Multiplier is the circuit which is conformed of nonlinear elements and can make two signal multiplied so that it can implement frequency transformation.

相乘器是由非线性元件组成，可以实现两个信号的相乘，完成频率变换的电路。

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In the paper it was studied that the frequency synthesizer and multiplier and the phase modulation circuit of the rubidium atomic frequency standards (RAFS).

本论文重点是研究被动型铷原子频标中的调制电路、频率合成电路和倍频电路。

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A converting circuit was proposed based on frequency-multiplier circuit for linear servo motor and PLC interface.

提出了一种基于倍频电路的直线伺服电机与PLC接口转换电路。

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