New Log-Domain First-Order Multifunction Filter Using MOSFETs in Weak Inversion - Circuits and Systems

CS > Vol.7 No.11, September 2016

Circuits and Systems

Volume 7, Issue 11 (September 2016)

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

Google-based Impact Factor: 0.48 Citations

New Log-Domain First-Order Multifunction Filter Using MOSFETs in Weak Inversion ()

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Download as PDF (Size: 1620KB) PP. 3522-3530

DOI: 10.4236/cs.2016.711299 1,453 Downloads 2,501 Views Citations

Author(s)

Manoj Kumar Jain, Vinod Kumar Singh

Affiliation(s)

Department of Electronics Engineering, Institute of Engineering and Technology, Lucknow, India.

ABSTRACT

A new current-mode first-order log-domain multifunction filter is presented in this paper. This filter has single input and provides three outputs (low-pass, high-pass and all-pass) using a first-order low-pass filter and five of current mirrors as building blocks. The proposed filter employs only MOSFETs and a grounded capacitor. The first-order filters are used in audio and video applications extensively. The MOSFETs of the core section are operated in weak inversion thereby making the circuit suitable for low-voltage, low-power applications. The SPICE simulations have shown good performance of the proposed filter.

KEYWORDS

Log-Domain Filters, Multifunction Filter, Translinear Circuits

Share and Cite:

Jain, M. and Singh, V. (2016) New Log-Domain First-Order Multifunction Filter Using MOSFETs in Weak Inversion. Circuits and Systems, 7, 3522-3530. doi: 10.4236/cs.2016.711299.

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