Departmental Bulletin Paper ΔΣ型変調器における同期現象に関する研究

石間, 泉

This paper discovers synchronization of output signals when output signal of a 2nd-order ΔΣ modulator inputs to another ΔΣ modulator. This synchronization is appeared by initial value of a integrator. The initial value of another ΔΣ modulator inputting signal that is outputted by the ΔΣ modulator effects synchronization. This synchronization phenomenon is appeared only when thefirst ΔΣ modulator is second order. When feedback gains of the each ΔΣ modulator are somewhat different, synchronization phenomenon is observed.Key Words : ΔΣ modulator, synchronization, Initial Value

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