A new electronically tunable voltage-mode active-C phase shifter using UVC and OTA

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概要

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• In this paper, a new voltage-mode first-order all-pass filter is presented. The proposed filter provides both of non-inverting and inverting outputs at the same configuration. The circuit is composed of single universal voltage conveyor (UVC), operational transconductance amplifier (OTA), and capacitor. Considering the electronically tunability properties of the OTA phase responses of the proposed active-C circuit can be controlled by an external bias current. The circuit is suitable for wideband applications. All the active and passive sensitivities are low. The theoretical results are verified by PSPICE simulations using BJT implementations of UVC and OTA.

著者

• Koton Jaroslav

  Brno University of Technology, Dept. of Telecommunications

• Herencsar Norbert

  Brno University of Technology, Dept. of Telecommunications

• Vrba Kamil

  Brno University of Technology, Dept. of Telecommunications

関連論文

• Minimal configuration precision full-wave rectifier using current and voltage conveyors
• A new electronically tunable voltage-mode active-C phase shifter using UVC and OTA

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