Low-voltage low-power rail-to-rail constant gm transconductance amplifier

Ahmed M. Eltawil; Ahmed M. Soliman

doi:10.1023/A:1008332021967

Low-voltage low-power rail-to-rail constant gm transconductance amplifier

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, a low-voltage low-power rail-to-rail constant gm transconductance amplifier (TA) is introduced. The supply voltages are set at (± 1.5 V). The circuit depends on selecting the maximum transconductance (gm) to achieve an almost constant gm over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 μW, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.

Original language	English (US)
Journal	Analog Integrated Circuits and Signal Processing
Volume	24
Issue number	2
DOIs	https://doi.org/10.1023/A:1008332021967
State	Published - Jul 1 2000
Externally published	Yes

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abstract = "In this paper, a low-voltage low-power rail-to-rail constant gm transconductance amplifier (TA) is introduced. The supply voltages are set at (± 1.5 V). The circuit depends on selecting the maximum transconductance (gm) to achieve an almost constant gm over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 μW, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.",

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N2 - In this paper, a low-voltage low-power rail-to-rail constant gm transconductance amplifier (TA) is introduced. The supply voltages are set at (± 1.5 V). The circuit depends on selecting the maximum transconductance (gm) to achieve an almost constant gm over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 μW, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.

AB - In this paper, a low-voltage low-power rail-to-rail constant gm transconductance amplifier (TA) is introduced. The supply voltages are set at (± 1.5 V). The circuit depends on selecting the maximum transconductance (gm) to achieve an almost constant gm over the entire common-mode (CM) range. The circuit is then used to realize a second-order 4 MHz lowpass filter consuming 530 μW, and a fifth-order 450 kHz lowpass elliptic filter consuming 2.3 mW. Both filters can be integrated on silicon without any external connections.

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ER -

Low-voltage low-power rail-to-rail constant gm transconductance amplifier

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