{"version":"1.0","type":"link","title":"Costas loop - Newikis","description":"A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g. double-sideband suppressed carrier signals) and phase modulation signals (e.g. BPSK, QPSK). It was invented by John P. Costas at General Electric in…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}