A Fully Integrated 490-GHz CMOS Receiver Adopting Dual-Locking Receiver-Based FLL

Choi, Kyung‐Sik; Kim, Keun-Mok; Utomo, Dzuhri Radityo; Lee, In-Young; Lee, Sang-Gug

doi:10.1109/jssc.2022.3159656

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Theoretical Analysis Of Third Harmonic Injection-locked Cros...1

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“…The in-phase and quadrature components of the fundamental (x = 1) and third harmonic (x = 3) oscillator currents can now be derived by inserting ( 8) into (10), inserting the result into (13) and calculating the relevant integrals (c = cos and s = si n ):…”

Section: Theoretical Analysis Of Third Harmonic Injection-locked Cros...mentioning

confidence: 99%

Analysis and Implementation of Harmonic Injection Locking in Cross-Coupled Oscillators Exploiting Inter-Harmonic Translations

Vroede

Reynaert

2022

IEEE Trans. Circuits Syst. I

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This paper proposes a new approach to abovef max power detection, using harmonic injection locking of a cross-coupled oscillator and the resulting change in oscillation amplitude. The paper starts with the development of a theoretical framework for this receiver. Two previous methodologies are combined: analyzing an injection-locked oscillator as an active device in a positive feedback loop with a frequency selective network; and the more recently proposed way of modeling non-linearities by using inter-harmonic translation coefficients. Using this framework, a compact equation for the expected voltage response of the receiver is derived. Finally, the design of a receiver consisting of a 200 GHz cross-coupled oscillator with a 600 GHz folded dipole antenna as its tank inductor is discussed. A Noise Equivalent Power (NEP) of 2.3 pW/ √ Hz is achieved with the proposed receiver.

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Section: Theoretical Analysis Of Third Harmonic Injection-locked Cros...mentioning

confidence: 99%