A Novel Band-Stop Filter with Band-Pass, High-Pass, and Low-Pass Negative Group Delay Characteristics

Yuan, Aixia; Fang, Shaojun; Wang, Zhongbao; Zhang, Hongjun

doi:10.1155/2021/3207652

Cited by 3 publications

(3 citation statements)

References 32 publications

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“…To answer such curious questions, simpler and more fundamental circuit theory enabling to understand the different types of NGD function is necessary. An NGD circuit theory on low-pass (LP), high-pass (HP), and bandpass (BP) using NGD elementary functions was introduced [44][45][46][47][48][49][50][51][52][53][54]. Design approaches of LP NGD type passive circuit were proposed [44][45][46][47][48][49][50].…”

Section: Fundamental Types Of Ngd Circuit Topologies Inspired From Fi...mentioning

confidence: 99%

“…An NGD circuit theory on low-pass (LP), high-pass (HP), and bandpass (BP) using NGD elementary functions was introduced [44][45][46][47][48][49][50][51][52][53][54]. Design approaches of LP NGD type passive circuit were proposed [44][45][46][47][48][49][50]. The BP NGD type approaches notably with RF and microwave topologies [27-38, 44-47, 51] are the most expanded NGD functions.…”

Section: Fundamental Types Of Ngd Circuit Topologies Inspired From Fi...mentioning

confidence: 99%

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Bandpass-Type NGD Design Engineering and Uncertainty Analysis of RLC-Series Resonator Based Passive Cell

Boussougou¹,

Sambatra²,

Jaomiary³

et al. 2022

PIER C

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This paper investigates the design method, characterization, and innovative uncertainty analysis of bandpass (BP) type negative group delay (NGD) passive cell. The lumped passive topology under study consists of a resistor and a passive RLC-series network. The voltage transfer function (VTF) based circuit theory introducing the BP NGD specification analytical expressions is established in function of the R, L, and C lumped component parameters. The BP NGD performance is evaluated by figure of merit (FOM) formula. To demonstrate the BP NGD function, the design method was applied to a proof-of-concept (POC) operating at 125-kHz RFID standard center frequency. The BP NGD theory is validated by both AC simulation and measurement of POC and discrete component-based circuit prototype. Experimental BP NGD results in good agreement with calculation and simulation are obtained with NGD value of −36.77 µs, 8% NGD bandwidth, and an attenuation lower than −9.6 dB. Innovative expressions of BP NGD parameter uncertainties are established versus the POC circuit parameters. The BP NGD specification variations are interpreted with respect to the influence of constituting component uncertainties via comparison between the established NGD uncertainty theory and co-simulated sensitivity analyses.

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Section: Fundamental Types Of Ngd Circuit Topologies Inspired From Fi...mentioning

confidence: 99%

Section: Fundamental Types Of Ngd Circuit Topologies Inspired From Fi...mentioning

confidence: 99%

Bandpass-Type NGD Design Engineering and Uncertainty Analysis of RLC-Series Resonator Based Passive Cell

Boussougou¹,

Sambatra²,

Jaomiary³

et al. 2022

PIER C

View full text Add to dashboard Cite

show abstract

“…The circuits are implemented with fully distributed topologies without lumped elements. Despite the progressive research interest (Ahn et al., 2009; Ravelo, 2016; Vauche et al., 2016; Wan, Wang, et al., 2019; Wan, Wu, et al., 2019; Wan, Li, & Ravelo, 2020; Wan, Liu et al., 2020; Yuan, Fang, Wang, and Liu, 2021; Yuan, Fang, Wang, Liu and Zhang et al., 2021) on NGD circuits, few research studies are available on the BP NGD analysis in the TD. Thus, a lot of curious questions from RF and microwave design and test engineers remain open about the interpretation of BP NGD effect.…”

Section: Introductionmentioning

confidence: 99%

Measurement Characterization of Band‐Pass NGD Time Domain of a 101O‐Topology Passive Circuit

Zhou

et al. 2022

Radio Science

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To characterize the radio frequency (RF) and microwave communication functions, challenging time-domain (TD) tests (Couraux et al., 2018) need to be developed. Several TD characterization techniques were deployed for familiar devices constituting the communication systems (Couraux et al., 2018;Valenta et al., 2011). Nonetheless, further research effort is necessary for the TD test case of less familiar functions for the electronic design and test engineers.Nowadays, suitable TD measurements in function of the application environments become a breakthrough for RF and microwave test research engineers. Some examples of familiar electronic devices can be cited. To characterize a high-voltage channel at 5.8 GHz, an innovative measurement technique was proposed (Couraux et al., 2018). A real-time impedance characterization was introduced for radio frequency identification communication devices (Couraux et al., 2018). For the assessment of RF exposure at a 5G radio station and thermal analysis, innovative averaging time measurement techniques were developed (Foster et al., 2018;Thors et al., 2017). With various cases of the pulse signal event, transient RF measurements were used for agile supply modulator (Prakash et al., 2020), over-head transmission line (TL) with integrated field sensors (Hai et al., 2019) and power detector RF circuits (Ildefonso et al., 2018;Lee et al., 2010). Behind the innovation in terms of measurement, the deployment of instrumentation enabling to generate appropriated RF and microwave pulse signals is an important task. Some innovative investigations were performed in (Bourdel et al., 2010;Vauche et al., 2017) to generate short-pulse duration signals.The pulse signal generation is also a key point for the TD measurement to analyze unfamiliar functions such as the negative group delay (NGD) RF and microwave circuits. The concept of low-pass (LP) and band-pass (BP) NGD functions was initiated in (Ravelo, 2014) for the basic understanding by means of analogy with the classical filter function. The various NGD types (Ravelo, 2014) can be distinguished with the frequency band position where the group delay (GD) is negative. The NGD function meaning can be understood through its natural application to equalize the positive GD (Ravelo et al., 2016). In other words, the NGD function can be expected to solve the electronic communication system imperfections due to the global delay (Kang & Chen., 2007) and GD undesirable effects (Groenewold, 2007;Myoung et al., 2007).

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Pre-Detection Sensing With Multistage Low-Pass Type Negative Group Delay Circuit

et al. 2022

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A Novel Band-Stop Filter with Band-Pass, High-Pass, and Low-Pass Negative Group Delay Characteristics

Cited by 3 publications

References 32 publications

Bandpass-Type NGD Design Engineering and Uncertainty Analysis of RLC-Series Resonator Based Passive Cell

Bandpass-Type NGD Design Engineering and Uncertainty Analysis of RLC-Series Resonator Based Passive Cell

Measurement Characterization of Band‐Pass NGD Time Domain of a 101O‐Topology Passive Circuit

Pre-Detection Sensing With Multistage Low-Pass Type Negative Group Delay Circuit

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