Steady-state analysis of voltage and current controlled oscillators

Mehrotra, A.; Lu, Suihua; Lee, D.C.; Narayan, A.

doi:10.1109/iccad.2005.1560141

Cited by 6 publications

(8 citation statements)

References 15 publications

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“…For large problems, fast preconditioned iterative methods [1], [6] are employed to solve the linear system in (10). The last column of the Jacobian matrix in (11) requires ∂q/γ f0 , ∂f /γ f0 , and db/dγ f0 .…”

Section: B Finite Difference Methodsmentioning

confidence: 99%

“…In contrast to [1], our formulation is general, as it works with a control voltage b(γ f0 ≡ V ctrl ) or a control current b(γ f0 ≡ I ctrl ) as well as any circuit parameter that affects the oscillation frequency, such as a tank capacitor q x(t), γ f0 ≡ C tank , MOSFET width…”

Section: B Pss Analysis: Conventional Vs Specified Frequencymentioning

confidence: 99%

“…Most existing analysis tools can offer only a brute-force search-based approach, which requires running conventional PSS analyses at a number of control voltage values. A more efficient and elegant solution to this problem is the PSS analysis for voltage and current controlled oscillators [1]. This method treats the control voltage or current as an unknown, while the oscillation frequency is specified as a parameter.…”

Section: Introductionmentioning

confidence: 99%

“…The formulation described in [1] works specifically with a control voltage or current as the frequency tuning parameter. In this paper, a generalized formulation of the PSS analysis for oscillators is presented.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Periodic Steady-State Analysis of Oscillators with a Specified Oscillation Frequency

Vytyaz

Lee²,

Lu³

et al. 2007

2007 IEEE International Symposium on Circuits and Systems (ISCAS)

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Abstract-In this paper a modification of the time-domain periodic steady-state analysis for oscillators is presented. The proposed analysis finds the value of a circuit parameter that results in the circuit oscillating at a desired frequency. This analysis is based on the steady-state analysis for voltage and current controlled oscillators, i.e., replacing the oscillation period by a circuit parameter in the list of unknowns. A generalized formulation that can handle a control voltage or current, as well as any frequency-tuning circuit parameter, such as a tank capacitor or device geometry is developed in this paper.

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Section: B Finite Difference Methodsmentioning

confidence: 99%

Section: B Pss Analysis: Conventional Vs Specified Frequencymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Periodic Steady-State Analysis of Oscillators with a Specified Oscillation Frequency

Vytyaz

Lee²,

Lu³

et al. 2007

2007 IEEE International Symposium on Circuits and Systems (ISCAS)

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“…In prior work [2], [3], a single oscillator parameter is tuned to obtain a desired oscillation frequency. The application of PSS-SF analysis [3] is limited to analyzing oscillators with a single constraint, i.e., a specification for the oscillation frequency.…”

Section: Introductionmentioning

confidence: 99%

Periodic steady-state analysis augmented with design equality constraints

Vytyaz

Hanumolu

Moon

et al. 2008

Proceedings of the Conference on Design, Automation and Test in Europe

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Abstract-A design-oriented periodic steady-state analysis is presented in this paper. The new analysis finds the values of circuit parameters that result in a desired circuit performance specified by a set of equality constraints. This is done by including the design equality constraints and the circuit parameters directly in the steady-state analysis as additional equations and unknowns. A time-domain finite difference method and the numerical implementation for the proposed analysis are described. Several examples demonstrate that the new analysis accurately and efficiently tunes circuit parameters that conform to a wide range of design specifications.

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