Search results for: Andrea Bevilacqua

Items from 1 to 20 out of 45 results

chapter

A 21GHz 20.5%-tuning range Colpitts VCO with −119 dBc/Hz phase noise at 1MHz offset

Fabio Boscolo, Fabio Padovan, Fabio Quadrelli, Marc Tiebout, more

ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference > 91 - 94

ESSCIRC 2017 - 43rd IEEE European Solid State Circuits Conference (ESSCIRC)

A SiGe BiCMOS Colpitts VCO with a transformer-coupled varactor operating from 18.8 to 23.1 GHz is presented. The Colpitts topology is leveraged to trade a slight degradation in the oscillator figure-of-merit for very low phase noise. The oscillator features a state-of-the-art phase noise of −119.4 dBc/Hz at 1 MHz offset from the carrier, while drawing 17.5 mA from the 4 V supply. The oscillator FoM...

article

A Symbol-Duty-Cycled 440-pJ/b Impulse Radio Receiver With 0.57-aJ Sensitivity in 130-nm CMOS

Daniele Vogrig, Andrea Bevilacqua, Andrea Gerosa, Andrea Neviani

IEEE Transactions on Microwave Theory and Techniques > 2017 > 65 > 2 > 565 - 573

This paper presents an ultra-wideband impulse radio (UWB-IR) receiver (RX) for ultralow energy consumption applications. The design of the receiver takes full advantage of the pulsed nature of UWB-IR communication technology aiming at architectural simplicity, avoidance of precise frequency reference generation, and symbol-level duty-cycled operation. The tradeoff between receiver sensitivity and...

chapter

13.9 A 1.1V 28.6dBm fully integrated digital power amplifier for mobile and wireless applications in 28nm CMOS technology with 35% PAE

Antonio Passamani, Davide Ponton, Edwin Thaller, Gerhard Knoblinger, more

2017 IEEE International Solid-State Circuits Conference (ISSCC) > 232 - 233

2017 IEEE International Solid- State Circuits Conference - (ISSCC)

In today's connected world, smaller and leaner wireless applications emerge, calling for increasingly higher integration and smaller footprint, while ensuring high reliability and operation at limited supply voltages. In this context, the integration of the power amplifier (PA) is a challenge. Wireless transmission requires Watt-level peak power, which is usually achieved by means of a dedicated external...

chapter

A 15.5–39GHz BiCMOS VGA with phase shift compensation for 5G mobile communication transceivers

Fabio Padovan, Marc Tiebout, Andrea Neviani, Andrea Bevilacqua

ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference > 363 - 366

ESSCIRC Conference 2016: 42nd European Solid-State Circuits Conference

A BiCMOS VGA for the emerging 5G mobile communication systems operates from 15.5 to 39GHz with a maximum 17 dB gain, features 43 dB gain variation, and, due to the use of compensation circuits, it shows a reduced phase shift variation, namely 3° up to 30GHz for a gain variation of 23 dB. The VGA NF is 3.6–9 dB, its IIP3 is −1 dBm, while the power consumption is 104mW.

article

Analysis and design of power and efficiency in third-order matching networks for switched-capacitor power-amplifiers

Antonio Passamani, Davide Ponton, Gerhard Knoblinger, Andrea Bevilacqua

Analog Integrated Circuits and Signal Processing > 2016 > 89 > 2 > 307-315

This paper presents the design of a matching network (MN) for switched-capacitor PAs (SCPA) optimized for efficiency against required load output power. The presented third-order MN exploits the intrinsic output capacitance of the SCPA, reducing the number of passive components required by the MN. As an example, a MN for a 1.1 V switched capacitor power amplifier has been designed with a bluetooth...

article

A 64-Channel 965- $\mu\text{W}$ Neural Recording SoC With UWB Wireless Transmission in 130-nm CMOS

Stefano Brenna, Fabio Padovan, Andrea Neviani, Andrea Bevilacqua, more

IEEE Transactions on Circuits and Systems II: Express Briefs > 2016 > 63 > 6 > 528 - 532

This brief presents a 64-channel neural recording system-on-chip (SoC) with a 20-Mb/s wireless telemetry. Each channel of the analog front end consists of a low-noise bandpass amplifier, featuring a noise efficiency factor of 3.11 with an input-referred noise of 5.6

$\mu\text{V}_{\mathrm{rms}}$

in a 0.001- to 10-kHz band and a 31.25-kSps 6-fJ/conversion-step 10-bit SAR analog-to-digital converter...

article

A 12 GHz 22 dB-Gain-Control SiGe Bipolar VGA With 2° Phase-Shift Variation

Fabio Padovan, Marc Tiebout, Andrea Neviani, Andrea Bevilacqua

IEEE Journal of Solid-State Circuits > 2016 > 51 > 7 > 1525 - 1536

A 12 GHz VGA showing a gain variation range from

$-9\;\text{dB}$

$13\;\text{dB}$

with a linear-in-dB gain control feature is presented in this work. As the gain is changed, the phase shift over the entire 10–14.4 GHz bandwidth varies as little as

$\leq$

2° due to a compensation circuitry that reduces the input-output phase shift sensitivity to gain variations in a robust manner with respect to...

chapter

SiGe BiCMOS VCO with 27% tuning range for 5G communications

Fabio Padovan, Marc Tiebout, Franz Dielacher, Andrea Bevilacqua, more

2015 Asia-Pacific Microwave Conference (APMC) > 1 > 1 - 3

2015 Asia-Pacific Microwave Conference (APMC)

A SiGe BiCMOS VCO with a transformer-coupled varactor operating from 12 to 15.9 GHz is presented. The oscillator core features a phase noise as low as −117dBc/Hz at 1 MHz offset from the 14.2 GHz carrier while drawing 8 mA from the 3.3 V supply. The VCO shows a state-of-the-art FOMt of −190dBc/Hz. The trade-off for the technology selection is described in the introduction. The oscillator is tailored...

chapter

Analysis and design of a 1.1dB-IL third-order Matching Network for Switched-Capacitor PAs

Antonio Passamani, Davide Ponton, Gerhard Knoblinger, Andrea Bevilacqua

2015 Nordic Circuits and Systems Conference (NORCAS): NORCHIP & International Symposium on System-on-Chip (SoC) > 1 - 4

2015 Nordic Circuits and Systems Conference (NORCAS): NORCHIP & International Symposium on System-on-Chip (SoC)

A Matching Network for a 1.1V Switched Capacitor Power Amplifier has been designed with a Bluetooth Application in mind. The Matching Network has been implemented in a 28nm CMOS RF Metal Stack and provides 16.7dBm output power with IL = 1.1dB at 2.4GHz. A detailed analytical model of power and efficiency of the Matching Network is derived and used for optimal design of the Matching Network. The model...

chapter

A 12GHz 22dB-gain-control SiGe bipolar VGA with 2° phase shift variation

Fabio Padovan, Marc Tiebout, Andrea Neviani, Andrea Bevilacqua

ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference (ESSCIRC) > 56 - 59

ESSCIRC Conference 2015 - 41st European Solid-State Circuits Conference

A 12GHz VGA is presented that shows a gain control from −9dB to 13dB in a linear-in-dB fashion. As the gain is changed, the phase shift over the entire 10 to 14.4 GHz bandwidth varies as little as ≤2° due to a compensation circuitry that reduces the input-output phase shift sensitivity to gain variations. The VGA prototypes, implemented in a SiGe bipolar technology, show a noise figure of 5.1 dB,...

article

On the Phase Noise Performance of Transformer-Based CMOS Differential-Pair Harmonic Oscillators

Andrea Mazzanti, Andrea Bevilacqua

IEEE Transactions on Circuits and Systems I: Regular Papers > 2015 > 62 > 9 > 2334 - 2341

The white noise to phase noise conversion of one- and two-port CMOS differential-pair harmonic oscillators with transformer-based resonators is addressed in this paper. First, the operation of double-tuned transformer resonators is reviewed and design guidelines are proposed to maximize the quality factor. A rigorous approach is then employed to approximate the transformer network with a second order...

article

A 40–67 GHz Power Amplifier With 13 dBm ${\rm P}_{\rm SAT}$ and 16% PAE in 28 nm CMOS LP

Matteo Bassi, Junlei Zhao, Andrea Bevilacqua, Andrea Ghilioni, more

IEEE Journal of Solid-State Circuits > 2015 > 50 > 7 > 1618 - 1628

Pushed by the availability of large fractional bandwidths, many well-established applications are focusing mm-wave spectrum for product deployment. Generation of broadband power at mm-waves is challenging because a key target such as the efficiency trades with the gain-bandwidth (GBW) product. The major limit is the capacitive parasitics at the interstage between driver and power devices. The latter...

chapter

A symbol-duty-cycled 440 pJ/b impulse radio receiver with 0.57 aJ sensitivity in 130 nm CMOS

Daniele Vogrig, Andrea Bevilacqua, Andrea Gerosa, Andrea Neviani

2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC) > 243 - 246

2015 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)

A non-coherent 130nm CMOS UWB impulse radio receiver for ultra-low energy consumption applications is presented. The receiver supports a 4.4 Mb/s data rate employing 2-PPM modulation, with a sensitivity of 0.57 aJ. Implementing symbol-level duty-cycling, such an outstanding performance is attained at an energy consumption of only 440 pJ/b.

article

Design of Low-Noise $K$ -Band SiGe Bipolar VCOs: Theory and Implementation

Fabio Padovan, Marc Tiebout, Koen L. R. Mertens, Andrea Bevilacqua, more

IEEE Transactions on Circuits and Systems I: Regular Papers > 2015 > 62 > 2 > 607 - 615

A study of $K$ -band SiGe bipolar VCOs is reported in this paper. The design challenges related to the operation in the $K$ -band and the use of a pure bipolar technology are discussed with particular emphasis to achieving low phase noise while using varactor diodes. Two different VCOs have been designed and fabricated. In the designs, the varactor is coupled to the active element by means of a magnetic...

article

A 2–16 GHz 65 nm CMOS Stepped-Frequency Radar Transmitter With Harmonic Rejection for High-Resolution Medical Imaging Applications

Michele Caruso, Matteo Bassi, Andrea Bevilacqua, Andrea Neviani

IEEE Transactions on Circuits and Systems I: Regular Papers > 2015 > 62 > 2 > 413 - 422

A 65 nm CMOS transmitter capable of providing signals over the wide 2 to 16 GHz frequency range for stepped-frequency continuous wave short-range medical radar applications is presented. It generates both the local oscillator signals required for quadrature downconversion in the receiver path, and the transmitter output signal, thus guaranteeing phase coherence between transmitter and receiver, essential...

chapter

Energy-efficient ultra-wideband impulse radios for short-range low-data rate communications

Andrea Bevilacqua, Andrea Neviani

2014 21st IEEE International Conference on Electronics, Circuits and Systems (ICECS) > 874 - 877

2014 21st IEEE International Conference on Electronics, Circuits and Systems (ICECS)

After having long been used in military radio applications, Ultra-Wideband Impulse Radio (UWB-IR) is now emerging as a communication technology suitable for short-range, low-data rate radio links in applications with a tight energy budget, such as wireless sensor networks, neural recording, etc. As a significant example of this trend, this paper presents the design of fully integrated UWB-IR transmitters...

chapter

A 40–67GHz power amplifier with 13dBm PSAT and 16% PAE in 28 nm CMOS LP

Junlei Zhao, Matteo Bassi, Andrea Bevilacqua, Andrea Ghilioni, more

ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC) > 179 - 182

ESSCIRC 2014 - 40th European Solid State Circuits Conference

A design methodology for interstage and output matching networks for wide-band Power Amplifiers for wireless applications is proposed. Leveraging wideband inductively coupled resonators, we apply Norton transformations for impedance matching. A two-stage differential PA with neutralized common source stages has been realized in 28 nm CMOS using low-power devices. The PA delivers 13 dBm saturated output...

chapter

A 20Mb/s, 2.76 pJ/b UWB impulse radio TX with 11.7% efficiency in 130 nm CMOS

Fabio Padovan, Andrea Bevilacqua, Andrea Neviani

ESSCIRC 2014 - 40th European Solid State Circuits Conference (ESSCIRC) > 287 - 290

ESSCIRC 2014 - 40th European Solid State Circuits Conference

An UWB impulse radio transmitter for ultra-low energy neural recording applications is proposed. The transmitter is designed for robust and efficient operation in the 7.25–8.5GHz band, supporting communication ranges in excess to 4m. Powered by a low-voltage 0.5V supply, prototypes in a 130 nm CMOS technology are able to transmit 2.76 pJ/b PPM-modulated pulses to the antenna at a 20Mb/s data rate...

chapter

A linear model of efficiency for Switched-Capacitor RF Power-Amplifiers

Antonio Passamani, Davide Ponton, Gerhard Knoblinger, Andrea Bevilacqua

2014 10th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME) > 1 - 4

2014 10th Conference on Ph.D. Research in Microelectronics and Electronics (PRIME)

In this paper, a linear model for intrinsic power and efficiency in Radio-Frequency Switched-Capacitor Power Amplifiers (SCPA) is presented. Given a target output power and frequency of operation this model enables sizing the output stage inverter for maximum efficiency by means of back-of-the-envelope equations. The model is validated by SpectreRF simulations for a low-power CMOS 28nm technology...

article

An $X$ -Band Lumped-Element Wilkinson Combiner With Embedded Impedance Transformation

Michele Caruso, Andrea Bevilacqua, Andrea Neviani

IEEE Microwave and Wireless Components Letters > 2014 > 24 > 10 > 689 - 691

An integrated equal-split Wilkinson power combiner/divider tailored for operation in the $X$ -band is reported in this letter. The combiner features differential input/output ports with different characteristic impedances, thus embedding an impedance transformation feature. Over the frequency range from 8 to 14 GHz it shows insertion loss of 1.4dB, return loss greater than 12 dB and isolation greater...

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Keywords

PHASE NOISE (13)
RECEIVERS (10)
FREQUENCY MEASUREMENT (9)
CMOS (8)
VOLTAGE-CONTROLLED OSCILLATORS (7)
CAPACITANCE (6)
CMOS INTEGRATED CIRCUITS (6)
TUNING (6)
FREQUENCY CONVERSION (5)
SENSITIVITY (5)
TRANSCEIVERS (5)
BANDWIDTH (4)
MIXERS (4)
SILICON GERMANIUM (4)
VOLTAGE CONTROLLED OSCILLATOR (4)
CAPACITORS (3)
GAIN (3)
HARMONIC ANALYSIS (3)
IMPULSE RADIO (3)
INDUCTORS (3)
MODULATION (3)
PHASED ARRAYS (3)
POWER GENERATION (3)
RADAR IMAGING (3)
SWITCHES (3)
SYNCHRONIZATION (3)
TUMORS (3)
ANTENNA ARRAYS (2)
BICMOS INTEGRATED CIRCUITS (2)
BREAST (2)
BROADBAND AMPLIFIERS (2)
EFFICIENCY (2)
FREQUENCY DIVIDER (2)
FREQUENCY DIVIDERS (2)
FREQUENCY MODULATION (2)
GAIN CONTROL (2)
IMAGING (2)
IMPEDANCE (2)
INJECTION LOCKING (2)
NOISE (2)
NOISE MEASUREMENT (2)
PHASE LOCKED LOOPS (2)
POWER (2)
POWER AMPLIFIERS (2)
RADIO TRANSMITTERS (2)
RESISTANCE (2)
RING OSCILLATORS (2)
SIZE 65 NM (2)
TRANSISTORS (2)
TRANSMITTERS (2)
ULTRA-WIDEBAND (UWB) (2)
UWB (2)
VARACTORS (2)
VOLTAGE 1.2 V (2)
WIDEBAND (2)
WIRELESS COMMUNICATION (2)
1 MHZ (1)
1 MW (1)
1/F NOISE (1)
3.4 TO 7 GHZ (1)
5G MOBILE COMMUNICATION (1)
$K$ -BAND (1)
AMPLITUDE SHIFT KEYING (1)
ANALOG-DIGITAL CONVERSION (1)
ANTENNA RADIATION PATTERNS (1)
ARRAY SIGNAL PROCESSING (1)
ARRAYS (1)
ATMOSPHERE (1)
BACKHAUL COMMUNICATIONS (1)
BASEBAND (1)
BIOMEDICAL IMAGE PROCESSING (1)
BIPOLAR TRANSISTOR (1)
BIT ERROR RATE (1)
BIT RATE 5 MBIT/S (1)
BLUETOOTH (1)
BMI (1)
BREAST CANCER (1)
BREAST CANCER DETECTION (1)
C-DAC (1)
CANCER DETECTION (1)
CELLULAR RADIO (1)
CLOCKS (1)
CMOS ANALOGUE INTEGRATED CIRCUITS (1)
CMOS PROCESS (1)
COUPLED RESONATORS (1)
CURRENT 430 MUA (1)
CURRENT 9 MA (1)
CURRENT REUSE (1)
DELTA MODULATION (1)
DIGITAL CLOCKING (1)
DIRECT CONVERSION (1)
DIRECT DIGITAL SYNTHESIS (DDS) (1)
DIRECT INJECTION LOCKING (1)
DIVIDE-BY-FOUR INJECTION-LOCKED FREQUENCY DIVIDER (1)
DPA (1)
DUAL-MODE OSCILLATOR (1)
EDGE COMBINING (1)
EDUCATIONAL INSTITUTIONS (1)
ELECTRONICS PACKAGING (1)
ENERGY CONSUMPTION (1)
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INFONA - science communication portal

Search results for: Andrea Bevilacqua

A 21GHz 20.5%-tuning range Colpitts VCO with −119 dBc/Hz phase noise at 1MHz offset

A Symbol-Duty-Cycled 440-pJ/b Impulse Radio Receiver With 0.57-aJ Sensitivity in 130-nm CMOS

13.9 A 1.1V 28.6dBm fully integrated digital power amplifier for mobile and wireless applications in 28nm CMOS technology with 35% PAE

A 15.5–39GHz BiCMOS VGA with phase shift compensation for 5G mobile communication transceivers

Analysis and design of power and efficiency in third-order matching networks for switched-capacitor power-amplifiers

A 64-Channel 965- $\mu\text{W}$ Neural Recording SoC With UWB Wireless Transmission in 130-nm CMOS

A 12 GHz 22 dB-Gain-Control SiGe Bipolar VGA With 2° Phase-Shift Variation

SiGe BiCMOS VCO with 27% tuning range for 5G communications

Analysis and design of a 1.1dB-IL third-order Matching Network for Switched-Capacitor PAs

A 12GHz 22dB-gain-control SiGe bipolar VGA with 2° phase shift variation

On the Phase Noise Performance of Transformer-Based CMOS Differential-Pair Harmonic Oscillators

A 40–67 GHz Power Amplifier With 13 dBm ${\rm P}_{\rm SAT}$ and 16% PAE in 28 nm CMOS LP

A symbol-duty-cycled 440 pJ/b impulse radio receiver with 0.57 aJ sensitivity in 130 nm CMOS

Design of Low-Noise $K$ -Band SiGe Bipolar VCOs: Theory and Implementation

A 2–16 GHz 65 nm CMOS Stepped-Frequency Radar Transmitter With Harmonic Rejection for High-Resolution Medical Imaging Applications

Energy-efficient ultra-wideband impulse radios for short-range low-data rate communications

A 40–67GHz power amplifier with 13dBm PSAT and 16% PAE in 28 nm CMOS LP

A 20Mb/s, 2.76 pJ/b UWB impulse radio TX with 11.7% efficiency in 130 nm CMOS

A linear model of efficiency for Switched-Capacitor RF Power-Amplifiers

An $X$ -Band Lumped-Element Wilkinson Combiner With Embedded Impedance Transformation

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