电子发烧友

The NE564 contains the functional blocks shown in Figure 1. Inaddition to the normal PLL functions

2009-05-19 17:03

集成电路模拟锁相环原理及NE564在实验电路中的应用

2016-01-20 15:40

The NE564 PLL is particularly attractive for FSK demodulation since it contains an internal voltage

2009-05-26 13:35

Harmonic locking is simpler and usually can be achieved by setting the VCO free-running frequency to a multiple of the input frequency and allowing the PLL to lock. However, a limitation of this scheme is that the lock range decreases as s

2009-05-26 13:37

The new demoboard set for the NE/SE564 provides the capabilityfor demonstrating three different

2009-05-19 17:05

is 5V. Input to the 564 is from a radio receiver with an amplitude of 0.5VRMS. Worst case S/N is 10dB. An overall loop damping factor of 0.5

2009-05-26 13:29

In order to obtain a local clock signal in Multiplexed Data Transmission systems, a phase and frequency coherent method of signal extraction is required. A Master-Slave system using the quartz crystal as the primary frequency determining e

2009-05-22 14:59

集成锁相环芯片类型较多，现介绍CC4046(或CD4046)和J691以及NE564（工作频率可达 50MHz）集成锁相环。 一、CC4046集成锁相环芯片 CC4046和J691均为CMOS单片锁相环路，工作频率1MHz，其逻辑结构和

2011-03-15 10:05