu Kohsokabe, M. Koyama, Kenji Tojo et al. · Purdue e-Pubs (Purdue University System) · 2008 · 16 citations · Full text

Engineering, Scroll Expander, Gas Storage +3