OTRA Based Voltage Mode Third Order Quadrature Oscillator | Zendy

Rajeshwari Pandey | Zendy; Neeta Pandey | Zendy; Gurumurthy Komanapalli | Zendy; Rashika Anurag | Zendy

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OTRA Based Voltage Mode Third Order Quadrature Oscillator

Author(s) -

Rajeshwari Pandey,

Neeta Pandey,

Gurumurthy Komanapalli,

Rashika Anurag

Publication year - 2014

Publication title -

isrn electronics

Language(s) - English

Resource type - Journals

ISSN - 2090-8679

DOI - 10.1155/2014/126471

Subject(s) - resistor , lossless compression , electronic engineering , total harmonic distortion , integrator , computer science , topology (electrical circuits) , quadrature (astronomy) , network topology , third order , lossy compression , oscillation (cell signaling) , voltage , relaxation oscillator , electrical engineering , engineering , voltage controlled oscillator , algorithm , theology , philosophy , data compression , artificial intelligence , biology , genetics , operating system

Two topologies of operational transresistance (OTRA) based third order quadrature oscillators (QO) are proposed in this paper. The proposed oscillators are designed using a combination of lossy and lossless integrators. The proposed topologies can be made fully integrated by implementing the resistors using matched transistors operating in linear region, which also facilitates electronic tuning of oscillation frequency. The nonideality analysis of the circuit is also given and for high frequency applications self-compensation can be used. Workability of the proposed QOs is verified through PSPICE simulations using 0.5 μm AGILENT CMOS process parameters. The total harmonic distortion (THD) for both the QO designs is found to be less than 1%.

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