Agilent Technologies 5071A manuale d’uso

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Agilen t 5071A Primar y Frequency Standard Telecommunications Options Supplemental Manual This manual descr ibes the Tele communi cations op tio ns for th e Agil ent 5071A Primary Frequency Standard . The info rmation in this manual applies toi nstruments with one or more telecom muni cations option s having the number prefix liste d below, unless [...]

Agilent Te chnolog ies, In c. 8.CD.NL.A.03.11.97.R1.J.CW2F Santa Clara Site 5301 Stevens Creek Boulevard Santa Clara, California 95052-8059  Copyright Agile nt Technologies, Inc. 1994, 2000 All Rights Reserved. Reproduc tion, adaptation, or translations without prior written permission is prohibited, exc ept as allowed under the copyright laws. [...]

MANUA L UPDATING CHA NGES CHA NGE DA TE : Decem ber 12, 2001 MANUA L UPDATING COVERA GE This supplement adapts y our m anual to Serial Num bers pref ixed through: US3930 MANUA L IDENT IFICA TION Instrument: Agilent 5071A Prim ary Frequency Standard Telec omm unications O ptions Supplemental Manual Manual Print Date: Dec ember 2000 Manual Part Numbe[...]

LIST O F EFFECT IVE PAGES SERIAL PREFIX , SERIAL # OR DATE CODE PAG ES (05071-90042, December 2000) # All Serials ....................... 3-3. All Serials ....................... All pages. MANUAL CHANGES AGIL ENT 5071A TELECOMMU NICATIONS O PTIONS SUPPLEMENTAL MANU AL SERIA L PREF IX , SERIAL # OR DATE CODE CHANGES # Page 3-3, A ccessories Furnish[...]

iii Preface How to Use This Manual v Instrument Identification v Instruments Cove red by This Manual vi Manual Organization vi How to Order Manuals vi 1 Operating and Programming Introduction 1- 2 Introducing the HP 5071A 1-2 HP 5071A Major Features 1-2 Operating The HP 5071A 1-2 Clock Functions 1-2 Getting Started 1-3 The HP 5071A at a Glance 1-3 [...]

Contents iv Installation 1-1 0 Preparation for Use 1-10 Power Requirements 1-10 Bench Operation 1-10 Operating the HP 5071A From External Dc Pow er 1-10 Preparing the HP 5071A For External Dc Operation 1- 11 Replacing the Ex ternal Dc Input Power Fuse 1-11 Internal Standby Battery Maintenance 1-11 Long-Term Storage 1-11 2S e r v i c e Performance T[...]

Contents v 3 Specifications Supplemental Characteristics 3-2 Time Standa rd 3-2 Clock 1P PS Outputs 3-2 Clock Synchronization 3-2 Internal Standby Battery (Nominal Values) 3-2 Environmental 2-9 Power Requ irements 3-2 Weight 3 -3 Accessories Furnished 3-3 dc input connector 3-3 Available Accessories and Options 3-4 Options 3-4[...]

Contents vi[...]

vii Preface This manual p rovides operating, programming, a nd assembly-level service infor mat ion fo r the HP 5071A Primary Frequency Standard Telecommunicat ions optio ns. How to Use This Manual Telecommunications option infor mation is pr esented as changes, additions , and deletions to the material co vered in the HP 5071A Operating and Progra[...]

Preface viii Instruments Covered by This manual This manual applies to any HP 5071A Primary Frequency Stand ard that is equi ppe d with one or more of the teleco mmunications opt i ons shown on t he title p age and has th e same serial number prefix(es) a lso shown on the title page. If the serial numb er pre fix of your standard differs from that [...]

1 Operating and Programming[...]

Operating and Progr am m ing Introduct ion 1-2 Introduction This section describes th e additions, changes, a nd deletions to the information that appears in the introduction of the 5071A Operating and Programming manual. Introducing the 5071A 5071A Major Features In the bulleted text delete: • 45 minute standby battery Operating The 5071A Clock [...]

Operating and Progr am m ing Getting S tarted 1-3 Getting Started This section describes th e additions, changes, a nd deletions to the information that appears in chapter 1 of the 5071A Operating and Programming manual. CHAPTER GUID E Where to Find Important Topics In the bulleted list delete: • Powering Down the 5071A 1-8 The 5071A at a Glance [...]

Operating and Progr am m ing Getting S tarted 1-4 5071A Rear Panel Connections (See Table 1- 1 in this chapter f or connector des criptions) NOTE The illustration on these pages depicts an 5071A equipped w ith Telecomm Options 048 and 272. When the telecomm output option includes either 100 or 120 Ω balanced output lines, the Framed Output connec[...]

Operating and Progr am m ing Getting S tarted 1-5 120 Vac 7 TELE C O M OPTIO N S : 48 V ol t 1 . 544 M b / s 2 . 048 M b / s 048 104 105 220 270 221 271 222 272 O p e r a t ing V ol t a g e R a ng e : 40 t o 58 V DC I npu t 1 I npu t 2 48 V DC 48 V DC G ND F u se : 2 . 5A 250 V F U SE CAU TIO N : F o r c on t inu e d p r o t ec t ion a g a in s t f[...]

Operating and Progr am m ing Getting S tarted 1-6 Table 1- 1 Rear-Panel Telecommun ications Optio ns Connections Item Number Function Connector Ty pe Signal Characteristics 1 8 kHz Sync In BNC (F) 8 kHz, T TL level, into 50 Ω 2 8 kHz Sync Out BNC (F ) 8 kHz, TT L level, into 50 Ω 3* Fram ed Output BNC (F) 4.8 V p-p m ax into 75 Ω (6V p-p into[...]

Operating and Progr am m ing Using the 5071A 1-7 Using the 5071A This section describes th e additions, changes, a nd deletions to the information that appears in chapter 2 of the 5071A Operating and Programming manual. CHAPTER GUID E All references to 1 PPS outputs and Sync inputs are s ingular. Chapter Summary In the bulleted list delete. • Dis[...]

Operating and Progr am m ing In Case of Dif ficult y 1-8 In C ase o f Difficul ty This section describes th e additions, changes, a nd deletions to the information that appears in chapter 3 of the 5071A Operating and Programming manual. Front-Panel Indicators and Messages Table 3-1. Front-Panel Status Lights All references to internal-battery power[...]

Operating and Progr am m ing 5071A Command References 1-9 5071A Command References This section describes th e additions, changes, a nd deletions to the information that appears in chapter 5 of the 5071A Operating and Programming manual. 5071A Command Summary SCPI Commands Table 5-2. SCPI Command Summary The response form for DIAGnostic:ST ATus:SUP[...]

Operating and Progr am m ing Specificat ions 1-10 Specifications Refer to chapter 3 of this manual for telecommunications options specification changes.[...]

Operating and Progr am m ing Installa tion 1-11 Installation This section describes th e additions, changes, a nd deletions to the information that appears in chapter 7 of the 5071A Operating and Programming manual. CHAPTER GUID E Chapter Summary In the bulleted list delete: • Internal Battery Maintenance 7-11 Where to Find Important Topics In th[...]

Operating and Progr am m ing Installa tion 1-12 Preparing the RP 5071-A For Externa l-Dc Opera tion Delete the existing procedure and use the following procedure 1. Connect the positive (+) terminal of the 40 to 58 Vdc power to the + screw terminal of INP UT 1 on the rear-panel 5-terminal barrier strip. 2. Connect the minus ( – ) terminal of the [...]

2 Assembly-Level Service[...]

Assembl y-Lev el Serv ice Performance Tests 2-2 Performance Tests This section describes th e additions, changes, a nd deletions to the information that appears in chapter 1 of the 5071A Primary Frequency Standard Assembly-Level Service manual. 5071A Operational Verification Rear-Panel Output Signal C hecks Step 2 at the top of page 1-9. second par[...]

Assembl y-Lev el Serv ice Service 2-3 Service This section describes th e additions, changes, a nd deletions to the information that appears in chapter 2 of the 5071A Primary Frequency Standard Assembly-Level Service manual. Assembly Identification and Location Table 2-2. 5071A As sem bly Identific ation The part number and exchange part number for[...]

Assembl y-Lev el Serv ice Service 2-4 Figure 2-1. Instr ument Top View The “Batteries (Hidden behind battery door)”callout is chang ed to: 48 Vdc Input Terminals and Fuse Top-Level Diagnostic Tree Organization Warning Message Diagnostic Tree (Diagnostic Subsection 4) On page 2-15, item number “1.4.4 Power Source is Ba tt” is deleted and ite[...]

Assembl y-Lev el Serv ice Service 2-5 Warm-up and Fatal Error Diagnostic Tree (Diagnostic Subsection 3) 1.3.1.1 Operating Error-Code Interpretation On page 2-28, FIRST WORD message item 16 “ SAW Osc unlock ed ” is changed to: 16. Unused b it, always 0 1.3.2.1 Cs Oven Failed: Ion Pump Overcurrent Warm-up Error The If No response to the QUESTION,[...]

Assembl y-Lev el Serv ice Service 2-6 1.4.4.2.1 A1C4 Voltage Test Procedure The QUESTION, is changed to: Is the voltage between 45 and 51 Vdc? 1.4.4.3 LF1/T1 Transformer F a ul t Verification Step 2 text is changed to: Verify presence of 33 - 47 Vrms. The QUESTI ON: is changed to: Is the voltage between 33 - 47 Vrms? The T1 part number w it hin If [...]

Assembl y-Lev el Serv ice Service 2-7 2.1.1.1.2 A11/A11 Cable Test Step 2 text is changed to: Verify that the voltage present is between 45 and 51 Vdc with no more than 1 Vrms ripple. 2.1.1.1.3 A11/A11-A1 Cables Test Step 2 text is changed to: Verify that the voltage present is between 45 and 51 Vdc with no more than 1 Vrms ripple. 2.1.1.1.4 A1CR3 [...]

Assembl y-Lev el Serv ice Service 2-8 Assembly/Module Diagnostic Trees (Diagnostic Section 3) A8 Diagnostic Tree (A/M Subsection 3) 3.3.3 1 PPS Outputs Test Step 2 text is changed to: Use the oscilloscope with 50 Ω input termination to check for 20 microsecond pulses at a rate of one pulse per second at the external front-panel 1 PPS output conne[...]

Assembl y-Lev el Serv ice Service 2-9 A9 Diagnostic Tree (A/M Subsection 4) 3.4.5.0 A9 Mon Signal Test This procedure is deleted. 3.4.6.0 A9 J4 80-MHz Signal T est This procedure is deleted. The following procedure is added: 4.4.4.1 A9-to- Chassis TCO Option signal Interconnect Test If one or more of the four rear-panel telecommunications outputs a[...]

Assembl y-Lev el Serv ice Theory of Operation 2-10 Theory of Operation This section describes th e additions, changes, a nd deletions to the information that appears in chapter 3 of the 5071A Primary Frequency Standard Assembly-Level Service manual. Introduction A1 Motherboard Circuit Description The second sentence of the paragraph at the bottom o[...]

Assembl y-Lev el Serv ice Theory of Operation 2-11 Input/Output Block The first sentence of the second paragraph is changed to: The block also receives a front- panel Sync- i nput s ignal to s ynchronize the 1 pps output with an external system or event. Power Supply B lock The text is changed t o: The power supply block provides the instrument wit[...]

Assembl y-Lev el Serv ice Theory of Operation 2-12 Figure 3-2. 5071 A Overall Block Diagram (Con tinued) The A8 1 PP S Assembly has the following input/output changes: Input B is deleted. Both rear-panel 1 PPS outputs are deleted. The Power-Supply Block has the following changes: The DC Power input voltage is changed from 22- 42V to 40- 58V The B1 [...]

Assembl y-Lev el Serv ice Theory of Operation 2-13 Table 3-2. Reference Oscillator/RF-Chain Block Interconnections The following interconnection information is added to table 3-2 on page 3-16: Source Module or A ssembly From Path Connectors Signa l Name To P ath Connectors Destination Module or A ssembly A9 N/A Telec omm unications 8 kHz Sync Input[...]

Assembl y-Lev el Serv ice Theory of Operation 2-14 Power Supply Block The first sentence of the first paragraph at the top of page 3-22 is changed: The Power-Supply Block consists of LF1 line filter/cable assembly, T1 toroidal power transformer, A1 rectifier/crowbar/Ex t dc input filter circuits, A11 power steering logic assembly , and A12 Dc-Dc po[...]

Assembl y-Lev el Serv ice Theory of Operation 2-15 Table 3-6. Power Supply Bloc k Interconnections The following signal name information in table 3-6 on page 3-23 is changed: • The voltage range in the third row is changed from 22-42 Volts to 40-58 Volts. • The voltage range in the fourth row is changed from 32-38 Volts to 45-51 Volts. • The [...]

Assembl y-Lev el Serv ice Theory of Operation 2-16 A11 Power Steering Logic Assembly The paragraph that describes the power-steering logi c circuit on page 3- 25 is changed: A11 directs the outputs of two power sources to the main instrument input bus in a hierarchical order. The two power sources are: 1) the external dc input and 2) the dc from th[...]

Assembl y-Lev el Serv ice Theory of Operation 2-17 The slot/module interconnect diagram on page 3-28 is changed: The J3 Low Current Steering Logic connector does not have +5 VDC, POWER FAIL, or BAT VALID signals pr es ent. 48V Subpanel Assembl y The schematic diagram in figure 2-1 below illustrates the wiring of the 48V Su bpanel Assembly. T his as[...]

Assembl y-Lev el Serv ice Theory of Operation 2-18 Figure 3-5. A 1 Pow er-Supply Block Diagram The Power Supply block diagram on page 3-30 is changed: • The Ext DC Input voltage is 40-58 VDC, • The F2 fuse rating is 2.5A, • The T1 toroidal power transformer part number is 9100-5134, • The P/O B 1 battery packs are deleted, • The 05071-602[...]

Assembl y-Lev el Serv ice Replaceable Parts 2-19 Replaceable Parts This section describes th e additions, changes, a nd deletions to the information that appears in chapter 5 of the 5071A Primary Frequency Standard Assembly-Level Service manual. Exchange Assemblies Table 5- 1. A 9 Telecommunicat ions Options ( TCO) Exchan ge A ssemblies The part nu[...]

Assembl y-Lev el Serv ice Replaceable Parts 2-20[...]

Assembl y-Lev el Serv ice 2-21 BACKDATING This section describes th e additions, changes, a nd deletions to the information that appears in chapter 7 of the 5071A Primary Frequency Standard Assembly-Level Service manual.[...]

Assembl y-Lev el Serv ice BA CKDA TING 2-22[...]

3 Specifications[...]

Specificat ions Supplemental Charact eri st i cs 3-2 Supplemental Characteristics This section describes th e additions, changes, a nd deletions to the information that appears in the Supplemental Characteristics section of the Specification chapter for either the HP 5071A Operating and Programming manual or the HP 5071A Assembly-Level Service manu[...]

Specificat ions Supplemental Charact eri st i cs 3-3 Weight The following are changed: Net weight: 28 kg (61 lb.). Shipping weig ht: 38 kg (83 lb .). Accessories Furnished dc input connector The dc input connector description is changed: 5-screw terminal standard barrier strip Option 048: Option 048:[...]

Specificat ions A vailable A ccessories and Opti ons 3-4 Available Accessories and Options This section describes th e additions, changes, a nd deletions to the information that appears in the Available Accessories and O ptions section of the Specification chapter for either the HP 5071A Operating and Programming manual or the HP 5071A Assembly-Lev[...]

Printed in U.S.A Data subject to change Rev 12/2000 Service and Sup port Contacting Agilen t Technologies: For more information about Agilent te st and measurement products , applications, and services, vi sit our web site at http://ww w .agil ent.com/ services/Eng lish/index .html. Agilent’s Test and Measurement Fax Service for U nited States an[...]

Continued fro m front matter. . . 8.CD.NL.A.03.11.97.R1.J.CW2B Warranty (contd) Agilent d oes no t warrant that the operation of Agilent products will be uninterrupted or error free. If Agilent is unable, within a reasonable tim e, to repair or replace any produ ct to a condition as warr anted, customer will be entitled to a refund of the purchase [...]

DECLARATION OF CONFORMI TY According to ISO /IEC Guide 22 and CEN/CE NELEC EN 45014 Manufacturer’s Name: Agi lent Tech nol ogies , Inc . Manufacturer’s A ddress Santa Clara Site 5301 Stevens C reek Boul evard Santa Clara, Ca lifornia 950 52-8059 U.S.A . Declares, that th e product Product Name: Primary Frequen cy Standard Model Number: 5071A Pr[...]

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 Manual Part N umber 05071-90042 Printed in U.S.A., DECEMBER 2000[...]