Matching the power density and potentials of biological systems: A 3.1-nW, 130-mV, 0.023-mm3 pulsed 33-GHz radio transmitter in 32-nm SOI CMOS

Jaebin Choi,Aklimi, E., Roseman, J.,Tsai, D.

Custom Integrated Circuits Conference（2014）

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Abstract

A 3.1 nJ/bit pulsed millimeter-wave transmitter, 300μm by 300μm by 250μm in size, designed in 32-nm SOI CMOS, operates on an electric potential of 130mV and 3.1nW of dc power. These achieved power levels and potentials are comparable to those present across cellular and intracellular membranes. Far-field data transmission at 33 GHz is achieved by supply-switching an LC-oscillator with a duty cycle of 10-6. The time interval between pulses carries information on the amount of power harvested by the radio, supporting a data rate of ~1bps. The inductor of the oscillator also acts as an electrically small (~λ/30) on-chip antenna, enabling the extremely small form factor.

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Key words

CMOS integrated circuits,biological techniques,field effect MIMIC,integrated circuit design,millimetre wave oscillators,radio transmitters,silicon-on-insulator,CMOS,LC oscillator,SOI,biological system,frequency 33 GHz,power 3.1 nW,power density,pulsed millimeter wave transmitter,pulsed radio transmitter,silicon-on-insulator,size 250 mum,size 300 mum,size 32 nm,voltage 130 mV,Implantable biological devices,low-power electronics,microwave antennas,millimeter wave communication,switched capacitor circuits,

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