fsk modulation and demodulation lab manual

In the first model, you are provided a FM structure that is very similar to the theoretical background of this experiment. Frequency Shift Keying Modulation. The four basic experiments cover introduction to the laboratory equipment, simulation of communication systems using MATLAB, time- and frequency-domain representation of signals, and processing of speech signals. endobj The HC/HCT4046A, PLL with VCO is a high-speed CMOS IC designed for use in general-purpose PLL applications, including frequency modulation, demodulation, discrimination, synthesis, and multiplication. . To understand the theoretical foundations of Analog Communications as well as of Double-Side-Band Amplitude Modulation and Demodulation (DSB-AM) To design the Simulink model of the DSB-AM to analyze each signal in time and frequency domains using time scope and spectrum analyzer Experiment No 8 AIM: Study of Phase Shift Keying. /ProcSet [/PDF /Text /ImageB /ImageC] >> <> Experiment 13: FSK - Frequency Shift Keying. x�ŐAO�0����8y�]׵�1q@b=�dcÌ-�,�oo�29϶������o��������q�=�*�JP1�� \�/S[� /Type /XObject 500 500 500 500 500 500 500 500 500 500 333 333 675 675 675 500 Power Supply 3. 333 500 500 444 500 444 278 500 500 278 278 444 278 722 500 500 Lab Manual: Communication Systems Lab (EE-226-F) B R C M CET BAHAL DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING Page 11 EXPERIMENT NO. 2. This article pro vides a general tutorial on FSK in its many forms. /ModDate (D:20160629001416-07'00') 400 549 300 300 333 576 523 250 333 300 310 500 750 750 750 500 3- To implement the BFSK detector by using PLL. ECE 489 Communications Systems Laboratory. This application report discusses logic-level implementation of FSK modulator and demodulator using a PLL device HC/HCT4046A. APPRATUS: 1. 556 556 444 389 333 556 500 722 500 500 444 394 220 394 520 778 444 444 444 444 444 444 667 444 444 444 444 444 278 278 278 278 Pulse code modulation and demodulation. Anderson and J. Salz. %���� CRO. ST2156 and ST2157. – CMRIT 5 02 FREQUENCY SHIFT KEYING (MODULATION AND DEMODULATION) AIM: To design and study the working of FSK modulation and demodulation with the help of a suitable circuit. DPCM Modulator trainer 2. To study amplitude demodulation by linear diode detector 3. 722 722 722 722 722 722 1000 722 667 667 667 667 389 389 389 389 500 778 333 500 500 1000 500 500 333 1000 556 333 1000 778 667 778 The Waveforms, Definition and Basic Concepts of each digital modulation Techniques are discussed here. . I� ����a�I�n� �1~����V���R��j���5ګ Frequency-shift keying (FSK) is the frequency modulation system in which digital information is transmitted through the discrete frequency change of a carrier wave. "$"$�� C�� � �" �� %PDF-1.5 . 778 333 333 500 500 350 500 1000 333 1000 389 333 722 778 444 722 61 250 389 500 500 500 500 275 500 333 760 276 500 675 333 760 500 Note: The m-file uses the function cumsum of MatLab for FM modulation. Line Coding Schemes 10.FSK, PSK and DPSK schemes (Simulation) Study of DPSK generation and detection 7. PSK MODULATION & DEMODULATION Aim: To study the Modulation and Demodulation Techniques of PSK Equipment Required: 1. This VI attempts to remove carrier and phase offset by … Ravi Kumar Asst. 920 611 611 667 722 611 611 722 722 333 444 667 556 833 667 722 You will find here the basic difference between digital modulation and analog modulation. To study and perform Amplitude Modulation and Demodulation. 4.Power supply. Lab 1: Amplitude Modulator and Demodulator Objective. PSK MODULATION & DEMODULATION Aim: To study the Modulation and Demodulation Techniques of PSK Equipment Required: 1. 1 0 obj 5. a) Delta modulation b) Adaptive delta Modulation 6. ACHIEVEMENTS: Generation and demodulation of a binary FSK signal. 3. The Emona DATEx Add-on Board combines with the NI ELVIS platform, providing a foundation to assist the student in visualizing and better understanding the concepts. Power Supply 3. 250 333 555 500 500 1000 833 278 333 333 500 570 250 333 250 278 >> 611 778 722 556 667 722 722 1000 722 722 667 333 278 333 581 500 Cite As Jakir Hussain G … 611 611 611 611 611 611 889 667 611 611 611 611 333 333 333 333 250 333 420 500 500 833 778 214 333 333 500 675 250 333 250 278 << DCS Kit 2. Create FSK modulator and demodulator System objects™ with modulation order 8 and 100 Hz frequency separation. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Patch cords Theory: In the PSK modulation or phase shift keying, for all the ‘one’ to ‘zero’ transitions of the modulating data, the modulated output switches between the in phase and out of phase components of These may exist at TRUNKS - check. TDM and FDM 9. ��67wh�ն����l?��nֿ����m;��"���@F����`��"��5���u�o����E7O1�Q��k�߼jE�#�j��c�-0� (�9� The m-file pre6_1.m is designed to show the frequency variation more clearly in the time domain. Lab 2: Pulse Code Modulation (PCM) Objective The objective of this lab is to get familiarized with Pulse Code Modulation. 250 333 500 500 500 500 200 500 333 760 276 500 564 333 760 500 2. PREREQUISITES: It would be advantageous to have completed some of the Part 1 experiments involving linear modulation and demodulation. 4 0 obj /ColorSpace /DeviceRGB BFSK modulation and Demodulation 7. 60 - D1 FSK - frequency shift keying FSK - FREQUENCY SHIFT KEYING ACHIEVEMENTS: generation and demodulation of a binary FSK signal. 722 722 722 722 722 722 889 667 611 611 611 611 333 333 333 333 : 3 Date: AMPLITUDE MODULATION AND DEMODULATON AIM: To perform the amplitude modulation and demodulation using AM Kit. Sanzhar Askaruly. LESSON 978: ASK MODULATION IntroductionThe aim of this laboratory is to describe the ASK (Amplitude Shift Keying) modulation and demodulation. Theory /Length 354 2. /Length 9724 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 0 obj [ %���� The FM output for a square wave looks like Frequency Shift Keying (FSK). The FSK generation and demodulation parts of the set-up can be represented by the block diagram in Figure 5 below. . CRO Probes 5. . . 2 mm Banana cable 3. 722 667 722 722 722 722 722 675 722 722 722 722 722 556 611 500 To study sampling and reconstruction of Pulse Amplitude modulation system 6. <>>> Baseband and Passband Simulation For a given modulation technique, two ways to simulate modulation techniques are called baseband and passband . /Type /Page stream PREREQUISITES: it would be advantageous to have completed some of the Part I experiments involving linear modulation and demodulation. 8 0 obj 66 - D1 FSK - frequency shift keying TT222...111 signals for demodulation signals for demodulation The demodulators to be examined will require FSK signals as inputs. 921 722 667 667 722 611 556 722 722 333 389 722 611 889 722 722 endobj Microwave and Digital communication Lab 9 Expt No: 2 DIFFERENTIAL PULSE CODE MODULATION AND DEMODULATION AIM: To Study & understand the operation of the DPCM APPARATUS: 1. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 778 778 MT Demodulate FSK VI. Both modulation and demodulation schemes will be dis cussed Binary FSK The technology is used in communication systems such as amateur radio, caller ID, and urgent situation broadcasts. << CRO. BPSK modulation and Demodulation 8. For a suitable FSK test signal you could use the model of Figure 7. 500 500 500 500 500 500 500 549 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 549 500 500 500 500 500 444 500 444 /BitsPerComponent 8 To study frequency modulation and determine its modulation factor 4. APPRATUS: 1. Digital Multimeter. /Filter /FlateDecode ;�[�dv�5�ƞ!5�h�Xؚj�z���K6�$R���T$(%�H!���RO�`�Iӗ�r6�#����wQ���j�2 �RH������8�(& �2E\�,uy����������9�3��3`"F!���ҡu�p4Y���A0�0��w|��m���)��=� ^��G�Ν��������t��pҞ���j=������.��d>�k��7����ӧ���7B�� The chapter concludes with the characterization of the spectrum of BFSK for various modulation indices. Both modulation and demodulation schemes will be dis cussed Binary FSK 400 549 300 300 333 576 453 333 333 300 310 500 750 750 750 444 . APPARATUS: -Dual trace CRO, PWM kit, Connecting leads. 500 500 500 500 500 500 667 444 444 444 444 444 278 278 278 278 DPCM Demodulator trainer 3. . <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Prof MIST MIST, Hyderabad – ECE Department Page 7 EXPERIMENT – 1 4.1 Amplitude modulation and demodulation 4.1.1 Aim: To study the function of Amplitude Modulation & Demodulation (under Advanced Communication Laboratory Manual - 06ECL67 Department of Telecommunication Engg. The HC/HCT4046A, PLL with VCO is a high-speed CMOS IC designed for use in general-purpose PLL applications, including frequency modulation, demodulation, discrimination, synthesis, and multiplication. - 4 AIM: - To study Pulse Width Modulation and Demodulation. Frequency modulation and demodulation 4. Lab Manual: Communication Systems Lab (EE-226-F) B R C M CET BAHAL DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING Page 11 EXPERIMENT NO. endobj endobj . If not, then you will need to generate your own. 20 MHz CRO 4. Cumsum models the integration operation for a digital signal, which means that the 19 0 obj fskMod = comm.FSKModulator(M,freqSep); fskDemod = comm.FSKDemodulator(M,freqSep); Create an additive white Gaussian noise channel, where the noise is specified as a signal-to-noise ratio. /Height 135 /Contents 17 0 R Frequency modulation and demodulation 4. EXTRA MODULES: a second VCO, BIT CLOCK REGEN.Optionally, a ] To study Pulse Amplitude Modulation a. using switching method b. by sample and hold circuit 7. BFSK modulation and Demodulation 7. Note: A separate worksheet has been provided to you in soft-copy form. 2 0 obj Lab Exercises 1. endobj This article pro vides a general tutorial on FSK in its many forms. Prof. & Roopalakshmi Asst. endobj 2 0 obj FSK Modulation The Low-pass filter module is used to pick out one of the FSK signal's two sinewaves and the RECTIFIER and BASEBAND LPF combination form the envelope detector to complete the FSK signal's demodulation. 500 500 389 389 278 500 444 667 444 444 389 400 275 400 541 778 No. [ ask-modulation-circuit ASK Demodulation Process. 2. Study of PSK generation and detection 5. Verification of sampling theorem using flat top sampling 3. Communication II Lab (EELE 4170) Lab#6 FSK Modulation &Demodulation Objectives: 1- To understand the operation theory of Frequency Shift Keying (FSK) modulation & demodulation. 930 722 667 722 722 667 611 778 778 389 500 778 667 944 722 778 - 4 AIM: - To study Pulse Width Modulation and Demodulation. In the chapter, the spectral density of BFSK is evaluated for arbitrary modulation indices based on the work of R.R. Do’s & Don’ts in Laboratory. DCS Kit 2. 778 333 333 556 556 350 500 889 333 980 389 333 667 778 389 556 2. 14 0 obj Figure 5: an FSK generation and demodulation 5. This article provides a general tutorial on FSK in its many forms. In this lab, you will learn about practical frequency demodulation by using a software-implemented FM receiver that can receive and demodulate FM radio broadcast signals. And it is defined as, whatever the modulated signal received from the channel at the receiver side by implementing the proper demodulated techniques to recover/reproduce the original input signal at the output stage of the receiver. FSK: Signals and Demodulation Frequency shift keying (FSK) is the most common form of digital modula tion in the high -frequency radio spec trum, and has important applications in telephone circuits.

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