A Digital Signal Generator

IEEE Micro ◽  
1981 ◽  
Vol 1 (4) ◽  
pp. 6-15 ◽  
Author(s):  
Tracy Kinsel ◽  
John Wuorinen
Keyword(s):  
Digital Signal ◽  
Signal Generator

Design and Implementation of Digital Signal Generator Based on LPC2132

2013 ◽  
Vol 303-306 ◽  
pp. 1869-1872
Author(s):  
Zhi Jun Guo ◽  
Huan Mei Yan
Keyword(s):  
Frequency Synthesizer ◽  
Design Method ◽  
Gain Control ◽  
Digital Signal ◽  
Sine Wave ◽  
Signal Generator ◽  
Logic Device ◽  
Digital Frequency ◽  
Complex Programmable Logic Device ◽  
Master Control

A design method of the digital signal generator, based on LPC2132 as the master control chip, is introduced in this paper. The system has used of a chip of the direct digital frequency synthesizer (DDS) and a complex programmable logic device(CPLD) to produce the sine wave, square wave and triangle wave, and has designed circuits of analog signal amplification and gain control. Realized the switch of different signal through the keyboard, it is a new kind of the digital signal source, which has performances including stabilizing waveform, higher precision, adjustable amplitude and frequency on the permitted scope.

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