Fig. 2 | Microsystems & Nanoengineering

Fig. 2

From: Synchronization bandwidth enhancement induced by a parametrically excited oscillator

Fig. 2

Unidirectional synchronous characteristics. With Vac = 550 mV for parametric excitation and Vac = 335 mV for direct excitation, the self-sustained oscillation is locked at an amplitude of 20.4 mV. The perturbation strength is maintained at 10 mV. a Parametric excitation. b Direct excitation. c–e Spectral response of the resonator in three states during synchronization (I before synchronization, II synchronized, III synchronization loss). The perturbation frequency is swept from 60 kHz to 61 kHz

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