The Power Consumption of CMOS Wideband Amplifiers

Eynde, F. Op't; Sansen, Willy

doi:10.1007/978-1-4615-3256-9_1

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1998

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“…Folded cascode, known for it's good high frequency behaviour [4], serves as basic topology. Measurements of 5 OTA's will be used to validate the design approach.…”

Section: Introductionmentioning

confidence: 99%

On the optimum design of regulated cascode operational transconductance amplifiers

Burger¹,

Huang²

1998

Proceedings of the 1998 International Symposium on Low Power Electronics and Design - ISLPED '98

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An optimal design procedure to achieve minimum power consumption for a given technology and gain bandwidth is presented. Regulated cascode gain enhancement is used to ensure sufficient DCgain at minimum gate length transistors. To validate the approach five folded cascode OTA's have been implemented, spanning a bias range of 1A -10mA, with measured unity-gain bandwidths within 20% of the designed value. For 17 mW at 3 V, a 0.5 m CMOS OTA achieves 630 MHz with 51 phase margin. The method has been applied in the design of a 3rd order modulator for GSM receivers. The modulator consumes 2.8 mW at 3 V and has a dynamic range of 86 dB for a 100 kHz input signal bandwidth.

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“…Folded cascode, known for it's good high frequency behaviour [4], serves as basic topology. Measurements of 5 OTA's will be used to validate the design approach.…”

Section: Introductionmentioning

confidence: 99%

On the optimum design of regulated cascode operational transconductance amplifiers

Burger¹,

Huang²

1998

Proceedings of the 1998 International Symposium on Low Power Electronics and Design - ISLPED '98

View full text Add to dashboard Cite

show abstract

The Power Consumption of CMOS Wideband Amplifiers

Cited by 1 publication

References 13 publications

On the optimum design of regulated cascode operational transconductance amplifiers

On the optimum design of regulated cascode operational transconductance amplifiers

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