Transconductor and integrator circuits for integrated bipolar video frequency filters

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Heij de, W.J.A. and Seevinck, Evert and Hoen, K. (1989) Transconductor and integrator circuits for integrated bipolar video frequency filters. In: IEEE International Symposium on Circuits and Systems, ISCAS 1989, 8-11 May 1989, Portland, OR, USA.

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Abstract:A description is presented of novel transconductor and integrator circuits which can be used in integrated video frequency filters in bipolar technology. The transconductor consists of a parallel connection of a passive nominal transconductance and an active variable transconductance, resulting in good high-frequency performance up to 70 MHz and less than 1% linearity error for input signals up to 2V pp. The integrator incorporates an operation transconductance amplifier circuit which provides a tunable integrator phase. Simulation results for all circuits and for a fifth-order elliptic low-pass filter with a nominal cutoff frequency of 5 MHz are presented
Item Type:Conference or Workshop Item
Copyright:©1989 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/56101
Official URL:http://dx.doi.org/10.1109/ISCAS.1989.100304
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