FSK MODULATION CIRCUITPROBLEM TO BE SOLVED: To provide a stable output frequency from the head part of data when inputting the data again by inputting a voltage at an almost intermediate level to a PLL in place of binary data when these data are not inputted.YAMASUMI SHINJI...
And the graduation project, in accordance with the different functions of each part of the circuit, the 2FSK modulation and demodulation circuit modular system, each module design small modular circuit parameters different. About modulated signal, there are two commonly used methods, namely direct ...
5、st results is also given .baseband signal go through the modulation circuit whose core is cd4046, we can achieve the success of baseband signals modulation.at the same time, modulation signal go through the module demodulation part with a low pass filter circuit and the voltage comparison cir...
modulation circuit whose core is CD4046, we can achieve the success of baseband signals modulation.At the same time, modulation signal go through the module demodulation part with a low pass filter circuit and the voltage comparison circuit ,it can be demodulated out successfully.This kind of ...
FSK modulation for baseband signal ,and the frequency discrimination method is adopted to transform FSK signal intoASK signal at the receiving end. The detection circuit and low pass filter circuit are used to recover their baseband signal. This kind ofcircuit has the advantage of simple structure...
specific process, ideas of the design and commissioning, the reason of the choosed device,the work principle and actual application effect of the devices used in the design process .at the last of the paper, final test results is also given .baseband signal go through the modulation circuit ...
In the application circuit, a single capacitor forms a single pole low pass filter but more poles can be realized using additional passive networks. FSK Modulation and Demodulation With the MSP430 Microcontroller 5 Power Consumption 5 Power Consumption The FSK concept is designed with low power in ...
;SOLUTION: This circuit detects the rotation direction and the rotation speed of movement between signal points arranged on a plane formed with two axes of in-phase and orthogonal components at the time of orthogonal detection of a carrier signal subjected to quaternary FSK modulation. In this ...
关键词:锁相环;NE564;CD4046;FSK;调制;解调 PAGE 1 2 PAGE 1 Using PLL Chip to Achieve FSK Signal Modulation and Demodulation Circuit Design Abstract:Frequency shift keying (FSK) operation method is simple,easy to implement;In the process of demodulation,need not to restore the local carrier can...
FSK Modulation Waveform 在接收端,可以通过检测频率来恢复数据比特流。 实验步骤 实验仪器准备 1.两个信号发生器AG3381B 2.示波器DS 1054Z 3.多用表 实验操作步骤 4.按照下图所示连接两个信号发生器以及示波器,具体如下: FSK Modulation Circuit Diagram FSK Modulation Circuit Diagram 2.设置信号发生器1,调整以下...