Digital lock detector for PLL. - Vazgen Melikyan; Aristakes Hovsepyan; Mkrtich Ishkhanyan; Tigran Hakobyan (EWDTS, 2008)

Schematic protection method from influence of total ionization dose effects on threshold voltage of MOS transistors. - Vazgen Melikyan; Aristakes Hovsepyan; Tigran Harutyunyan (EWDTS, 2010)