audio frequency circuit的意思|示意

The latch phase circle circuit NE567 functions as phase demodulation of audio frequency signals for realizing decoding output of the control signals to control the downhole motor operations.

应用锁相环集成电路ne567对音频信号的鉴相原理实现对控制信号的译码输出，控制井下仪器马达工作。

Applicable to communication audio frequency, broadcast sound system, meter, electric equipment and automatic equipment and anti-interference needed circuit shielded wire and cable.

通讯音频、广播音响系统、仪表、电子设备及自动化设置、需防干扰线路屏蔽电线电缆。

One-chip computer, logical circuit, audio frequency and video processor, Diode, Triode.

单片机，逻辑电路，音视频处理器，二、三极管。

This circuit can cause the audio source has two frequency.

该电路可引起有两个频率的音频信号源。

Because clocking frequency of sending terminal is changed with times at lower cost and simple circuit, accuracy of receiving end sampled data and audio - data recovery is assured.

在发送端时钟频率随时间变化的情况下，以较低的成本和较简单的电路实现，保证了接收端采样数据及音频数据恢复的准确性。

The experimental results indicate the circuit is credible and the program runs well. The DPLL based on DSP is competent for ultra-audio frequency-tracking.

实验结果证明基于DSP的DPLL完全可以胜任超音频的频率跟踪，系统硬件电路可靠，程序运行良好。