TY - GEN
T1 - Tunable, video-frequency, low-power, single-amplifier biquadratic filter in CMOS
AU - Schmid, Hanspeter
AU - Moschytz, George S.
PY - 1999
Y1 - 1999
N2 - In this paper, a tunable single-amplifier biquadratic lowpass filter is presented. It consists of one balanced low-gain current amplifier and a second-order MOSFET-C feedback network. The filter was integrated in a double-poly 0.6 μm CMOS process and operates from a 3.3 V power supply. The pole frequency is tunable from 15.2 to 17.2 MHz, the pole Q is 3, the spurious-free dynamic range is at least 60 dB, and the filter consumes only 2.4 mW per pole. Furthermore, the active area used per pole is only 0.06 mm2. The filter is well suited for low-power video-frequency applications, and demonstrates that the MOSFET-C filter technique can be applied successfully to filters other than those based on integrator-connected topologies.
AB - In this paper, a tunable single-amplifier biquadratic lowpass filter is presented. It consists of one balanced low-gain current amplifier and a second-order MOSFET-C feedback network. The filter was integrated in a double-poly 0.6 μm CMOS process and operates from a 3.3 V power supply. The pole frequency is tunable from 15.2 to 17.2 MHz, the pole Q is 3, the spurious-free dynamic range is at least 60 dB, and the filter consumes only 2.4 mW per pole. Furthermore, the active area used per pole is only 0.06 mm2. The filter is well suited for low-power video-frequency applications, and demonstrates that the MOSFET-C filter technique can be applied successfully to filters other than those based on integrator-connected topologies.
UR - http://www.scopus.com/inward/record.url?scp=0008392176&partnerID=8YFLogxK
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AN - SCOPUS:0008392176
SN - 0780354729
SN - 9780780354722
T3 - Proceedings - IEEE International Symposium on Circuits and Systems
SP - II-128 - II-131
BT - Proceedings - IEEE International Symposium on Circuits and Systems
T2 - Proceedings of the 1999 IEEE International Symposium on Circuits and Systems, ISCAS '99
Y2 - 30 May 1999 through 2 June 1999
ER -