Two Simple Analog Multiplier Based Linear VCOs Using a Single Current Feedback Op-Amp - Circuits and Systems

CS > Vol.1 No.1, July 2010

Circuits and Systems

Volume 1, Issue 1 (July 2010)

ISSN Print: 2153-1285 ISSN Online: 2153-1293

Google-based Impact Factor: 0.48 Citations

Two Simple Analog Multiplier Based Linear VCOs Using a Single Current Feedback Op-Amp ()

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DOI: 10.4236/cs.2010.11001 6,993 Downloads 15,402 Views Citations

Author(s)

Data Ram Bhaskar, Raj Senani, Abdhesh Kumar Singh, Shanti Swarup Gupta

Affiliation(s)

ABSTRACT

Two simple voltage-controlled-oscillators (VCO) with linear tuning laws employing only a single current feedback operational amplifier (CFOA) in conjunction with two analog multipliers (AM) have been highlighted. The workability of the presented VCOs has been demonstrated by experimental results based upon AD844 type CFOAs and AD534 type AMs.

KEYWORDS

Voltage-Controlled Oscillators, Current Feedback Op-Amps, Current-Mode Circuits, Analog Multipliers

Share and Cite:

Ram Bhaskar, D. , Senani, R. , Kumar Singh, A. and Gupta, S. (2010) Two Simple Analog Multiplier Based Linear VCOs Using a Single Current Feedback Op-Amp. Circuits and Systems, 1, 1-4. doi: 10.4236/cs.2010.11001.

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