S. Kawama

A digital terrestrial television (ISDB-T) tuner for mobile applications

Satoshi Azuma, Hiroshi Kawamura, S. Kawama et al. · 2004 · 46 citations

Analog-to-digital Converter, Low-if Single-chip Tuner, Radio Frequency +10

A 184 mW Fully Integrated DVB-H Tuner With a Linearized Variable Gain LNA and Quadrature Mixers Using Cross-Coupled Transconductor

Kunihiko Iizuka, Hiroshi Kawamura, Takanobu Fujiwara et al. · IEEE Journal of Solid-State Circuits · 2007 · 42 citations

Radio Frequency, High-frequency Device, Data Converter +9

A 23 mW 256-tap 8 MSample/s QPSK matched filter for DS-CDMA cellular telephony using recycling integrator correlators

D. Senderowicz, S. Azuma, Hirofumi Matsui et al. · 2002 · 24 citations

Wireless Communications, Mobile Signal Processing, Engineering +13

Embedded anti-aliasing in switched-capacitor ladder filters with variable gain and offset compensation

S. Azuma, S. Kawama, K. Iizuka et al. · IEEE Journal of Solid-State Circuits · 2002 · 14 citations

Analog-to-digital Converter, Variable Gain, Filter (Signal Processing) +8