100 Gbit/s PAM-4 Linear Burst-Mode Transimpedance Amplifier for Upstream Flexible Passive Optical Networks

Coudyzer, Gertjan; Verplaetse, Michiel; Lombergen, Borre Van; Borkowski, Robert; Gurne, Thibaut; Straub, Michael; Lefevre, Yannick; Ossieur, Peter; Bonk, R.; Coomans, Werner; Maes, Jochen; Yin, Xin

doi:10.1109/jlt.2023.3262319

Cited by 2 publications

(1 citation statement)

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“…Op-amps have become one of the most common electronic devices in the field of analog and control integrated circuits [ 1 , 2 , 3 ]. At the front end of the signal transmission link, the op-amp can sense and amplify the function of the input signal [ 4 , 5 , 6 , 7 ]. At the end of the signal transmission link, the op-amp enhances the drive capability of the system and performs impedance conversion.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Susceptibility Analysis of the Operational Amplifier to Conducted EMI Injected through the Power Supply Port

Huang,

Li,

Wei

et al. 2024

Micromachines

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Operational amplifiers (op-amps) are widely used in circuit systems. The increasing complexity of the power supply network has led to the susceptibility of the power supply port to electromagnetic interference (EMI) in circuit systems. Therefore, it is necessary to investigate the electromagnetic susceptibility (EMS) of op-amps at the power supply port. In this paper, we assessed the effect of EMI on the operational performance of op-amps through the power supply port by a bulk current injection (BCI) method. Firstly, we conducted the continuous sine wave into the power supply port by a current injection probe and measured the change in the offset voltage under EMI. Secondly, we proposed a new method of conducted susceptibility and obtained the susceptibility threshold regularities of the op-amps at the power supply port under the interference of different waveform signals. Our study provided conclusive evidence that EMI reduced the reliability of the op-amp by affecting the offset voltage of op-amps and demonstrated that the sensitivity type of op-amps was peak-sensitive at the power supply port. This study contributed to a deep understanding of the EMS mechanism and guided the design of electromagnetic compatibility (EMC) of op-amps.

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