{"id":2620,"date":"2025-04-22T19:18:55","date_gmt":"2025-04-22T19:18:55","guid":{"rendered":"https:\/\/skygyan.tech\/?p=2620"},"modified":"2025-04-22T19:18:55","modified_gmt":"2025-04-22T19:18:55","slug":"lab-manual-experiment-no-1-amplitude-modulation-am-demodulation","status":"publish","type":"post","link":"https:\/\/skygyan.tech\/index.php\/2025\/04\/22\/lab-manual-experiment-no-1-amplitude-modulation-am-demodulation\/","title":{"rendered":"Lab Manual: Experiment No.1:-Amplitude Modulation (AM) &amp; Demodulation"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>Aim (\u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f)<\/strong><\/h3>\n\n\n\n<p>\u0907\u0938 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u093e \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f Amplitude Modulation (AM) \u0915\u094b \u0938\u092e\u091d\u0928\u093e, \u0909\u0938\u0915\u0940 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e \u092e\u0947\u0902 \u0915\u0930\u0928\u093e \u0914\u0930 CRO \u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0938\u0947 Modulated Waveform \u0915\u094b \u0926\u0947\u0916\u0928\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Apparatus Required (\u0909\u092a\u0915\u0930\u0923)<\/strong><\/h3>\n\n\n\n<p>\u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u094b \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u090f\u0915 Function Generator, AM Modulator Kit, Cathode Ray Oscilloscope (CRO) \u0914\u0930 \u0915\u0941\u091b \u0906\u0935\u0936\u094d\u092f\u0915 Connecting Wires \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Theory (\u0938\u093f\u0926\u094d\u0927\u093e\u0902\u0924)<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"780\" height=\"226\" src=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/1.jpg\" alt=\"\" class=\"wp-image-2621\" srcset=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/1.jpg 780w, https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/1-300x87.jpg 300w, https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/1-768x223.jpg 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Block Diagram<\/strong><\/h3>\n\n\n\n<p>\u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u0947 \u0932\u093f\u090f Block Diagram \u0928\u093f\u092e\u094d\u0928 \u092a\u094d\u0930\u0915\u093e\u0930 \u0939\u094b\u0924\u093e \u0939\u0948 \u2014 \u091c\u093f\u0938\u092e\u0947\u0902 Message Signal \u0915\u094b Modulator Circuit \u092e\u0947\u0902 \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948, \u0914\u0930 Modulated Output \u0915\u094b CRO \u092a\u0930 Observe \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"102\" src=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/2.jpg\" alt=\"\" class=\"wp-image-2622\" srcset=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/2.jpg 320w, https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/2-300x96.jpg 300w\" sizes=\"auto, (max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<pre class=\"wp-block-preformatted\"><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Procedure (\u092a\u094d\u0930\u092f\u094b\u0917 \u0935\u093f\u0927\u093f)<\/strong><\/h3>\n\n\n\n<p>\u0938\u092c\u0938\u0947 \u092a\u0939\u0932\u0947 Function Generator \u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0938\u0947 \u090f\u0915 \u0928\u093f\u092e\u094d\u0928 \u0906\u0935\u0943\u0924\u094d\u0924\u093f \u0915\u093e Message Signal (\u091c\u0948\u0938\u0947 1 kHz \u0915\u093e Sine Wave) \u092c\u0928\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0914\u0930 \u0907\u0938\u0947 Modulator Circuit \u092e\u0947\u0902 Input \u0915\u0947 \u0930\u0942\u092a \u092e\u0947\u0902 \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u0907\u0938\u0915\u0947 \u092c\u093e\u0926 Carrier Signal, \u091c\u093f\u0938\u0915\u0940 \u0906\u0935\u0943\u0924\u094d\u0924\u093f \u0938\u093e\u092e\u093e\u0928\u094d\u092f\u0924\u0903 100 kHz \u0915\u0947 \u0906\u0938\u092a\u093e\u0938 \u0939\u094b\u0924\u0940 \u0939\u0948, \u0926\u0942\u0938\u0930\u0947 Input \u0938\u0947 \u0926\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 Modulator Circuit \u0926\u094b\u0928\u094b\u0902 signals \u0915\u094b \u092e\u093f\u0932\u093e\u0915\u0930 Output \u0926\u0947\u0924\u093e \u0939\u0948, \u091c\u093f\u0938\u0947 CRO \u092a\u0930 Observe \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 Carrier \u0914\u0930 Message Amplitude \u0915\u094b \u0927\u0940\u0930\u0947-\u0927\u0940\u0930\u0947 \u092c\u0922\u093c\u093e\u092f\u093e \u092f\u093e \u0918\u091f\u093e\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948 \u0924\u093e\u0915\u093f \u092f\u0939 \u0926\u0947\u0916\u093e \u091c\u093e \u0938\u0915\u0947 \u0915\u093f Modulated Signal \u092a\u0930 \u0907\u0938\u0915\u093e \u0915\u094d\u092f\u093e \u092a\u094d\u0930\u092d\u093e\u0935 \u092a\u0921\u093c\u0924\u093e \u0939\u0948\u0964 \u0905\u0932\u0917-\u0905\u0932\u0917 Modulation Index \u0915\u0947 \u0932\u093f\u090f waveform \u0915\u094b \u0927\u094d\u092f\u093e\u0928 \u0938\u0947 \u0926\u0947\u0916\u093e \u091c\u093e\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Observations<\/strong><\/h3>\n\n\n\n<p>\u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u0947 \u0926\u094c\u0930\u093e\u0928 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0906\u0902\u0915\u0921\u093c\u094b\u0902 \u0915\u094b \u090f\u0915 Table \u092e\u0947\u0902 \u0932\u093f\u0916\u093e \u091c\u093e\u092f\u0947\u0917\u093e, \u091c\u093f\u0938\u092e\u0947\u0902 Message Amplitude, Carrier Amplitude, Modulation Index \u0914\u0930 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 Waveform \u0915\u093e \u0935\u0930\u094d\u0923\u0928 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Sr No<\/td><td>Signal<\/td><td>Amplitude<\/td><td>Frequency<\/td><\/tr><tr><td>1<\/td><td>Message Signal<\/td><td><\/td><td><\/td><\/tr><tr><td>2<\/td><td>Carrier Signal<\/td><td><\/td><td><\/td><\/tr><tr><td>3<\/td><td>Demodulated signal<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Waveform<\/strong><\/h3>\n\n\n\n<p>CRO \u092a\u0930 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u0924\u0940\u0928 signals \u0926\u093f\u0916\u093e\u0908 \u0926\u0947\u0924\u0947 \u0939\u0948\u0902 \u2014 \u090f\u0915 pure Carrier Signal, \u0926\u0942\u0938\u0930\u093e Message Signal \u0914\u0930 \u0924\u0940\u0938\u0930\u093e Modulated Signal\u0964 \u0907\u0928 waveforms \u0915\u0940 \u0924\u0941\u0932\u0928\u093e \u0915\u0930\u0915\u0947 \u092f\u0939 \u0938\u094d\u092a\u0937\u094d\u091f \u0915\u093f\u092f\u093e \u091c\u093e \u0938\u0915\u0924\u093e \u0939\u0948 \u0915\u093f modulation \u0915\u0947 \u092c\u093e\u0926 signal \u0915\u0940 shape \u092e\u0947\u0902 \u0915\u0948\u0938\u0947 \u092a\u0930\u093f\u0935\u0930\u094d\u0924\u0928 \u0906\u0924\u093e \u0939\u0948\u0964<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"574\" height=\"406\" src=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/3.jpg\" alt=\"\" class=\"wp-image-2623\" srcset=\"https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/3.jpg 574w, https:\/\/skygyan.tech\/wp-content\/uploads\/2025\/04\/3-300x212.jpg 300w\" sizes=\"auto, (max-width: 574px) 100vw, 574px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Result (\u092a\u0930\u093f\u0923\u093e\u092e)<\/strong><\/h3>\n\n\n\n<p>\u092a\u094d\u0930\u092f\u094b\u0917 \u0938\u092b\u0932\u0924\u093e\u092a\u0942\u0930\u094d\u0935\u0915 \u0938\u092e\u094d\u092a\u0928\u094d\u0928 \u0939\u0941\u0906\u0964 \u0939\u092e\u0928\u0947 \u0926\u0947\u0916\u093e \u0915\u093f \u091c\u0948\u0938\u0947-\u091c\u0948\u0938\u0947 Modulation Index \u0915\u094b \u092c\u0926\u0932\u093e \u0917\u092f\u093e, \u0935\u0948\u0938\u0947-\u0935\u0948\u0938\u0947 output waveform \u092a\u0930 \u0909\u0938\u0915\u093e \u0905\u0938\u0930 \u0938\u094d\u092a\u0937\u094d\u091f \u0926\u093f\u0916\u093e\u0908 \u0926\u093f\u092f\u093e\u0964 AM signal \u0915\u094b \u0905\u091a\u094d\u091b\u0940 \u0924\u0930\u0939 \u0938\u0947 \u092a\u094d\u0930\u093e\u092a\u094d\u0924 \u0915\u093f\u092f\u093e \u0917\u092f\u093e\u0964<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Viva Questions (\u092e\u094c\u0916\u093f\u0915 \u092a\u0930\u0940\u0915\u094d\u0937\u093e \u0915\u0947 \u092a\u094d\u0930\u0936\u094d\u0928)<\/strong><\/h3>\n\n\n\n<p>\u092a\u094d\u0930\u0936\u093f\u0915\u094d\u0937\u0923 \u0915\u0947 \u092c\u093e\u0926 \u091b\u093e\u0924\u094d\u0930\u094b\u0902 \u0938\u0947 \u092f\u0939 \u0905\u092a\u0947\u0915\u094d\u0937\u093e \u0915\u0940 \u091c\u093e\u0924\u0940 \u0939\u0948 \u0915\u093f \u0935\u0947 \u0928\u093f\u092e\u094d\u0928\u0932\u093f\u0916\u093f\u0924 \u092a\u094d\u0930\u0936\u094d\u0928\u094b\u0902 \u0915\u093e \u0909\u0924\u094d\u0924\u0930 \u0926\u0947 \u0938\u0915\u0947\u0902 \u2014<br>Amplitude Modulation \u0915\u094d\u092f\u093e \u0939\u0948?<br>Modulation Index \u0915\u094b \u0915\u0948\u0938\u0947 \u092a\u0930\u093f\u092d\u093e\u0937\u093f\u0924 \u0915\u093f\u092f\u093e \u091c\u093e\u0924\u093e \u0939\u0948?<br>\u0905\u0917\u0930 Modulation Index \u090f\u0915 \u0938\u0947 \u0905\u0927\u093f\u0915 \u0939\u094b \u091c\u093e\u090f \u0924\u094b \u0915\u094d\u092f\u093e \u0939\u094b\u0924\u093e \u0939\u0948?<br>Carrier Wave \u0915\u0940 \u0906\u0935\u0936\u094d\u092f\u0915\u0924\u093e \u0915\u094d\u092f\u094b\u0902 \u0939\u094b\u0924\u0940 \u0939\u0948?<br>AM \u0914\u0930 FM \u092e\u0947\u0902 \u0915\u094d\u092f\u093e \u0905\u0902\u0924\u0930 \u0939\u094b\u0924\u093e \u0939\u0948?<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusion (\u0928\u093f\u0937\u094d\u0915\u0930\u094d\u0937)<\/strong><\/h3>\n\n\n\n<p>\u0907\u0938 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u0947 \u092e\u093e\u0927\u094d\u092f\u092e \u0938\u0947 \u0939\u092e\u0928\u0947 Amplitude Modulation \u0915\u0940 basic theory \u0915\u094b \u0928 \u0915\u0947\u0935\u0932 \u0938\u092e\u091d\u093e \u092c\u0932\u094d\u0915\u093f \u0907\u0938\u0947 practically \u0915\u0930\u0915\u0947 \u0926\u0947\u0916\u093e \u092d\u0940\u0964 \u0939\u092e\u0928\u0947 \u092f\u0939 \u0938\u0940\u0916\u093e \u0915\u093f \u0915\u0948\u0938\u0947 \u090f\u0915 signal \u0915\u0940 amplitude \u0915\u094b vary \u0915\u0930\u0915\u0947 \u0939\u092e \u0909\u0938\u092e\u0947\u0902 \u0938\u0942\u091a\u0928\u093e \u091c\u094b\u0921\u093c \u0938\u0915\u0924\u0947 \u0939\u0948\u0902, \u0914\u0930 \u092f\u0939 communication systems \u092e\u0947\u0902 \u0915\u093f\u0924\u0928\u093e \u092e\u0939\u0924\u094d\u0935\u092a\u0942\u0930\u094d\u0923 \u0939\u094b\u0924\u093e \u0939\u0948\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aim (\u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f) \u0907\u0938 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u093e \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f Amplitude Modulation (AM) \u0915\u094b \u0938\u092e\u091d\u0928\u093e, \u0909\u0938\u0915\u0940 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e \u092e\u0947\u0902 \u0915\u0930\u0928\u093e \u0914\u0930 CRO \u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0938\u0947 Modulated Waveform \u0915\u094b \u0926\u0947\u0916\u0928\u093e \u0939\u0948\u0964 Apparatus Required (\u0909\u092a\u0915\u0930\u0923) \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u094b \u0915\u0930\u0928\u0947 \u0915\u0947 \u0932\u093f\u090f \u0906\u0935\u0936\u094d\u092f\u0915 \u0909\u092a\u0915\u0930\u0923\u094b\u0902 \u092e\u0947\u0902 \u090f\u0915 Function Generator, AM Modulator Kit, Cathode Ray Oscilloscope (CRO) \u0914\u0930 \u0915\u0941\u091b \u0906\u0935\u0936\u094d\u092f\u0915 Connecting Wires \u0939\u094b\u0924\u0947 \u0939\u0948\u0902\u0964 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[1001,1002,1004,13,640,1006,1005,1008,1003,995,1007,131,973,985],"class_list":["post-2620","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-ammodulation","tag-amplitudemodulation","tag-analogcommunication","tag-bteup","tag-communicationengineering","tag-electronicslab","tag-engineeringlab","tag-labmanual","tag-modulationtechniques","tag-polytechniclife","tag-signalprocessing","tag-skygyan","tag-studysmart","tag-techinhindi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Lab Manual: Experiment No.1:-Amplitude Modulation (AM) &amp; Demodulation - SkyGyan<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/skygyan.tech\/index.php\/2025\/04\/22\/lab-manual-experiment-no-1-amplitude-modulation-am-demodulation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lab Manual: Experiment No.1:-Amplitude Modulation (AM) &amp; Demodulation - SkyGyan\" \/>\n<meta property=\"og:description\" content=\"Aim (\u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f) \u0907\u0938 \u092a\u094d\u0930\u092f\u094b\u0917 \u0915\u093e \u0909\u0926\u094d\u0926\u0947\u0936\u094d\u092f Amplitude Modulation (AM) \u0915\u094b \u0938\u092e\u091d\u0928\u093e, \u0909\u0938\u0915\u0940 \u092a\u094d\u0930\u0915\u094d\u0930\u093f\u092f\u093e \u0915\u094b \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e \u092e\u0947\u0902 \u0915\u0930\u0928\u093e \u0914\u0930 CRO \u0915\u0940 \u0938\u0939\u093e\u092f\u0924\u093e \u0938\u0947 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