Yoshiyuki EZUMI

A GFSK Transmitter Architecture for a Bluetooth RF-IC, Featuring a Variable-Loop-Bandwidth Phase-Locked Loop Modulator
Masaru KOKUBO  Takashi OSHIMA  Katsumi YAMAMOTO  Kunio TAKAYASU  Yoshiyuki EZUMI  Shinya AIZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Vol. E88-C  No. 3  pp. 385-394
Type of Manuscript: PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
FSK,  modulator,  delta-sigma,  PLL,  variable loop bandwidth,  Bluetooth, 
  Summary |  Full Text:PDF (1.7MB)
A Small-Chip-Area Transceiver IC for Bluetooth Featuring a Digital Channel-Selection Filter
Masaru KOKUBO  Masaaki SHIDA  Takashi OSHIMA  Yoshiyuki SHIBAHARA  Tatsuji MATSUURA  Kazuhiko KAWAI  Takefumi ENDO  Katsumi OSAKI  Hiroki SONODA  Katsumi YAMAMOTO  Masaharu MATSUOKA  Takao KOBAYASHI  Takaaki HEMMI  Junya KUDOH  Hirokazu MIYAGAWA  Hiroto UTSUNOMIYA  Yoshiyuki EZUMI  Kunio TAKAYASU  Jun SUZUKI  Shinya AIZAWA  Mikihiko MOTOKI  Yoshiyuki ABE  Takao KUROSAWA  Satoru OOKAWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 878-887
Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
Bluetooth transceiver,  low-IF,  VCO,  channel-selection filter, 
  Summary |  Full Text:PDF (1.5MB)