A stylus configured for actively interacting with a capacitive touch-sensitive interface, the stylus comprising: a stylus body; and a compound tip (105, 1105) extending axially from the stylus body, the compound tip comprising: a center electrode (101, 901) configured to detect electric field variations; a shroud electrode (102, 902) electrically isolated from and disposed concentrically around the center electrode (101, 901); a suppression shroud, disposed between the center electrode and the shroud electrode, electrically isolated from each of the center electrode and the shroud electrode, where the suppression shroud is electrically coupled to a common node of the stylus, wherein the common node is configured for coupling via capacitive coupling through a user or other object to ground; and an active circuit coupled between the center electrode and the shroud electrode and configured to apply a gain to the electric field variations and to change a potential of the shroud electrode with the electric field variations, characterised in that the active circuit comprises an amplifier, the amplifier being configured as an inverting integrator and having an inverting input coupled to the center electrode and an output coupled to the shroud electrode. a stylus body; and a compound tip (105, 1105) extending axially from the stylus body, the compound tip comprising: a center electrode (101, 901) configured to detect electric field variations; a shroud electrode (102, 902) electrically isolated from and disposed concentrically around the center electrode (101, 901); a suppression shroud, disposed between the center electrode and the shroud electrode, electrically isolated from each of the center electrode and the shroud electrode, where the suppression shroud is electrically coupled to a common node of the stylus, wherein the common node is configured for coupling via capacitive coupling through a user or other object to ground; and an active circuit coupled between the center electrode and the shroud electrode and configured to apply a gain to the electric field variations and to change a potential of the shroud electrode with the electric field variations, characterised in that a center electrode (101, 901) configured to detect electric field variations; a shroud electrode (102, 902) electrically isolated from and disposed concentrically around the center electrode (101, 901); a suppression shroud, disposed between the center electrode and the shroud electrode, electrically isolated from each of the center electrode and the shroud electrode, where the suppression shroud is electrically coupled to a common node of the stylus, wherein the common node is configured for coupling via capacitive coupling through a user or other object to ground; and an active circuit coupled between the center electrode and the shroud electrode and configured to apply a gain to the electric field variations and to change a potential of the shroud electrode with the electric field variations, characterised in that the active circuit comprises an amplifier, the amplifier being configured as an inverting integrator and having an inverting input coupled to the center electrode and an output coupled to the shroud electrode.