Voltage

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A 1-8 GHz, 190MHz BB BW Mixer-First Receiver With Bootstrapped Mixer Switches Achieving Over 16dBm In-Band IIP3

A 1-8 GHz, 190MHz BB BW Mixer-First Receiver With Bootstrapped Mixer Switches Achieving Over 16dBm In-Band IIP3 150 150
Author(s): Erwin Hardeveld, Ronan van der Zee, Bram Nauta

Abstract:

In this article, we propose a wideband mixer-first receiver with improved in-band (IB) linearity. It uses bootstrapped N-path mixer switches to achieve a constant on-state gate–source voltage for large IB signals. We analyze the tradeoff between on-state resistance and off-state subthreshold current in conventional mixer switches and introduce a …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 14
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3606117
Publisher: IEEE

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A 40.68-MHz, 200-ns-Settling Active Rectifier for mm-Sized Implants

A 40.68-MHz, 200-ns-Settling Active Rectifier for mm-Sized Implants 150 150
Author(s): Ronald Wijermars, Yi-Han Ou-Yang, Sijun Du, Dante G. Muratore

Abstract:

This letter describes a fast-settling active rectifier for a 40.68 MHz wireless power transfer receiver for implantable applications. Fast-settling and low power are achieved through a novel direct voltage-domain compensation technique. The rectifier maintains high efficiency during load and link variations required for downlink communication. The system was fabricated in 40nm …

Published in: IEEE Solid-State Circuits Letters
Page(s): 305 – 308
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3611484
Publisher: IEEE

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A Low-EMI, High-DR Class-D Audio Amplifier With Double-Sided Voltage-Boosting Modulation

A Low-EMI, High-DR Class-D Audio Amplifier With Double-Sided Voltage-Boosting Modulation 150 150
Author(s): Jhuang-Wei Cyue, Tai-Haur Kuo

Abstract:

This article presents a digital-input class-D audio amplifier (CDA) that employs a double-sided voltage-boosting (DSVB) modulation scheme, integrating a capacitively coupled chopper amplifier (CCCA) with a single-inductor buck–boost power stage. The CCCA achieves a high dynamic range (DR) due to its very low noise floor and is implemented with …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3602261
Publisher: IEEE

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A 0-to- 10μF Off-Chip Output Capacitor-Scalable Boost Converter Achieving 96.68% Peak Efficiency

A 0-to- 10μF Off-Chip Output Capacitor-Scalable Boost Converter Achieving 96.68% Peak Efficiency 150 150
Author(s): Hyeon-Ji Choi, Joo-Mi Cho, Hyo-Jin Park, Seok-Jun Lee, Sung-Wan Hong

Abstract:

This letter presents an off-chip output capacitor (CO)-scalable (OCS) boost converter. The proposed OCS boost converter is possible to operate both with and without the off-chip CO. In addition, it operates in a whole conversion ratio (CR) range over 1 while maintaining a small current ripple of an inductor, resulting …

Published in: IEEE Solid-State Circuits Letters
Page(s): 233 – 236
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3594739
Publisher: IEEE

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A 0.7-V Multiclass Digital Doherty Power Amplifier for BLE Applications With 41% Peak DE in 22-nm CMOS

A 0.7-V Multiclass Digital Doherty Power Amplifier for BLE Applications With 41% Peak DE in 22-nm CMOS 150 150
Author(s): Edoardo Baiesi Fietta, David Seebacher, Davide Ponton, Andrea Bevilacqua

Abstract:

This letter presents a multiclass, asymmetric digital Doherty power amplifier (DDPA) for Bluetooth low energy (BLE) applications, that achieves high efficiency at full-scale as well as at 8.6-dB back-off using a single 0.7-V supply voltage. The proposed DDPA is made of two power-combined switched-capacitor power amplifiers (SCPAs) and uses an …

Published in: IEEE Solid-State Circuits Letters
Page(s): 217 – 220
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3591570
Publisher: IEEE

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A 45-V Auto-Zero-Stabilized Chopper Instrumentation Amplifier With 1.8- μ V Offset, 33.5- μ V Ripple, and 42-V Common-Mode Input Range

A 45-V Auto-Zero-Stabilized Chopper Instrumentation Amplifier With 1.8- μ V Offset, 33.5- μ V Ripple, and 42-V Common-Mode Input Range 150 150
Author(s): Jiahao Wang, Shen Ye, Shiqi Zhang, Zhiliang Hong, Jiawei Xu

Abstract:

This letter presents a 45V high-precision current-feedback instrumentation amplifier (CFIA) that combines both chopping and auto-zeroing (AZ) to achieve 1.8- $mu $ V input offset (10 samples) and 33.5- $mu $ V input-referred ripple. The AZ is duty cycled to minimize power and silicon area, with a parallel auxiliary path operating during AZ …

Published in: IEEE Solid-State Circuits Letters
Page(s): 173 – 176
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3576393
Publisher: IEEE

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A 9-GHz Low-In-Band Noise Sub-Sampling-Chopper PLL With Charge-Share Canceling Technique

A 9-GHz Low-In-Band Noise Sub-Sampling-Chopper PLL With Charge-Share Canceling Technique 150 150
Author(s): Xiangjian Kong, Kai Xu, Huanlin Xie, Mingchao Jian, Hao Lian, Robert Bogdan Staszewski, Chunbing Guo

Abstract:

This article presents a low-jitter sub-sampling chopper phase-locked loop (SS-CPLL) that incorporates a novel chopping charge pump (C-CP) to mitigate 1/f noise in short-channel devices operating at a low supply voltage of 0.75 V. A charge-share cancellation technique is introduced to suppress ripple generated by residual charge from the previous reference …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1384 – 1396
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3532504
Publisher: IEEE

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A Ping-Pong Charge-Sharing Locking PLL With Implicit Reference Doubling and Simultaneous Frequency/Duty-Cycle Calibrations

A Ping-Pong Charge-Sharing Locking PLL With Implicit Reference Doubling and Simultaneous Frequency/Duty-Cycle Calibrations 150 150
Author(s): Sayan Kumar, Teerachot Siriburanon, Sumit Dash, Patchara Sawakewang, Shuja Andrabi, Jon Strange, Khurram Muhammad, Chih-Ming Hung, Robert Bogdan Staszewski

Abstract:

We propose a new ping-pong (PP) charge-sharing locking (CSL) phase-locked loop (PLL) architecture that enhances the strength of charge-injection into the oscillator’s LC-tank using complementary charge-sharing capacitors during both positive and negative halves of the reference clock, effectively achieving an implicit $2times $ reference frequency multiplication. The design includes a …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1368 – 1383
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3535888
Publisher: IEEE

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A 32 Gb/s 0.36 pJ/bit 3 nm Chiplet IO Using 2.5-D CoWoS Package With Real-Time and Per-Lane CDR and Bathtub Monitoring

A 32 Gb/s 0.36 pJ/bit 3 nm Chiplet IO Using 2.5-D CoWoS Package With Real-Time and Per-Lane CDR and Bathtub Monitoring 150 150
Author(s): Junhui Gu, John Ma, Azhar Ahmed Chowdhury, Jianmin Guo, Xin Zhang, Jackson Ding, Hui Wang, Ken Chang

Abstract:

This article presents a high-density, single-ended non return to zero (NRZ) chiplet I/O implemented with 3 nm CMOS technology on a 2.5-D chip-on-wafer-on-substrate (CoWoS) interposer, accommodating trace lengths up to 2 mm. The design features 216 data lanes, each operating at 32 Gb/s. For the tested 2-mm trace, the channel insertion loss …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1289 – 1298
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3545483
Publisher: IEEE

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