A 2.4 GHz ISM-band highly digitized receiver based on a variable gain LNA and a subsampled $$\varSigma \varDelta$$ Σ Δ ADC

Haghighitalab, Delaram; Belfort, Diomadson Rodrigues; Kilic, Alp; Benlarbi-Delaï, Aziz; Aboushady, Hassan

doi:10.1007/s10470-018-1136-2

Cited by 4 publications

(2 citation statements)

References 19 publications

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“…The recent increase in wireless communication standards has pushed the development of multi-standard RF transceivers [56]- [58], where the same RF transceiver circuit serves for establishing communication using several standards. Different standards have different requirements in terms of sensitivity, center frequency, bandwidth, resolution, etc.…”

Section: Case Study a Programmable σ∆ Modulatormentioning

confidence: 99%

Locking by Untuning: A Lock-Less Approach for Analog and Mixed-Signal IC Security

Elshamy

Sayed

Louërat

et al. 2021

IEEE Trans. VLSI Syst.

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We propose an anti-piracy security approach for programmable analog and mixed-signal (AMS) Integrated Circuits (ICs). The security approach relies on functionality locking by leveraging the inherent programmability and utilizing the configuration settings as secret keys or, equivalently, the programming bits as key-bits. When invalid keys are applied, the circuit is untuned and, as a result, its functionality breaks, i.e., at least one of the performances violates its specification. As long as the calibration algorithm that produces the configuration settings can be kept secret, the proposed approach can serve as a countermeasure against all types of counterfeiting, i.e., cloning, overbuilding, remarking, and recycling. An important advantage of the proposed approach is that it is lock-less. It leaves the design intact, there is no change to the design flow, and there is no performance penalty and no area or power overheads due to the lock operation. We demonstrate it on a Σ∆ Analogto-Digital Converter (ADC) with 194-bit programmability and complex calibration algorithm used in the context of highlydigitized, multi-standard RF receivers.

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Section: Case Study a Programmable σ∆ Modulatormentioning

confidence: 99%

Locking by Untuning: A Lock-Less Approach for Analog and Mixed-Signal IC Security

Elshamy

Sayed

Louërat

et al. 2021

IEEE Trans. VLSI Syst.

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“…To demonstrate MixLock, we used as case study a bandpass (BP) Σ∆ ADC which converts a band B = 25 MHz centered at F 0 = 2.4 GHz with a sampling frequency F s = 3.2 GHz [27]. The block-level schematic is shown in Fig.…”

Section: Case Study: σ∆ Adcmentioning

confidence: 99%

MixLock: Securing Mixed-Signal Circuits via Logic Locking

Leonhard

Yasin

Turk

et al. 2019

2019 Design, Automation &Amp; Test in Europe Conference &Amp; Exhibition (DATE)

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In this paper, we propose a hardware security methodology for mixed-signal Integrated Circuits (ICs). The proposed methodology can be used as a countermeasure for IC piracy, including counterfeiting and reverse engineering. It relies on logic locking of the digital section of the mixed-signal IC, such that unless the correct key is provided, the mixed-signal performance will be pushed outside of the acceptable specification range. We employ a state-of-the-art logic locking technique, called Stripped Functionality Logic Locking (SFLL). We show that strong security levels are achieved in both mixed-signal and digital domains. In addition, the proposed methodology presents several appealing properties. It is non-intrusive for the analog section, it incurs reasonable area and power overhead, it can be fully automated, and it is virtually applicable to a wide range of mixed-signal ICs. We demonstrate it on a Σ∆ Analog-to-Digital Converter (ADC).

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RF to Bits Highly Tunable Sub-1 pJ/bit Digital Beamforming Receiver Architectures for 5G Applications

Ghoniem¹,

Sayed

Saeed

et al. 2022

2022 29th IEEE International Conference on Electronics, Circuits and Systems (ICECS)

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A 2.4 GHz ISM-band highly digitized receiver based on a variable gain LNA and a subsampled $$\varSigma \varDelta$$ Σ Δ ADC

Cited by 4 publications

References 19 publications

Locking by Untuning: A Lock-Less Approach for Analog and Mixed-Signal IC Security

Locking by Untuning: A Lock-Less Approach for Analog and Mixed-Signal IC Security

MixLock: Securing Mixed-Signal Circuits via Logic Locking

RF to Bits Highly Tunable Sub-1 pJ/bit Digital Beamforming Receiver Architectures for 5G Applications

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