Electronically Controllable Explicit Current Output Sinusoidal Oscillator Employing Single VDTA | Zendy

Dinesh Prasad | Zendy; D. R. Bhaskar | Zendy

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Electronically Controllable Explicit Current Output Sinusoidal Oscillator Employing Single VDTA

Author(s) -

Dinesh Prasad,

D. R. Bhaskar

Publication year - 2012

Publication title -

isrn electronics

Language(s) - English

Resource type - Journals

ISSN - 2090-8679

DOI - 10.5402/2012/382560

Subject(s) - capacitor , oscillation (cell signaling) , transconductance , resistor , vackář oscillator , operational transconductance amplifier , amplifier , voltage , rc oscillator , electrical engineering , operational amplifier , electronic engineering , control theory (sociology) , voltage controlled oscillator , computer science , control (management) , engineering , transistor , cmos , genetics , artificial intelligence , biology

A new current-mode sinusoidal oscillator employing a single voltage differencing transconductance amplifier (VDTA), two grounded capacitors, and one grounded resistor has been proposed. The proposed sinusoidal oscillator offers the following advantageous features: (i) use of grounded capacitors which are attractive from the view point of IC implementation as well as eliminating/accommodating parasitic capacitances, (ii) independent control of frequency of oscillation and condition of oscillation, (iii) ready availability of explicit current-mode output, (iv) low active and passive sensitivities, and (v) a very good frequency stability. The workability of the proposed configuration has been established by PSPICE simulations.

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