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本文介绍一组用D触发器为主加以或非门和异或门反馈控制组成的÷N/N+1频率键控电路,可实用于数字通信、自动控制、频率合成等电子技术方面的频率调制器中。
This article introduces a group of D flip-flops mainly to NOR gate and XOR gate feedback control composed of ÷ N / N +1 frequency keying circuit can be applied to digital communications, automatic control, frequency synthesis and other electronic technology frequency Modulator.