{"id":257317,"date":"2023-08-25T19:20:48","date_gmt":"2023-08-25T13:50:48","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=257317"},"modified":"2023-08-25T19:20:48","modified_gmt":"2023-08-25T13:50:48","slug":"new-technology-developed-to-transport-of-radio-frequency-rf-through-optical-methods-could-improve-digital-satellite-communication","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/new-technology-developed-to-transport-of-radio-frequency-rf-through-optical-methods-could-improve-digital-satellite-communication\/","title":{"rendered":"New technology developed to transport of radio frequency (RF) through optical methods could improve digital & satellite communication"},"content":{"rendered":"\n

Source: <\/b>The post is based on the article <\/span>\u201c<\/b>New technology developed to transport of radio frequency (RF) through optical methods could improve digital & satellite communication<\/b>\u201d<\/b>\u00a0 published in<\/span> PIB on 24th August 2023.<\/b><\/p>\n

What is the News?<\/b><\/h2>\n

Researchers at IIT Madras have developed a prototype in the Next-Generation Photonic Analog-to-Digital Converters (NG-PADC) project.<\/span><\/p>\n

What is Next-Generation Photonic Analog-to-Digital Converters (NG-PADC)?<\/b><\/h2>\n

NG-PADC prototypes have the capability to instantly measure, generate, and transmit Radio Frequency (RF) using optical methods.\u00a0<\/span><\/p>\n

This could bring significant changes to various sectors, including faster digital communication, improved satellite communication, better medical imaging, and advanced photonic radars.<\/span><\/p>\n

What are the limitations of traditional electronic Analog-to-digital converters (ADCs)?<\/b><\/h2>\n

Analog-to-digital converters (ADCs) are crucial for developing advanced digital receivers.<\/span><\/p>\n

But the traditional electronic ADCs(EADCs) have limitations, especially in maintaining vertical resolution at high bandwidths.\u00a0<\/span><\/p>\n

Photonics offers two potential solutions to overcome this limitation:<\/span><\/p>\n

Stretching RF Signals<\/b>: RF signals can be modulated onto a spectrally rich optical pulsed source and then stretched in the optical domain through a dispersive medium.This transformation converts high-frequency RF signals into effectively lower-frequency signals.As a result, the input bandwidth requirements for the backend ADC are significantly reduced.<\/span><\/p>\n

Stable Optical Clocks:<\/b> Photonics can utilize optical clocks generated by short-pulsed lasers. These optical clocks have much smaller timing fluctuations (timing jitter) compared to electronic clocks. <\/span><\/p>\n

–When high-bandwidth RF signals are sampled using stable optical clocks, it leads to a much higher effective number of bits (ENOB) compared to electronic clocks.This enables the digitization of signals with much greater precision.<\/span><\/p>\n

How can NG-PADC help in this?<\/b><\/h2>\n

NG-PADC incorporates a time-stretched photonic ADC with an effective bandwidth 12 times higher than a corresponding EADC. This enables the sampling of higher bandwidth signals using lower bandwidth EADCs.<\/span><\/p>\n

These advancements are particularly beneficial for digital coherent communication with high-bandwidth signals.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Source: The post is based on the article \u201cNew technology developed to transport of radio frequency (RF) through optical methods could improve digital & satellite communication\u201d\u00a0 published in PIB on 24th August 2023. What is the News? Researchers at IIT Madras have developed a prototype in the Next-Generation Photonic Analog-to-Digital Converters (NG-PADC) project. What is… Continue reading New technology developed to transport of radio frequency (RF) through optical methods could improve digital & satellite communication<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,9],"tags":[3590],"class_list":["post-257317","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-public","tag-pib","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/257317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=257317"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/257317\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=257317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=257317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=257317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}