A ring-VCO-based injection-locked frequency multiplier using a new pulse generation technique in 65 nm CMOS. - Norifumi Kanemaru; Sho Ikeda; Tatsuya Kamimura; Sang-yeop Lee; Satoru Tanoi; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ISOCC, 2011)

A Ring-VCO-Based Injection-Locked Frequency Multiplier with Novel Pulse Generation Technique in 65 nm CMOS. - Sang-yeop Lee; Norifumi Kanemaru; Sho Ikeda; Tatsuya Kamimura; Satoru Tanoi; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEICE Trans. Electron., 2012)

A 950μW 5.5-GHz low voltage PLL with digitally-calibrated ILFD and linearized varactor. - Sho Ikeda; Tatsuya Kamimura; Sang-yeop Lee; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (ASP-DAC, 2014)

A Sub-1mW Class-C-VCO-Based Low Voltage PLL with Ultra-Low-Power Digitally-Calibrated ILFD in 65nm CMOS. - Sho Ikeda; Sang-yeop Lee; Tatsuya Kamimura; Hiroyuki Ito; Noboru Ishihara; Kazuya Masu (IEICE Trans. Electron., 2014)