PPT-Pulse Width Modulation

A Student Presentation By Wayne Maxwell Martin Cacan Christopher Haile Presentation Roadmap Introduction and Background Applicable Definitions Pulse Width Modulation Duty Cycle AdvantagesDisadvantages. 0 BASIC TECHNIQUE This application note describes a technique for creating an analog to digital converter using a microcontroller with other low cost components Many applications do not require the speed associated with a dedicated hardware AD conver Common means of modulating data in digital communication Key advantage is that I can send mu ltiple signals using Time Division Multiplexing There are several pulse modulation techniques Pulse Amplitude Modulation Pulse Width Modulation Pulse Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. Section 6.6. DSB/SC-AM . Modulation (Review). Frequency Shift . Property (Review). Frequency Spectrum of DSB/SC-AM . Signal (Review). Carrier Signal for Amplitude Modulation. Pulse Amplitude Modulation. By:. Zak Ahmad. Phuc Dao. Joel Toussaint. Outline. Introduction. PWM Definitions. Generation. Types. PWM on the HCS. 12. Applications. 2. Presented by Zak Ahmad. Introduction. P. ulse . W. idth . M. odulation (PWM) is a technique for delivering partial power to a load via digital means.. Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. Modulation: embedding an information-bearing signal into a second signal. e.g. . purposes :. locate the signal on the right band of the spectrum. multiplexing : simultaneous transmission of more than . Wayne Maxwell. Martin Cacan. Christopher . Haile. Presentation Roadmap. Introduction and Background. Applicable Definitions. Pulse Width Modulation. Duty Cycle. Advantages/Disadvantages. PWM Types. Methods of PWM Generation. Analogue to Digital Conversion. Quantizing. Encoding. Pulse Code Modulation. DEFINITION: . Pulse code modulation (PCM) is essentially analog-to-digital conversion of a special type where the . information . Code division multiple access Steps in CDMA Modulation. CDMA is a spread spectrum multiple access technique. https://store.theartofservice.com/the-modulation-toolkit.html. Code division multiple access Steps in CDMA Modulation. . ). Data Transmission And Digital Communication. Lecture 5– 2019/1440. By: Elham Sunbu. OUTLINE. Sampling.. Pulse Amplitude Modulation .. Analogue to Digital conversion.. Sampling (PCM).. Pulse Code Modulation Advantages.. EE305 Power Electronics. Voltage control in inverters-Types. Internal Control of the Inverter (PWM for voltage and harmonic control. External control of the AC output voltage. External control of the DC input voltage. Prof. Brian L. Evans. Dept. of Electrical and Computer Engineering. The University of Texas at Austin. 15 - . 2. Introduction. Digital Pulse Amplitude Modulation (PAM). Modulates digital information (symbols) onto amplitude of pulse. GRE-90-23 and GRE-90-35. Rationale for introducing a new pulse modulations. Frame . length. : 4.16. ms. = 217Hz . Slot length: 577µs. This corresponds to PM (217Hz, 577µs)!. Conclusion:. PM1 (217Hz, 577µs) is suitable to emulate 2G..