{"id":156223,"date":"2023-08-29T15:30:44","date_gmt":"2023-08-29T10:00:44","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=156223"},"modified":"2023-08-29T15:30:46","modified_gmt":"2023-08-29T10:00:46","slug":"a-piezoelectric-transducer-with-sensitivity-of-30-mv-kpa-is-intended-to-be-used-in-the-range-of-0-kpa-to-100-kpa-the-readout","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/a-piezoelectric-transducer-with-sensitivity-of-30-mv-kpa-is-intended-to-be-used-in-the-range-of-0-kpa-to-100-kpa-the-readout\/","title":{"rendered":"A piezoelectric transducer with sensitivity of 30 mV\/kPa is intended to be used in the range of 0 kPa to 100 kPa. The readout"},"content":{"rendered":"\n<p>Q. A piezoelectric transducer with sensitivity of 30 mV\/kPa is intended to be used in the range of 0 kPa to 100 kPa. The readout circuit has a peak noise amplitude of 0.3 mV and measured signals over the full pressure range are encoded with 10 bits. The smallest pressure that produces a non-zero output, in units of Pa, is approximately<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (A) 10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (B) 100&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (C) 240&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (D) 300<\/p>\n\n\n\n<p>Ans: 100<\/p>\n\n\n\n<p>Sol: <\/p>\n\n\n\n<p>Given that,  <\/p>\n\n\n\n<p>Sensitivity = 30 mV\/kPa  <\/p>\n\n\n\n<p>Range = 0 kPa to 100 kPa  <\/p>\n\n\n\n<p>Full scale voltage = 30 \u00d7 10-3 \u00d7 100 = 3 V  <\/p>\n\n\n\n<p>Noise of readout circuit = 0.3 mV  <\/p>\n\n\n\n<p>Vref = 3.0003V  <\/p>\n\n\n\n<p>Number of bits = n = 10<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"295\" height=\"156\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/08\/Screenshot-617.png\" alt=\"\" class=\"wp-image-156224\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Q. A piezoelectric transducer with sensitivity of 30 mV\/kPa is intended to be used in the range of 0 kPa to 100 kPa. The readout circuit has a peak noise amplitude of 0.3 mV and measured signals over the full pressure range are encoded with 10 bits. The smallest pressure that produces a non-zero output, [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5141],"tags":[5140],"offerexpiration":[],"class_list":["post-156223","post","type-post","status-publish","format-standard","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/156223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=156223"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/156223\/revisions"}],"predecessor-version":[{"id":156226,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/156223\/revisions\/156226"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=156223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=156223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=156223"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=156223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}