Noise measurement

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A 200 GHz Wideband and Low-Power Direct-Downconversion Receiver Element in 16 nm FinFET Technology

A 200 GHz Wideband and Low-Power Direct-Downconversion Receiver Element in 16 nm FinFET Technology 150 150
Author(s): Ethan Chou, Hesham Beshary, Nima Baniasadi, Ali M. Niknejad

Abstract:

This letter presents a wideband and low-power direct-downconversion 200 GHz receiver element for digital-beamforming applications implemented in 16 nm FinFET technology. Wideband and low integrated receiver noise figure of 9.8 dB across a 21 GHz baseband bandwidth is realized with a differential low-noise amplifier leveraging an active input balun stage, while wideband gain of 29 …

Published in: IEEE Solid-State Circuits Letters
Page(s): 349 – 352
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3626442
Publisher: IEEE

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A “No Gain” Direct-Conversion IQ RF-to-Bits Receiver Without Active Linear Amplification

A “No Gain” Direct-Conversion IQ RF-to-Bits Receiver Without Active Linear Amplification 150 150
Author(s): Jeroen Ponte, Roel Plompen, Emiel Zijlma, Eric A. M. Klumperink, Harijot Singh Bindra, Bram Nauta

Abstract:

This work describes a direct-conversion IQ receiver (RX) that does not utilize any active linear (power) amplification, covering its design considerations, prototype implementation, and measurement verification. Only RLC components, MOS transistor (MOST) switches, and comparators are used, leading to several unique design challenges. Key among these are the fact that …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 17
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3611114
Publisher: IEEE

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A Benchmark of Cryo-CMOS Dynamic Comparators in a 40 nm Bulk CMOS Technology

A Benchmark of Cryo-CMOS Dynamic Comparators in a 40 nm Bulk CMOS Technology 150 150
Author(s): Bram Veraverbeke, Filip Tavernier

Abstract:

All cryo-CMOS quantum-classical control interfaces require an analog-to-digital converter (ADC) bridging the analog qubits and the digital control logic. Dynamic comparators play a crucial role in the precision, speed, and power consumption of these ADCs. Yet, their performance is severely impacted by the cryogenic environment. Therefore, this letter benchmarks, for …

Published in: IEEE Solid-State Circuits Letters
Page(s): 317 – 320
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3618161
Publisher: IEEE

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A 2 pA/ √Hz Input-Referred Noise TIA in 180-nm CMOS With 2.5GHz Bandwidth for Optical Receiver

A 2 pA/ √Hz Input-Referred Noise TIA in 180-nm CMOS With 2.5GHz Bandwidth for Optical Receiver 150 150
Author(s): Yihao Yang, Dan Li, Nan Qi, Binhao Wang

Abstract:

This letter describes an ultra-low-noise, high-speed transimpedance amplifier (TIA) applied to the analog front-end (AFE) circuit of the high-sensitivity optical receiver. A combination of a three-stage amplifier and two positive feedback Miller capacitors is introduced to comprehensively reduce the input-referred noise current (IRNC) of a shunt-feedback TIA (SFTIA) and to …

Published in: IEEE Solid-State Circuits Letters
Page(s): 1 – 1
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3584266
Publisher: IEEE

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A 10 to 40 GHz Reflection-Mode N-Path Filter

A 10 to 40 GHz Reflection-Mode N-Path Filter 150 150
Author(s): Cody J. Ellington, Sandeep Hari, Brian A. Floyd

Abstract:

A bandpass reflection-mode N-path filter (RMNF) with 2-GHz bandwidth and 10 to 40 GHz center-frequency tuning is presented. The design includes a broadband hybrid coupler, N-path reflectors, comprising four-phase passive mixers terminated with third-order in-phase and quadrature-phase active baseband loads, and a broadband clock-generation network. The reflectors realize an in-band open circuit …

Published in: IEEE Solid-State Circuits Letters
Page(s): 169 – 172
Year of Publication: 2025
Electronic ISSN: 2573-9603
DOI: 10.1109/LSSC.2025.3575536
Publisher: IEEE

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A Low-Power Blocker-Tolerant Wideband Receiver With Bias-Tunable Mixer and Effective Switch Resistance Compensation

A Low-Power Blocker-Tolerant Wideband Receiver With Bias-Tunable Mixer and Effective Switch Resistance Compensation 150 150
Author(s): Rundi Wu, Yetong Wang, Ran Hong, Zongle Ma, Kenan Xie, Fanyi Meng, Kaixue Ma, Keping Wang

Abstract:

This article presents a mixer-first blocker-tolerant receiver (RX) with effective switch resistance ( ${R} _{\text {SW}}$ ) compensation and high-Q selectivity. By analyzing the impact of non-ideal 1/N LO duty cycle and effective ${R} _{\text {SW}}$ on mixer-first RX, an effective ${R} _{\text {SW}}$ compensation technique is proposed to mitigate noise figure (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1554 – 1569
Year of Publication: 2025
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3529681
Publisher: IEEE

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