{"id":431368,"date":"2024-10-20T07:27:51","date_gmt":"2024-10-20T07:27:51","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-23-30472821-dc\/"},"modified":"2024-10-26T14:11:19","modified_gmt":"2024-10-26T14:11:19","slug":"bsi-23-30472821-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-23-30472821-dc\/","title":{"rendered":"BSI 23\/30472821 DC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
6<\/td>\nFOREWORD <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references
3 Terms and definitions
4 The quartz crystal unit as an electronic component
4.1 General <\/td>\n<\/tr>\n
9<\/td>\n4.2 Modes of vibration <\/td>\n<\/tr>\n
10<\/td>\n4.3 The equivalent electrical circuit of a quartz crystal unit <\/td>\n<\/tr>\n
11<\/td>\n4.4 Crystal resistance <\/td>\n<\/tr>\n
13<\/td>\n4.5 Frequency versus temperature characteristics <\/td>\n<\/tr>\n
16<\/td>\n4.6 Q Factor <\/td>\n<\/tr>\n
17<\/td>\n4.7 level of drive and drive level dependency
4.7.1 level of drive
1.1.1.1 High level of drive
4.7.2 Low level of drive
4.7.3 drive level dependency <\/td>\n<\/tr>\n
18<\/td>\n4.8 Specifying frequency tolerance and operating temperature range <\/td>\n<\/tr>\n
19<\/td>\n4.9 Load capacitance and frequency pulling <\/td>\n<\/tr>\n
22<\/td>\n4.10 Unwanted responses <\/td>\n<\/tr>\n
24<\/td>\n4.11 Effects of ageing <\/td>\n<\/tr>\n
25<\/td>\nFigure 11 \u2013Typical aging curves <\/td>\n<\/tr>\n
26<\/td>\n4.12 Crystal unit enclosures
4.13 Start-up time <\/td>\n<\/tr>\n
27<\/td>\n4.14 Mechanical reliability
5 Application guide
5.1 Oscillator circuits and oscillation condition
5.1.1 Factors affecting the frequency
5.1.2 Types of oscillators <\/td>\n<\/tr>\n
28<\/td>\n5.1.3 Series resonance oscillators <\/td>\n<\/tr>\n
30<\/td>\n5.2 Oscillators, practical considerations
5.2.1 Crystal unit resistance
5.2.2 Unwanted responses <\/td>\n<\/tr>\n
31<\/td>\n5.2.3 Drive level
5.2.4 Frequency stability
5.3 Use in filter applications
6 Factors affecting cost and availability of quartz crystal units
6.1 Introduction <\/td>\n<\/tr>\n
32<\/td>\n6.2 Crystal unit frequency
6.3 Crystal unit enclosures
6.4 Frequency tolerances
6.5 AT-cut. Temperature coefficient cost aspects <\/td>\n<\/tr>\n
33<\/td>\n6.6 Ageing <\/td>\n<\/tr>\n
34<\/td>\n6.7 Environmental
6.8 General testing considerations
7 Technical data to accompany order form
7.1 Check list of crystal unit parameters to be specified in article sheet
7.2 Mandatory requirements <\/td>\n<\/tr>\n
35<\/td>\nTable 3 \u2013 Checklist <\/td>\n<\/tr>\n
37<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS EN IEC 60122-2. Quartz crystal units of assessed quality – Part 2. Guide to the use<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n37<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":431378,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-431368","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/431368","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/431378"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=431368"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=431368"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=431368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}