Application Note 3. Rev 1 - April AS9100D Certificate Number : C AS3

Transcription

1 Time and Frequency - Some defining buzzwords Application Note 3 Rev 1 - April 2018 AS9100D Certificate Number : C AS3 Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 1 of 10

2 QUALITY - Not all clocks are the same Total In-house control and execution of design, manufacturing and sales. Uniquely, our products are designed, built & supported to AS9100D. Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 2 of 10

3 QUALITY - Not all clocks are the same Lower cost of ownership Long product service life Excellent MTBF figures Excellent temperature specifications Consistent Quality Manufacturing Lower cost of support Root cause failure analysis assured Full historic supply traceability Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 3 of 10

4 GPS Timing GNSS - Global Navigation Satellite Systems GPS - USA BEIDOU - CHINA GLONASS - RUSSIA GALILEO - EUROPE NAVIC - INDIA GNSS Time Information and Synchronisation (1PPS) which is used for... Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 4 of 10

5 Frequency Standards TCXO : Temperature compensated oscillator OCXO : Oven Controlled Oscillator - we build our own. CSAC : Chip Scale Atomic Oscillator Rubidium : Rb-87 Atomic Oscillator Caesium : Caesium-133 Atomic Oscillator Frequency standard oscillators which are used for.. Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 5 of 10

6 GPS/GNSS Disciplined Oscillators - GPS-DOs GNSS Receiver Phase compare TCXO OCXO CSAC Rubidium Caesium Stable Output GPS/GNSS disciplined oscillators which are used for.. Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 6 of 10

7 Disciplined Low Phase Noise Frequency Standards from GPS-DOs TCXO OCXO CSAC Rubidium Cesium Optional cleanup crystal filter (Rb) Phase Noise Determines bit error rate in satellite communications systems Determines receiver sensitivity in Software Defined Radios Disciplined Oscillators and frequency standards facilitate.. Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 7 of 10

8 Time Code and Frequency Provision from GPS-DOs 1. Synchronisation Signals - 1PPS Pulse Train 2. Time Code Signals - IRIG-B, AFNOR, HaveQuick DC Level Shift types AC Modulated types 3. Frequency References - 10MHz, E1/T1 etc (Telecoms, Carriers) IRIG-B : Most common combined time sync and data code Have Quick : Standard Output Timing Signal from Military receivers RS 422 : Time display protocols for Network display clocks NTP & PTP : Network packet based time information Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 8 of 10

9 Time and Phase Measurement from GPS-DOs Local, Portable GPS Referenced Time Signal Measurements Remote Measurements for Test, System Verification and Data Logging Remote Generation of Time Code, Network Timing and Frequency Signals NTP, PTP, 1PPS, 10MHz, AC & DC Time Codes Time & Frequency Buzzwords AN3 Rev 1 - Apr 18 - Page 9 of 10

10 Satisfied customers include.. ABB Singapore Airbus Defence & Space ASM Technologies Ltd Atkins Babcock International BAE Systems BBC Carillion Rail CMC Engineering Malaysia EDF Energy Finmeccanica, UK Indian Navy Communications HQ - Sales & R&D Tustin, CA, USA Manufacturing Site Santa Ana, CA,USA Jakarta Metro Leonardo Electronics Defence And Security London Stock Exchange London Underground MBDA Ltd MTRC Hong Kong National Air Traffic Services NEC Network Rail National Northrop Grumman Park Air Systems Ltd Qinetiq Ltd Raytheon Systems Ltd TFS Main Office, W i t ham, UK Acquisys France Tecnologia GPS,S.A. Spain Printec SA Greece tfs Bayonet Airports Abu Dhabi SALES OFFICES Rockwell Automation SBS Transit Singapore Siemens Rail Siemens Rail Automation Holdings Ltd. Singapore Stock Exchange St Electronics Singapore Telent Technology Services Limited Teligent Thales UK Transport For London Viacom PDAC Microsystems India Progresso Networks Singapore etoob S.Korea SMCT Hong Kong & Macau CHINA Please visit our web sites at or call one of our regional offices. Europe, Middle East, Africa, Australia Mr David Wright Director of Sales, Europe, Middle East, Africa, Australia Tel : +44 (0) dwright@timefreq.com Asia, China, India, Japan Mr Neil Pitman Director of Sales - Asia China, India, Japan +44 (0) Phone neil.pitman@timefreq.com United Kingdom Mr Mark Aherne Director of Sales, UK Witham Office, Essex Tel : +44 (0) mark.aherne@timefreq.com 25 Eastways, Witham, Essex, CM8 3AL, UK Phone +44 (0) Fax +44 (0) enquiries@timefreq.com 153 Warner Ave, Tustin, CA 92780, USA Phone Info@brandywinecomm.com Disclaimer : & TFS are always seeking to improve our products, the information in this document only provides general indications of product capability, suitability and performance, none of which shall form any part of any contract.