{"id":236069,"date":"2024-10-19T15:24:20","date_gmt":"2024-10-19T15:24:20","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-60679-11998\/"},"modified":"2024-10-25T10:00:45","modified_gmt":"2024-10-25T10:00:45","slug":"bs-en-60679-11998","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-60679-11998\/","title":{"rendered":"BS EN 60679-1:1998"},"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\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\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nBRITISH STANDARD <\/td>\n<\/tr>\n
2<\/td>\nNational foreword <\/td>\n<\/tr>\n
4<\/td>\nForeword
Foreword to amendment A1
Foreword to amendment A2 <\/td>\n<\/tr>\n
5<\/td>\nContents <\/td>\n<\/tr>\n
9<\/td>\n1.1 Scope
1.2 Normative references <\/td>\n<\/tr>\n
11<\/td>\n1.3 Order of precedence
2 Terminology and general requirements
2.1 General
2.2 Definitions <\/td>\n<\/tr>\n
14<\/td>\nFigure 1 Example of the use of frequency offset <\/td>\n<\/tr>\n
17<\/td>\nFigure 2 Typical frequency fluctuation characteristics <\/td>\n<\/tr>\n
18<\/td>\nFigure 3 Characteristics of an output waveform <\/td>\n<\/tr>\n
19<\/td>\nFigure 49 Clock signal with phase jitter <\/td>\n<\/tr>\n
20<\/td>\nFigure 50 Phase jitter measures
Figure 51 Gaussian distribution of jitter <\/td>\n<\/tr>\n
21<\/td>\nFigure 52 Jitter amplitude and period of jitter frequency
Figure 53 Jitter tolerance according to ITU-T G.825, ANSI T1.105.03, Telcordia GR-253 and ETSI EN 300462 <\/td>\n<\/tr>\n
22<\/td>\n2.3 Preferred values for ratings and characteristics <\/td>\n<\/tr>\n
23<\/td>\n2.4 Marking
3 Quality assessment procedures
3.1 Primary stage of manufacture
3.2 Structurally similar components <\/td>\n<\/tr>\n
24<\/td>\n3.3 Subcontracting
3.4 Incorporated components
3.5 Manufacturer\u2019s approval
3.6 Approval procedures <\/td>\n<\/tr>\n
25<\/td>\n3.7 Procedures for capability approval
3.8 Procedures for qualification approval
3.9 Test procedures
3.10 Screening requirements
3.11 Rework and repair work <\/td>\n<\/tr>\n
26<\/td>\n3.12 Certified test records
3.13 Validity of release
3.14 Release for delivery
3.15 Unchecked parameters
4 Test and measurement procedures
4.1 General
4.2 Test and measurement conditions <\/td>\n<\/tr>\n
27<\/td>\n4.3 Visual inspection <\/td>\n<\/tr>\n
28<\/td>\n4.4 Dimensions and gauging procedures
4.5 Electrical test procedures
Figure 4 Test circuits for insulation resistance measurements <\/td>\n<\/tr>\n
29<\/td>\nFigure 5 Test circuit for voltage proof test <\/td>\n<\/tr>\n
30<\/td>\nFigure 6 Test circuit for oscillator input power measurement
Figure 7 Test circuit for oven and oscillator input power measurement <\/td>\n<\/tr>\n
31<\/td>\nFigure 8 Test circuit for measurement of output frequency, method 1 <\/td>\n<\/tr>\n
32<\/td>\nFigure 9 Test circuit for measurement of output frequency, method 2 <\/td>\n<\/tr>\n
33<\/td>\nFigure 10 Test circuit for measurement of frequency\/temperature characteristics <\/td>\n<\/tr>\n
34<\/td>\nFigure 11 Thermal transient behaviour of typical oscillator <\/td>\n<\/tr>\n
36<\/td>\nFigure 12 Generalized oscillator circuit
Figure 13 Test circuit for start-up behaviour and start-up time measurement <\/td>\n<\/tr>\n
37<\/td>\nFigure 14 Typical start-up behaviour with slow supply voltage ramp <\/td>\n<\/tr>\n
38<\/td>\nFigure 15 Definition of start-up time
Figure 16 Supply voltage waveform for periodical <\/td>\n<\/tr>\n
39<\/td>\nFigure 17 Typical oscillator stabilization characteristic <\/td>\n<\/tr>\n
40<\/td>\nFigure 18 Example of retrace characteristic
Figure 19 Test circuit for the measurement of output voltage <\/td>\n<\/tr>\n
41<\/td>\nFigure 20 Test circuit for the measurement of pulse outputs
Figure 21 Test circuit for harmonic distortion measurement <\/td>\n<\/tr>\n
42<\/td>\nFigure 22 Quasi-sinusoidal output waveforms <\/td>\n<\/tr>\n
43<\/td>\nFigure 23 Frequency spectrum for harmonic distortion <\/td>\n<\/tr>\n
45<\/td>\nFigure 24 Test circuit for the determination of isolation between output ports <\/td>\n<\/tr>\n
46<\/td>\nFigure 25 Test circuit for measuring suppression of gated oscillators
Figure 26 Test circuit for tri-state disable mode output current <\/td>\n<\/tr>\n
47<\/td>\nFigure 27 Test circuit for output gating time \u2014 tri-state <\/td>\n<\/tr>\n
48<\/td>\nFigure 28 Test circuit for modulation index measurement
Figure 29 Modulation waveform for index calculation <\/td>\n<\/tr>\n
49<\/td>\nFigure 30 Logarithmic signal amplitude scale <\/td>\n<\/tr>\n
50<\/td>\nFigure 31 Test circuit to determine amplitude modulation sensitivity
Figure 32 Frequency spectrum of amplitude modulation distortion <\/td>\n<\/tr>\n
51<\/td>\nFigure 33 Test circuit to determine pulse amplitude modulation <\/td>\n<\/tr>\n
52<\/td>\nFigure 34 Pulse modulation characteristic <\/td>\n<\/tr>\n
53<\/td>\nFigure 35 Test circuit for the determination of modulation input impedance <\/td>\n<\/tr>\n
54<\/td>\nFigure 36 Test circuit for the measurement of f.m. deviation <\/td>\n<\/tr>\n
55<\/td>\nFigure 37 Test circuit for the measurement of f.m. sensitivity <\/td>\n<\/tr>\n
56<\/td>\nFigure 38 Test circuit for the measurement of frequency modulation distortion <\/td>\n<\/tr>\n
57<\/td>\nFigure 39 Test circuit for the measurement of single-sideband phase noise <\/td>\n<\/tr>\n
59<\/td>\nFigure 40 Typical noise pedestal spectrum <\/td>\n<\/tr>\n
61<\/td>\nFigure 41 Test circuit for the measurement of incidental frequency modulation <\/td>\n<\/tr>\n
62<\/td>\nFigure 42 Test circuit for method 1 <\/td>\n<\/tr>\n
63<\/td>\nFigure 43 Test circuit for method 2 <\/td>\n<\/tr>\n
64<\/td>\nFigure 44 Circuit modifications for methods 1 and 2
Figure 45 Time-domain short-term frequency stability of a typical\ufffd5\ufffdMHz precision oscillator <\/td>\n<\/tr>\n
67<\/td>\nFigure 47 Characteristics of line impedance of stabilizing network
Figure 48 Circuit diagram of line impedance of stabilizing network <\/td>\n<\/tr>\n
68<\/td>\nTable 1 Measuring sets bandwidths <\/td>\n<\/tr>\n
69<\/td>\nFigure 54 Phase jitter measurement with sampling oscilloscope <\/td>\n<\/tr>\n
70<\/td>\nTable 6 Fourier frequency range for phase noise test <\/td>\n<\/tr>\n
71<\/td>\nFigure 55 Block diagram of a jitter and wander analyser according to ITU-T 0.172
Table 7 Standard bit rates for various applications
4.6 Mechanical and environmental test procedures <\/td>\n<\/tr>\n
72<\/td>\nTable 2 Tensile force
Table 3 Thrust force
Table 4 Bending force <\/td>\n<\/tr>\n
73<\/td>\nTable 5 Torque force <\/td>\n<\/tr>\n
76<\/td>\n4.7 Endurance test procedure <\/td>\n<\/tr>\n
78<\/td>\nAnnex A (normative) Load circuit for logic drive
A.1 TTL and Schottky
Figure A.1 Circuit for TTL
Figure A.2 Circuit for Schottky logic <\/td>\n<\/tr>\n
79<\/td>\nTable A.1 Values to be used when calculating
A.2 CMOS
A.3 ECL <\/td>\n<\/tr>\n
80<\/td>\nAnnex B (informative) Latch-up test
B.1 Definition
B.1.1 Latch-up
B.1.2 Test procedure
B.2 Test method
B.2.1 This test is destructive.
B.2.2 This test is applicable only to quartz crystal controlled oscillators containing CMOS integrated …
B.2.3 This test shall be performed in accordance with IEC 60748-2.
B.2.4 This test is a recommended test procedure. It is not a specification. No test limits are given.
B.2.5 This test is performed for characterization and inspection purposes only. It is not a production … <\/td>\n<\/tr>\n
81<\/td>\nAnnex C (normative) Electrostatic discharge sensitivity classification
C.1 Definition
C.1.1 Electrostatic discharge (ESD)
C.1.2 Test procedure
C.2 Test methods <\/td>\n<\/tr>\n
82<\/td>\nAnnex ZA (normative) Normative references to international publications with their corresponding European … <\/td>\n<\/tr>\n
85<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Quartz crystal controlled oscillators of assessed quality – Generic specification<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2004<\/td>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":236072,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-236069","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\/236069","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\/236072"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=236069"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=236069"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=236069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}