{"id":8970,"date":"2019-09-25T23:45:30","date_gmt":"2019-09-25T23:45:30","guid":{"rendered":"https:\/\/stevepedwards.today\/stevepedwards.com\/ElectronicsStuff\/?p=8970"},"modified":"2019-09-25T23:45:30","modified_gmt":"2019-09-25T23:45:30","slug":"alans-stairstep-generator-using-555-and-op-amps","status":"publish","type":"post","link":"https:\/\/stevepedwards.today\/ElectronicsStuff\/alans-stairstep-generator-using-555-and-op-amps\/","title":{"rendered":"Alan&#039;s Stairstep Generator Using 555 and Op Amps"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"#231: Circuit Fun: Stairstep generator using 555 and op amps\" width=\"1778\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/Kqb5zcrgv7s?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-8975\" src=\"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/stepcct-1024x527.png\" alt=\"\" width=\"840\" height=\"432\" srcset=\"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/stepcct-1024x527.png 1024w, https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/stepcct-300x154.png 300w, https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/stepcct-768x395.png 768w, https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/stepcct.png 1180w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><br \/>\nAgain, difficult for me - too many errors building the thing at my age with eyesight and senility! I think good quality kit makes a big diff here though with non exact values for some caps and resistors throwing out timing multiples for even steps etc? - too much noise for clarity in the fine divisions to get a clear stair step. Best I got was uneven and spiky spread at the trigger start:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8973\" src=\"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/steps.png\" alt=\"\" width=\"763\" height=\"436\" srcset=\"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/steps.png 763w, https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-content\/uploads\/2019\/09\/steps-300x171.png 300w\" sizes=\"auto, (max-width: 763px) 100vw, 763px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Again, difficult for me - too many errors building the thing at my age with eyesight and senility! I think good quality kit makes a big diff here though with non exact values for some caps and resistors throwing out timing multiples for even steps etc? - too much noise for clarity in the fine <a href=\"https:\/\/stevepedwards.today\/ElectronicsStuff\/alans-stairstep-generator-using-555-and-op-amps\/\" class=\"more-link\">...<span class=\"screen-reader-text\">  Alan&#039;s Stairstep Generator Using 555 and Op Amps<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-8970","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/posts\/8970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/comments?post=8970"}],"version-history":[{"count":0,"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/posts\/8970\/revisions"}],"wp:attachment":[{"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/media?parent=8970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/categories?post=8970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stevepedwards.today\/ElectronicsStuff\/wp-json\/wp\/v2\/tags?post=8970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}