A digital rotary data coupler (100; 200; 301) for a Light Detection and Ranging, LIDAR, system of an autonomous vehicle comprising: a transmitter (101; 201), comprising a first transmitter band (106A; 206A) and a second transmitter band (106B; 206B); and a receiver (103; 203), comprising: a receiver housing positioned to rotate relative to the first transmitter band and the second transmitter band; a first receiver band (108A; 208A) positioned opposite the first transmitter band (106A; 206A) to form a first capacitor; a second receiver band (108B; 208B) positioned opposite the second transmitter band (106B; 206B) to form a second capacitor; a resistance (114; 214A, 214B) electrically coupled between the first receiver band (108A; 208A) and the second receiver band (108B; 208B), the resistance configured to generate a cut-off frequency of the digital rotary data coupler, wherein the resistance is higher than a characteristic resistance of a combined transmitter system, the first transmitter band (106A; 206A), the second transmitter band (106B; 206B), the first receiver band (108A; 208A), and the second receiver band (108B; 208B); and a differential amplifier (116; 216) comprising an inverting input and a non-inverting input, the non-inverting input being electrically coupled to the first receiver band (108A; 208A) and the inverting input being electrically coupled to the second receiver band (108B; 208B). a transmitter (101; 201), comprising a first transmitter band (106A; 206A) and a second transmitter band (106B; 206B); and a receiver (103; 203), comprising: a receiver housing positioned to rotate relative to the first transmitter band and the second transmitter band; a first receiver band (108A; 208A) positioned opposite the first transmitter band (106A; 206A) to form a first capacitor; a second receiver band (108B; 208B) positioned opposite the second transmitter band (106B; 206B) to form a second capacitor; a resistance (114; 214A, 214B) electrically coupled between the first receiver band (108A; 208A) and the second receiver band (108B; 208B), the resistance configured to generate a cut-off frequency of the digital rotary data coupler, wherein the resistance is higher than a characteristic resistance of a combined transmitter system, the first transmitter band (106A; 206A), the second transmitter band (106B; 206B), the first receiver band (108A; 208A), and the second receiver band (108B; 208B); and a differential amplifier (116; 216) comprising an inverting input and a non-inverting input, the non-inverting input being electrically coupled to the first receiver band (108A; 208A) and the inverting input being electrically coupled to the second receiver band (108B; 208B). a receiver housing positioned to rotate relative to the first transmitter band and the second transmitter band; a first receiver band (108A; 208A) positioned opposite the first transmitter band (106A; 206A) to form a first capacitor; a second receiver band (108B; 208B) positioned opposite the second transmitter band (106B; 206B) to form a second capacitor; a resistance (114; 214A, 214B) electrically coupled between the first receiver band (108A; 208A) and the second receiver band (108B; 208B), the resistance configured to generate a cut-off frequency of the digital rotary data coupler, wherein the resistance is higher than a characteristic resistance of a combined transmitter system, the first transmitter band (106A; 206A), the second transmitter band (106B; 206B), the first receiver band (108A; 208A), and the second receiver band (108B; 208B); and a differential amplifier (116; 216) comprising an inverting input and a non-inverting input, the non-inverting input being electrically coupled to the first receiver band (108A; 208A) and the inverting input being electrically coupled to the second receiver band (108B; 208B).