Lab 1: Amplitude Modulator and Demodulator Objective. /Producer (BCL easyPDF 7.00 \(0353\)) : 3 Date: AMPLITUDE MODULATION AND DEMODULATON AIM: To perform the amplitude modulation and demodulation using AM Kit. stream Line Coding Schemes 10.FSK, PSK and DPSK schemes (Simulation) 1. 5. a) Delta modulation b) Adaptive delta Modulation 6. 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. This complete 3-volume lab manual offers hands-on labs for teaching basic analog and digital communication topics such as AM, FM, SNR Concepts, sampling, TDM, and delta-sigma modulation. Figure 5: an FSK generation and demodulation 5. 3 0 obj Theory: 1. 778 333 333 556 556 350 500 889 333 980 389 333 667 778 389 556 60 - D1 FSK - frequency shift keying FSK - FREQUENCY SHIFT KEYING ACHIEVEMENTS: generation and demodulation of a binary FSK signal. Verification of sampling theorem using flat top sampling 3. ST2156 and ST2157. 500 500 500 500 500 500 722 444 444 444 444 444 278 278 278 278 Pulse code modulation and demodulation. 20 MHz CRO 4. Experiment No 8 AIM: Study of Phase Shift Keying. Frequency-shift keying (FSK) is the frequency modulation system in which digital information is transmitted through the discrete frequency change of a carrier wave. $4�%�&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz�������������������������������������������������������������������������� ? 500 778 333 500 444 1000 500 500 333 1000 556 333 889 778 611 778 . BPSK modulation and Demodulation 8. SI^������ ��R]_}C�5�A����qm#6�]�ע%k����-)D�#=h���#� z>� Demodulates an FSK-modulated complex baseband waveform and returns the time-aligned demodulated waveform, the demodulated information bit stream, and measurement results obtained during demodulation. EXTRA MODULES: a second VCO, BIT CLOCK REGEN.Optionally, a /Type /XObject - 4 AIM: - To study Pulse Width Modulation and Demodulation. THEORY: The PWM is also known as pulse duration modulation. The MARK signal endobj Lab Exercises 1. TDM and FDM 9. To study frequency modulation and determine its modulation factor 4. 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. 722 722 722 722 722 722 722 564 722 722 722 722 722 722 556 500 CRO. DPCM Demodulator trainer 3. Do’s & Don’ts in Laboratory. Communication II Lab (EELE 4170) Lab#6 FSK Modulation &Demodulation Objectives: 1- To understand the operation theory of Frequency Shift Keying (FSK) modulation & demodulation. Both modulation and demodulation schemes will be discussed BINARY FSK 930 722 667 722 722 667 611 778 778 389 500 778 667 944 722 778 I� ����a�I�n� �1~����V���R��j���5ګ 250 389 500 500 500 500 275 500 333 760 276 500 675 333 760 500 Study of DPSK generation and detection 7. /Length 9724 The chapter concludes with the characterization of the spectrum of BFSK for various modulation indices. 250 333 500 500 500 500 200 500 333 760 276 500 564 333 760 500 endobj /Filter /DCTDecode The FM output for a square wave looks like Frequency Shift Keying (FSK). �� � w !1AQaq"2�B���� #3R�br� >> 2. /CreationDate (D:20160629001416-07'00') 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. <> 3- To implement the BFSK detector by using PLL. ] 2 mm Banana cable 3. 4 Experiment No.3, Demodulation of AM signals 9 5 Experiment No.4, Frequency modulation 11 6 Experiment No.5, Introduction to phase locked loop 20 7 Experiment No.6, FM Demodulators 31 8 Experiment No.7, Digital Modulation: FSK 34 9 Experiment No.8, Pre -emphasis & De emphasis 36 10 Experiment No.9, Pulse code modulation 39 0 0 0 0 0 0 0 0 0 0 0 0 0 0 778 778 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Frequency Shift Keying Modulation. Sanzhar Askaruly. . 500 500 500 500 500 500 667 444 444 444 444 444 278 278 278 278 500 500 500 500 500 500 500 500 500 500 333 333 570 570 570 500 �4��ց7���. 250 333 420 500 500 833 778 214 333 333 500 675 250 333 250 278 Amplitude modulation and demodulation 3. << 500 556 500 500 500 500 500 549 500 556 556 556 556 500 556 500 2. 400 549 300 300 333 576 523 250 333 300 310 500 750 750 750 500 4.Power supply. 4.Power supply. 333 500 556 444 556 444 333 500 556 278 333 556 278 833 556 500 Study of FSK generation and detection 6. x�ŐAO�0����8y�]׵�1q@b=�dcÌ-�,�oo�29϶������o��������q�=�*�JP1�� \�/S[� 2- To implement the BFSK modulator by VCO. x��\mo��� �a�\Hm��;���8��4��)����V�+���9����!wWK � ��zH���g���_?>m���������OO��o������������ǟ���?�n6w������iu��Mu����^q^3U}������hL�m�y�|r���n�ϟ_��\��?��y���c]+�D͚a��E��*VkSIW+1�H�� W���2V�FTW������fm�����|)mmMh!U-@3)�FW�ٺQ�F�mT�|SU�?��>�y��b����RV����:�N����t" PREREQUISITES: It would be advantageous to have completed some of the Part 1 experiments involving linear modulation and demodulation. /Creator (easyPDF SDK 7 7.0) Lab Manual: Communication Systems Lab (EE-226-F) B R C M CET BAHAL DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING Page 11 EXPERIMENT NO. DCS Kit 2. APPARATUS: -Dual trace CRO, PWM kit, Connecting leads. 500 500 333 389 278 500 500 722 500 500 444 480 200 480 541 778 2 Building Simulink Model of Frequency Modulation and Demodulation The frequency modulator and demodulator structures are as explained below. . 2. PREREQUISITES: it would be advantageous to have completed some of the Part I experiments involving linear modulation and demodulation. To study sampling and reconstruction of Pulse Amplitude modulation system 6. 333 500 500 444 500 444 278 500 500 278 278 444 278 722 500 500 stream >> 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 /Parent 4 0 R /Length 354 endobj /ModDate (D:20160629001416-07'00') Digital Multimeter. However, the M-FSK features of this product differ from the CPFSK features in their mask interfaces and in the demodulator implementations. << 2. Theory: 1. 556 556 444 389 333 556 500 722 500 500 444 394 220 394 520 778 20 MHz CRO 4. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 778 778 Power Supply 3. 2- To implement the BFSK modulator by VCO. ;�[�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�� Study of PSK generation and detection 5. %���� [ 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. stream 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. 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 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. endobj Storage Oscilloscope 4. This application report discusses logic-level implementation of FSK modulator and demodulator using a PLL device HC/HCT4046A. ]��#����j��!4kg�A��+~Y_=m~[��'#��lܰ(JS'Z��Dk�Qmo��ǰv�!�(�������t�%�~���կ�|T���ǝ_�+X��C��B*��{���7X��n��]���k�?�#N�Ό�i[;�{���c+v݅1q��M���XH��Q:�~��]�+���G��K���;o|D�����B��ϭ1�Xmc�?�/�&S3Kӫq����[ܷ��!�����:X�^K��~��|;�v�\gFָ�\Q��=^(�"�j�Oi�)`Z]����CKo�=����x�mpc��6�w�����2� Á��Dӳ��14�ܸQ��@��Y9�Đ5 �k����'�|0���K�S���7ͅ���mZ�dٕ��C�4�r�!v�JӍ��T���� ;>�qC��'��[T0��O��:ר&�č|�`�Gł߁�^����w�]�{"�Ӈ9�rs�H�\,@�Sl�cQ�&�;�Tz�:+3�3R:�D.�d��s�o�����j@`�Q����,'��]vLJ��a�r?.n�wসX",r]d�*;�q��x�e� ACHIEVEMENTS: Generation and demodulation of a binary FSK signal. Note: A separate worksheet has been provided to you in soft-copy form. EC 6512 – Communication Systems Laboratory 7 Department of Electronics and Communication Engineering Varuvan Vadivelan Institute of Technology, Dharmapuri – 636 703. 5.2 No’s of co- axial cables (standard accessories with trainer) 6. 611 722 611 500 556 722 611 833 611 556 556 389 278 389 422 500 /BitsPerComponent 8 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. The FSK generation and demodulation parts of the set-up can be represented by the block diagram in Figure 5 below. This VI attempts to remove carrier and phase offset by … "$"$�� C�� � �" �� Power Supply 3. This article provides a general tutorial on FSK in its many forms. /Name /Im19 ask-modulation-circuit ASK Demodulation Process. BFSK modulation and Demodulation 7. Theory 400 549 300 300 333 576 453 333 333 300 310 500 750 750 750 444 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2. Both modulation and demodulation schemes will be dis cussed Binary FSK Lab Manual: Communication Systems Lab (EE-226-F) B R C M CET BAHAL DEPARTMENT OF ELECTRONICS & COMMUNICATION ENGINEERING Page 11 EXPERIMENT NO. ECE 489 Communications Systems Laboratory.