Italy

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9228.pdf

**Abstract:**

Body-coupled powering (BCP) via the human body channel has demonstrated improved pathloss and body-area coverage over conventional approaches. This work focuses on dynamic optimization of the transmitter (hub-side) output power and frequency, to avoid power overdraw for prolonged transmitter (hub) lifetime. Power evaluation and feedback allow the transmitter to dynamically adapt its power and frequency, based on the node-specific channel and power condition, with only ~90nW overhead. This saves the overall TX power by 7×. Moreover, HV driver with simplified driving circuits is proposed in standard CMOS process, which allows for 20× improved power delivery (at 105cm) while saving 23% of the TX power consumption. The body-coupled power transceiver (TRX) ICs are implemented and measured in 40nm CMOS process.

ESSCIRC ESSDERC 2021

Body-Coupled Power Transceiver with Node-Specific Body-Area Powering

body area network

power transfer

body-coupled powering

The aim of ESSCIRC and ESSDERC is to provide an annual European forum for the presentation and discussion of recent advances in solid-state devices and circuits.
The level of integration for system-on-chip design is rapidly increasing.

This is made available by advances in semiconductor technology. Therefore, more than ever before, a deeper interaction among technologists, device experts, IC designers, and system designers is necessary. ESSCIRC and ESSDERC are governed by a common Steering Committee and share Plenary Keynote Presentations and Joint Sessions bridging both device and circuit communities.

Highlights:
* 3 joint keynote presentations
* 3 keynote presentations ESSCIRC
* 3 keynote presentations ESSDERC
* Invited papers with overall coverage of all aspects of advanced devices and circuits
* Presentation of IEEE and ESSCIRC/ESSDERC Awards
* Educational Events

JOINT PLENARY talks live broadcast: September 13, 2021<br>
ESSCIRC and ESSDERC KEYNOTE talks live broadcast: September 15, 2021<br>
LIVE Q&A INTERACTIVE sessions for all Conference Technical sessions: September 14 – 16 – 17, 2021<br>
LIVE Q&A INTERACTIVE sessions for all Educational Events: September 20-21-22, 2021<br>
(on demand videos available from September 6 until November 30, 2021)

**Please see here for the [ESSCIRC Guide](https://drive.google.com/file/d/10dghzuv4aQBty4QfTIY9Q8hXyqsue8Le/view?usp=sharing), [ESSDERC Guide](https://drive.google.com/file/d/10dx9y2tm9cHPDa4upNUYjfXCf44aPry5/view?usp=sharing), and the [Program at a Glance](https://drive.google.com/file/d/10eU0OLTXEpiNzI5hkqv4mSr43T8cedPP/view?usp=sharing)**


To access ESSCIRC ESSDERC 2021, you must pre-register for the conference.  Instructions on how to access the event will be provided directly to attendees and included on the ESSCIRC ESSDERC conference website. [Register now](https://www.esscirc-essderc2021.org/).

Please register for the ESSCIRC conference to join the event.

The aim of ESSCIRC and ESSDERC is to provide an annual European forum for the presentation and discussion of recent advances in solid-state devices and circuits.
The level of integration for system-on-chip design is rapidly increasing.

This is made available by advances in semiconductor technology. Therefore, more than ever before, a deeper interaction among technologists, device experts, IC designers, and system designers is necessary. ESSCIRC and ESSDERC are governed by a common Steering Committee and share Plenary Keynote Presentations and Joint Sessions bridging both device and circuit communities.





technical paper

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9141.pdf

**Abstract:**

We present a circuit model for the co-simulation of spin qubits with their control and readout electronics in a common simulation environment. The model, completely simulated in Spectre, can handle all the basic operations on spin qubits, including readout and universal single and 2-qubit quantum gates. Furthermore, the model has the ability to include nonidealities such as decoherence and noisy control signals, thereby paving the way for circuit-technology co-optimization for spin-based quantum computation.

Circuit Model for the Efficient Co-Simulation of Spin Qubits and Their Control & Readout Circuitry

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9106.pdf

**Abstract:**

In this work, we report the characterization and modeling of a 14 nm bulk FinFET technology from room-temperature down to 4.6 K. A cryogenic device model is used which shows excellent fit to measured data and can accurately predict the performance of the devices at low temperatures. The obtained results show that a tailored cryogenic FinFET technology could achieve a sharp reduction of dissipated power by reducing the drive bias. Such technology has potential for strong impact e.g. in quantum computing, by enabling integration of dense advanced cryogenic ICs inside the cryostat.

Cryogenic Characterization and Modeling of 14 nm Bulk FinFET Technology

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9137.pdf

**Abstract:**

This study presents the first in depth characterization of deep cryogenic electrical behavior of a commercial 16nm CMOS FinFET technology. This technology is well suited for a broad range of applications, including quantum computing, quantum sensing, and quantum communications. Cryogenic DC measurements and physical parameters extraction were carried out on this commercial FinFET technology, operating at room temperature, i.e., 300 K, and down to 2.95K for different device types and geometries. This represents the main step towards cryogenic compact modeling and optimization of three-dimensional CMOS structures for quantum computations.

Cryogenic Characterization of 16 nm FinFET Technology for Quantum Computing

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9104.pdf

**Abstract:**

This paper reports a chopper Class-D audio amplifier that obtains high PSRR over the entire audio band. A chopping scheme is proposed to minimize intermodulation distortion between pulse-width modulation (PWM) and chopping in the audio band. A high-voltage chopper is developed to handle a 14.4 V PWM signal. Timing matching techniques are proposed to minimize chopping nonidealities which ensure good PSRR and THD. Fabricated in a 180nm BCD process, the prototype obtains a PSRR >109 dB at 217 Hz and >83.7 dB over the entire audio band. It also achieves −109.1 dB/−98 dB THD/THD+N and can deliver a maximum of 13 W to an 8-Ω load.

A −109.1 dB/−98 dB THD/THD+N Chopper Class-D Amplifier with >83.7 dB PSRR Over the Entire Audio Band

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9019.pdf

**Abstract:**

This paper presents a rail-to-rail class-AB operation amplifier with a proposed high-slew Miller compensation technique and current limiter for the output stage. Owing to the proposed Miller compensation technique, the amplifier achieves a maximum slew-rate of 30 V/μs while consuming a low quiescent current of 18μA. Among the state-of-the-art devices, the proposed amplifier has the best FOML of 34.72 for average slew-rate and FOMS of 10.11 for unity gain frequency.

A 18 μA Rail-to-Rail Class-AB Operational Amplifier with a High-Slew Miller Compensation (HSMC) Technique with 240% Settling Time Reduction in 0.18 μm

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9123.pdf

**Abstract:**

We present a widely tunable transimpedance amplifier (TIA) with a dc servo loop and an optional bandwidth extension. All resistors are implemented as multi-element pseudo-resistors, which feature high linearity, robustness against process and temperature, and a very wide tuning range of more than five decades. The TIA features a noise floor of 0.6fA/sqrt(Hz) at its maximum transimpedance of 150GOhm and a bandwidth of 2.9MHz at its minimum transimpedance of 440kOhm. A subsequent inverting amplifier stage provides an optional pole-zero compensation to extend the TIA\'s overall bandwidth. An additional dc servo loop can be used to compensate large dc currents.

A 440-kOhm to 150-GOhm Tunable Transimpedance Amplifier Based on Multi-Element Pseudo-Resistors

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9112.pdf

**Abstract:**

An internally compensated, two stage operational amplifier has been presented, fabricated using a-IGZO TFT technology. The highlight of the design is a new active load circuit based on positive feedback to realize high incremental impedance. The OpAmp has been fabricated and measured to have 57 dB DC-gain, 311 kHz unity-gain frequency and 75 deg. phase margin at 2.43mW power. To our knowledge, this design reports the highest achieved performance of an operational amplifier made in a-IGZO technology.

An a-IGZO TFT Based Op-Amp with 57 dB DC-Gain, 311 kHz Unity-Gain Freq., 75 deg. Phase Margin and 2.43 mW Power on Flexible Substrate

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9311.pdf

**Abstract:**

An on-chip analog waveform sampling system was demonstrated in a 65nm process focusing on extreme temperature step response measurements. Amplifier output waveforms were measured under different temperatures ranging from -40 degrees Celsius to 300 degrees Celsius. For reliability testing, the amplifiers were stressed at a 1.6x supply voltage and a 350 degrees Celsius stress temperature for a total stress time of 100 hours.

Extreme Temperature Characterization of Amplifier Response Up to 300 Degrees Celsius Using Integrated Heaters and On-Chip Samplers

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9091.pdf

**Abstract:**

A 272-GHz CMOS receiver (RX) for IEEE 802.15.3d, capable of an analog BPSK/QPSK demodulation based on a Costas loop, is presented. A QPSK demodulation is realized with the non-linear operation of a phase detector at the BPSKdemodulation Costas loop. An 8-Gbaud BPSK and a 4-Gbaud QPSK demodulation at the carrier frequency of 272.16 GHz (channel 58 of IEEE 802.15.3d) are achieved.

A 272-GHz CMOS Analog BPSK/QPSK Demodulator for IEEE 802.15.3d

**Please read the paper on the following link:**

https://1worldcontent.com/ess/9204.pdf

**Abstract:**

This work reports on a low-intermediate frequency (IF) receiver front-end for Internet-of-Things applications. An un-balanced gate-boosted common-gate low-noise amplifier is proposed with 50% lower power dissipation compared with the conventional balanced topology. Channel-selection is performed with 2 complex poles centered at 2 MHz IF. The first complex pole is embedded in the passive down-conversion mixer, enabling higher in-band voltage gain and improved frequency selectivity. Built in 28-nm CMOS, the proposed front-end occupies an active area of 0.175 mm2, it is supplied with 1 V and consumes only 400 µW, while showing a minimum NF of 6.8 dB and an out-of-band IIP3 of -0.35 dBm. The performance meets Bluetooth Low-Energy requirements and is competitive with other sub-mW receivers.

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