Symmetricom 58502A manuale d’uso

097-585 02-01 Issue 1: Mar 00 Copyright © 2000 Symmetricom, Inc. All rights reserved. Printed in U.S.A. 58502A Broadband Distr ib ution Amplifier User’ s Guide[...]

This ma nual prov ides info rmation on the 5850 2A Broadband Dis tribution Amp lifier, includi ng performance tests, command refe rence, functional description, s ervice, an d specificati ons. For assistance, contact: Symmetricom, Inc. 2300 Orchard Parkw ay San Jose, CA 9513 1-1017 U.S.A. Call Center: 888-367-79 66 (from inside U.S.A. only – toll[...]

Contents User ’s Guide iii In This Guide Guide Organization vii Descripti on of the 58502A Broadband Distribution Amplifier viii Overview viii Auto-Switc hing and Alarm-Inputs F eatures viii RS-232C P ort and Indicators F eatures ix Accessories Supplied and Available ix Suppl ied ix Manuals ix 1G e t t i n g S t a r t e d 58502A Broadband Distrib[...]

Contents iv User ’s Guide 2 P erformance T ests Introduction 2-2 Operational V erificatio n 2-2 Pe r f o r m a n c e T e s t s 2 - 2 Calibrati on (Option 010 Only) 2-2 T est Record 2-2 Test Equipment Required 2-4 58502A Operati onal Verificat ion 2-5 Equipment 2-5 Outputs ( 1-12) V erification 2-5 Alarm and Status Output V erification 2-7 RS-232 [...]

Contents User ’s Guide v Alarm Indicator 3-6 Input A and B Indicators 3-6 OUTPUT ST ATU S 1-12 Indic ators 3-6 Serial Interfac e Ports 3-7 RS-232 P ort 3-7 RS-232 P ort Configuration 3-7 Making Changes to the Serial Port Setti ngs (If Needed) 3- 8 Determining the Ser ial Port Setti ngs 3-8 Connecting a Terminal or Compute r 3-9 T o Connect a T er[...]

Contents vi User ’s Guid e 6S e r v i c e Introduction 6-2 Determining 58502A Fault Status 6-2 7 Specifications Introduction 7-2 Index[...]

User ’s Guide vii In This Guide This preface contai ns the following information: Guide Organization Table of C ontents Chapter 1, “ Getting Started ,” pro vides an over view of the 58502A Broadband Distr ibution Amplifi er’s indicato rs, connecto rs, inputs, and outputs. Thi s chapter also pro vides installat ion, power- up instruc tions, [...]

In This Guide viii User ’s Guide Description of the 58502A Broadband Distributi on Amplifier Overview The 58502A is a 1- to-12 Broadband Di stribution Amplifier that is used to distrib ute precision sine wave signals from Cesium, Rubidium, quartz, or GPS frequenc y standards. It provide s 12 outputs of the source frequency, which c an range fro m[...]

In This Guide User ’s Guide ix RS-232C Port and Indica tors Features Querying through the RS232 ser ial interfac e port an d viewing t he front-panel LEDs or indic ators facilitate monitoring the system. Registers withi n the 58 502A allow you to query, thro ugh the RS232 interface port, the indivi dual distribution input and output channels for [...]

In This Guide x User ’s Gui de[...]

1 Gettin g Starte d[...]

Chapter 1 Getting Star ted 58502A Broadband Di stributi on Amplifier at a Glance 1-2 User ’s Gui de 58502A Broa dband Distrib ution Amplifier at a Glance SYSTEM STATUS Power Alarm Input A Input B OUTPUT STATUS 1 2 3456 7 8 9 10 11 12 58502A DISTRIBUTION AMPLIFIER AB ALARM/ST A TUS AC Input 1234567891 0 1 1 1 2 RS232 INPUTS 5 VRMS MAX 100-240 V AC[...]

Chapter 1 Getting Started 58502A Broadband Di stributi on Amplifier at a Glance User ’s Guid e 1 -3 NOTE See Chapter 3, “Feat ures and Functi ons,” for a detai led discu ssion of the i tems desc ribed below. 1 When the Power ind icator lights , it indicate s that th e proper in put power is su pplied to the 58502 A. 2 When the Alarm indicator[...]

Chapter 1 Getting Star ted Preparing t he Distributi on Amplifier for Use 1-4 User ’s Gui de Preparing the Distribution Amplifier for Use To Mount the 58502A Into an E quipment Rack (U sing Option AX4) 1 Position the 58502A on your work surf ace with the front panel faci ng you. 2 As shown in Figure 1-1, place the long side of an angle bracket ( [...]

Chapter 1 Getting Star ted Connecting a T erminal or Computer to the 58502A User ’s Guid e 1 -5 To Connect AC Power The nominal ac input range is 100-132, 175-240 Vac, 47-63 Hz, 40 VA. The power module or jack senses the incoming voltage and automatically s elects t he proper setup. Just connect the p roper ac power usin g th e sup plied power co[...]

Chapter 1 Getting Star ted Connecting a T erminal or Computer to the 58502A 1-6 User ’s Gui de to communicate via the RS-232 serial port . Most PCs contain a terminal emulatio n program, e specially PCs equi pped with Windows. If your PC does not contain a telecommunic ation program, purchas e one of the following programs: PROCOMM PLUS (DATASTOR[...]

Chapter 1 Getting Star ted Connecting a T erminal or Computer to the 58502A User ’s Guid e 1 -7 To Configure Terminal C ommunications for NT 4.0 ® /Windows ® 95-Bas ed PC 1 In the NT (or Windows 95) main window, click the Start butt on then sele ct Programs . 2 Sele ct Accessories , Hyperter minal , and Hyper T erminal . The Connection Descri p[...]

Chapter 1 Getting Star ted Connecting a T erminal or Computer to the 58502A 1-8 User ’s Gui de To Configure Terminal C ommunications for Windows ® -Based PC 1 Select or double click on the Terminal icon (a picture of a PC with a telephone in fro nt of it) in the Accesso ries window. 2 Sele ct Settings, then choos e Communicati ons . A dialog box[...]

Chapter 1 Getting Star ted Powering Up t he Distributi on Amplifier User ’s Guid e 1 -9 Powering Up the Distribution Amplifier Overview of the Power-Up Procedure (Wha t to Expect) When you power up the 58502A Distribut ion Amplifier for the first time, you should e xpect it to run thro ugh the follo wing sequence: • front-p anel Alarm indicato [...]

Chapter 1 Getting Star ted Powering Up t he Distributi on Amplifier 1-10 User ’s Gui de Figure 1-3. Input s and Outputs Connections For Y our System (T erminal or PC is Optional ) HP 24542U, F1047-80002 or equivalent Interface cable (DTE) RS232 Port (DTE) Input (s) Outputs to System AB 1234567891 0 1 1 1 2 5 VRMS MAX 100-240 VAC 50/60GHz 40 VA Ma[...]

Chapter 1 Getting Star ted Using Commands to Control Key Functi ons (Examples) User ’s Gui de 1-1 1 Using C ommands to C ontrol Key Fu nctions (Examples) Overview This section provid es you with specific program command examples that perf orm particular t asks. Enter the examples at the scpi> prompt exactly as they appear to avoid creating an [...]

Chapter 1 Getting Star ted Using Commands to Control Key Func tions (Examples) 1-12 User ’s Gui de Setup Commands for th e Different Distribu tion Applications Distributin g One Input Signal (A or B) To deter mine which inp ut channel is active: enter I NP:A:QUES? , an d press Retur n, or enter INP:B:QUES? , and press Ret urn. If 0 is returned, i[...]

Chapter 1 Getting Star ted Using Commands to Control Key Functi ons (Examples) User ’s Guid e 1 -13 T o Check the Input Channel Automatic Switching Status Enter INP:SEL:AUT O? , and pr ess Return. If 0 is returned, automa tic switching is disa bled. If 1 is returned, automatic s witching is e nabled. T o Enable the Input Channel Automatic Switchi[...]

Chapter 1 Getting Star ted Using Commands to Control Key Func tions (Examples) 1-14 User ’s Gui de Distributing of the Backup Oscillat or (Option 010) Signal Only Just app ly ac power to the 58 502A. After powerup, al low the o scillator to warm up for 5 minutes before using the signal. You do not have to send a command. The oscill ator will prov[...]

Chapter 1 Getting Star ted Using Commands to Control Key Functi ons (Examples) User ’s Guid e 1 -15 T o Check Instrument Identifi cation Enter *IDN? , and press Return. A quoted identif ication st ring is returned, simi lar to the following: HEWLETT -PACKARD, 5 8502A ,3426A–001 23,3422 – A T o Clear the Er ror Queue Enter *CLS , and press Ret[...]

Chapter 1 Getting Star ted Using Commands to Control Key Func tions (Examples) 1-16 User ’s Gui de T o Set Baud Rat e, Pacing, Parity , and Dat a Bits To set the baud rate, for example, to 19200, enter SYST :COMM:SER:BAUD 19200 and press Return. To set p acing, f or example, to XON ent er SYST :COMM:SER:P ACE XON and press Return. To see how pa c[...]

2 Performance Tests Verifying Specif ications[...]

Chapter 2 Performance T ests Introducti on 2-2 User ’s Gui de Introduction This chapter pr ovides proced ures to test the electr ical performance of the 58502A Dis tribution Ampli fier specif ications li sted in Chapte r 7, “This chap ter provides electrical specifi cations and supplementa l characteri stics for the 58502 A Broadband Distr ibut[...]

Chapter 2 Performance T ests Introducti on User ’s Guid e 2 -3[...]

Chapter 2 Performance T ests T est Equipment Requir ed 2-4 User ’s Gui de Test Equi pment Required T able 2-1. Recommended T est Equipment Instrument Required Characte ristics Recomme nded Model Use * * C= Calibration (Option 010 only) OV = Operational V erification P = Perfor mance T ests Signal Generator Frequen cy Ra nge: 100 k Hz to 10 MHz Ou[...]

Chapter 2 Performance T ests 58502A Opera tional V erification User ’s Guid e 2 -5 58502A Oper ationa l Verifica tion These following proc edures check the st andalone functional ity of the 58502A Broadband Distributio n Amplifier. Equipment • Signal Gene rator: HP 86 63A • Oscilloscope: HP 54600B • 50 Ω BNC Feedthrough: HP 10100C (Use th[...]

Chapter 2 Performance T ests 58502A Opera tional V erification 2-6 User ’s Gui de 3 Connect the equipment as shown i n Figure 2-1. ( Connect the Signal Generator outp ut to the 58502A’s input A or B rear- panel in put, and connect o scilloscope Channel 1 t o output 1 port of the 58502A. Figure 2-1. Operat ional V erificati on Setup 4 Verify tha[...]

Chapter 2 Performance T ests 58502A Opera tional V erification User ’s Guid e 2 -7 Alarm and Status Outpu t Verification 1 Connect the equipment as shown in Figure 2-2, using output 12 as the test outpu t. (Note that any one of the outp uts can be used for this alarm veri fication .) Figure 2-2. Alar m/Status Output V erification Set up 2 Verify [...]

Chapter 2 Performance T ests 58502A Opera tional V erification 2-8 User ’s Gui de Figure 2-4. ALARM/ST A TUS Port If th e Alarm indica tor illumina tes and outp ut pins 2, 3, and 4 go low, then all as soc iate d ALARM/ST A TUS output c ircuitry is functional. 4 Mark Pass or Fail in Line 2 on t he Operational Verificatio n portion of the 58502A Pe[...]

Chapter 2 Performance T ests 58502A Opera tional V erification User ’s Guid e 2 -9 RS-232 Verification (Opti onal) NOTE You may skip this verif ication if you do not pl an to use the RS 23 2 port. 1 Apply the proper power source to the rear -panel AC input jack of the Distributio n Amplifier. 2 If you are using the Distri bution Amplifie r with a[...]

Chapter 2 Performance T ests 58502A Opera tional V erification 2-10 User ’s Gui de 4 Set the RS-232 port of your PC to match t he following d efault val ues: If needed , see “ Connecting a Ter minal or Computer to the 5 8502A” starting on page 1-5 in Chapter 1 for informatio n on sett ing above paramete rs. a. Press Return (o r Enter) key on [...]

Chapter 2 Performance T ests 58502A Performance T ests User ’s Gui de 2-1 1 58502A Per formance Tests These tests verif y the specified elec trical perfo rmance of the 58502A Distributio n Amplifier. The tests do not requi re access to the inside of the instrument and do not test t ypical specifica tions or supple mentary characteri stics. If the[...]

Chapter 2 Performance T ests 58502A Performance T ests 2-12 User ’s Gui de Test 1: +7 dBm Input L evel 1 Apply power to the 5 8502A and observe succes sful completion of self- test. 2 Set the si gnal generator to: FREQUENCY: 10 MHz LEVEL: +7 dBm 3 Connect the signal generat or output to the 58502A input A or B rear- panel input connector as shown[...]

Chapter 2 Performance T ests 58502A Performance T ests User ’s Guid e 2 -13 Test 2: +15 dBm Inp ut Level 1 Using the s ame test setup (see Fig ure 2-6) and the RMS voltm eter sti ll set to 3V Full Scale Range, adjust t he signal gener ator to: LEVEL: +15 dBm 2 Verify that the RMS voltage on each of the twelve Output s is from 0.707 to 1.12 Vrms. [...]

Chapter 2 Performance T ests 58502A Performance T est Record (Page 1 of 2) 2-14 User ’s Gui de 58502A Per formance Test Record (Page 1 of 2) Model 585 02A Broadband Distribution Ampl ifier Serial Numb er:_______ ________ ______ ________ __ Repair/ Work Order No. ________ ________ __ Test Pe rformed By:___ ________ ______ ________ __ Temperature: [...]

Chapter 2 Performance T ests 58502A Performance T est Record (Page 2 of 2) User ’s Guid e 2 -15 58502A Per formance Test Re cord (Page 2 of 2) 58502A Performance Tests (Continued) Input Level Re sponse Tests ( Continued) Test 2: +15 dBm Input Level Minimum Actual R eading (Output s 1 – 12) Maximum 0.707 Vrms < 1. ____ ________ _________ ___ [...]

Chapter 2 Performance T ests 58502A Calibr ation (Option 010 Only) 2-16 User ’s Gui de 58502A Cali bration (Option 01 0 Only) This section provides procedure s to perform routine periodic calibration of the Option 010 Broadband Distribution Amplif ier. Overview The following proced ure uses software comman ds to calibrate the oscillato r. NOTE Th[...]

Chapter 2 Performance T ests 58502A Calibr ation (Option 010 Only) User ’s Guid e 2 -17 Equipment • 10 MHz Primary Frequency or House Standard: HP 5071A (or equivalent) • Terminal or compute r (PC): Any Model with communicat ion software and RS-232 conne ction • HP 53131A U niversal Counter ( or equiva lent) • HP 24542U (or F1047-800 02) [...]

Chapter 2 Performance T ests 58502A Calibr ation (Option 010 Only) 2-18 User ’s Gui de Figure 2-7. 58502A Cali bration Setup 4 Observe Counter reading. If diff erence from 10 MHz is < 5 × 10 − 8 (0.5 Hz), t hen per form the “Software Oscillat or Adjustment” procedur e below. Software Oscillator Adjustment 1 Use the terminal and serial p[...]

Chapter 2 Performance T ests 58502A Calibr ation (Option 010 Only) User ’s Guid e 2 -19 2 Use the terminal and serial po rt to send one of the following SCPI commands to incremental ly adjust the EFC control signal to bring the oscillato r frequency closer to 10 MHz: DIAG:CAL:ROSC:EFC:ABS UP (or) DIAG:CAL:ROSC:EFC:ABS DOWN Where UP increase s fre[...]

Chapter 2 Performance T ests Calibration Re cord (Page 1 of 1) 2-20 User ’s Gui de Calibrati on Record (Pag e 1 of 1) Model 585 02A Option 010 Broadba nd Distribution Amplifier Serial Numb er: ________ ________ ______ _____ Repai r/Work Ord er No. _____ ________ ____ Test Performed By: _ ________ _________ _____ T emperature: ____ ______ ________[...]

3 Features and Function s[...]

Chapter 3 Features and Functions Chapter Contents 3-2 User ’s Gui de Chapter Contents You will find that this chapter makes it easy to look up all the details about a particular feature of the 58502A Broadband Distribution Amplifier. This chapt er is organized as follo ws: • Inputs page 3-3 – AC Input page 3-3 – INPUTS A and B Ports page 3-[...]

Chapter 3 Features and Functions Inputs User ’s Guid e 3 -3 Inputs AC Input This rear -panel ac power module o r jack sens es the incoming volt age and automatical ly selects t he proper setu p. The nominal ac input r ange is 100-132, 175-2 40 Vac, 47-63 Hz, 40 VA. INPUTS A and B Ports These rear-p anel 50 Ω BNC input connectors or ports allow [...]

Chapter 3 Features and Functions Outputs 3-4 User ’s Gui de ALARM/STATUS Port Thi s DE -9P (m ale ) sub mi niat ure D connector or port allows you to monitor the status of the 58502A via pins 2, 3, and 4 (see Table 3-1). This por t also allows you to rece ive compatible BITE (Built In Test Equipment) alarm inputs from the 58503A GPS Time and Freq[...]

Chapter 3 Features and Functi ons Outputs User ’s Guid e 3 -5 ALARM/STATUS Po rt Inputs The input pins (6 and 7) o f this port are shown in Figure 3-2. The input pins are a TTL high (3.5 Vdc, minimum) when operation is normal, and TTL low (1.5 Vdc, maximum) if there is an alarm. Figure 3-2. Alar m Inputs Always connect the input A inpu t devi ce [...]

Chapter 3 Features and Functions Indicator s 3-6 User ’s Gui de Indicators Power Indicator This indicator lights when the input power is supplied to the 58502A. The indicat or cannot b e set or queried via the seria l interface . Alarm Indicator This indicator lights when an alarm is detected in the distri bution system. Illumination of this indi[...]

Chapter 3 Features and Functi ons Serial I nterface Por ts User ’s Guid e 3 -7 Serial Interface Ports RS-232 Port This 9-pin male subminiature D (DE-9P) rear- panel connector is a RS-232 DTE configuration serial int erface port. It allows serial interface connection to an external comput er for remote operat ions. Thi s seri al in te rface port a[...]

Chapter 3 Features and Functions Serial I nterface Por ts 3-8 User ’s Gui de Making Chan ges to the Serial Port Settings (If Need ed) CAUTION If you ch ange the seria l port set tings, your chan ges will be stored i n the 5 8502A. Cyclin g power w ill not reset to factor y defaults. Therefore, if you make a change, it is recommended that you reco[...]

Chapter 3 Features and Functions Connecting a T erminal or Computer User ’s Guid e 3 -9 Issue the following queries to the serial port to verify its configurat ion. SYST: COMM:S ER: PACE? SYST: COMM:S ER: BAUD? SYST: COMM:S ER: PARITY ? SYST: COMM:S ER:BIT S? SYST: COMM:S ER:SB ITS? Connecting a Terminal or Computer To conn ect the 585 02A to a t[...]

Chapter 3 Features and Functions Connecting a T erminal or Computer 3-10 User ’s Gui de Figure 3-3. Connect ing a PC or T erminal to the 58502A HP 24542U, F1047-80002 or equivalent Interface cable (DTE) RS232 Port (DTE) AB 1234567891 0 1 1 1 2 5 VRMS MAX 100-240 VAC 50/60GHz 40 VA Max ! ! ! 58502A Distribution Amplifier Terminal or PC[...]

Chapter 3 Features and Functions Different W ays to Check Alarm Status User ’s Gui de 3-1 1 Different Ways to Check Alarm Status The 58502A pr ovides thre e ways to check its alarm s tatus: vi sually viewing the front-pa nel indicators, querying for status via the RS232 port, and mo nitoring the ALARM/ST A TUS port. Configurin g the Inputs The 58[...]

Chapter 3 Features and Functions Configuring th e Inputs 3-12 User ’s Gui de To Configure the Internal Oscillator as a Ba ckup (Option 010) Connect the input signal t o input A . Then connect the 58502A to ac power. The internal oscillator will provid e the sour ce signal f or the 58502A onl y if input A signal fails. After powerup, allow the osc[...]

4 Command Reference[...]

Chapter 4 Command Reference Chapter Contents 4-2 User ’s Gui de Chapter Contents This chapte r provides a de scription for each command t hat can be used to operate the 58502 A Broadband Distributio n Amplifier. This chapt er is organized as follo ws: • SCPI Conformance page 4-3 – Command Syntax Con ventions page 4-3 – IEEE 488.2 Common Com[...]

Chapter 4 Command Reference SCPI Conformance Informati on User ’s Guid e 4 -3 SCPI Conformance Information The Standard Command s for Programmable Instruments (SCPI) commands used in the 58502A are in conformance with the SCPI Standard Vers ion 1992.0. Command Syntax Conve ntions IEEE 488.2 Common Comm ands The Common Commands are general purpose[...]

Chapter 4 Command Reference 58502A Command Summary 4-4 User ’s Gui de 58502A Comma nd Summary Table 4-1 lists and briefly de fines all of t he commands that can be used to operate the 58502 A. T able 4-1. 5850 2A Command Sum mary Keyword/Syntax Parame ters Descrip tion *CLS C lears error queue. *IDN? ret urns unq uoted string Returns identifi cat[...]

Chapter 4 Command Reference 58502A Command Summary User ’s Guid e 4 -5 T able 4-1. 5850 2A Command Sum mary (Conti nued) Keyword/Syntax Pa ramete rs Desc ription INPut (Continued) INPUT S ubsystem (Continue d) :AU TO :AUTO? append 0 or OFF , or 1 or ON return s 0 or 1 Enable s or disabl es the automati c input switc hing featur e. 0 or OFF di sab[...]

Chapter 4 Command Reference System Status Reporting Commands 4-6 User ’s Gui de System Sta tus Report ing Commands *CLS This command clears the error queue . ALARm? This query returns ala rm status of the 58502A. Returns a single character , 0 or 1. A value of 0 indicates alarm is off ; a value of 1 indicates alarm is on. If any of the outputs ar[...]

Chapter 4 Command Reference System Status Reporting Commands User ’s Guid e 4 -7 OUTPut:QUEStionable[ :UNPacked]? This query retur ns the st atus on each output (l owest numbered output to hig hes t). Returns array of Boole an. 0 = signal at output; 1 = no signal at output. Same result as PACKed? (see prior command), bu t informat ion on each out[...]

Chapter 4 Command Reference Identificat ion Command 4-8 User ’s Gui de Identification Command *IDN? This query returns t he 58502A ident ification. A sequence of ASCII -encoded bytes: HEWLETT-PACKARD, 58502A, XXXXY–ZZZZZ, WWWW – V where 58502A is the produc t model number, XXXXYZZZZZ is the product seria l number, and WWWW is the product ’s[...]

Chapter 4 Command Reference Internal Oscillator Calibrating and Status Commands ( Option 010 Only) User ’s Guid e 4 -9 Internal Oscillator Calibra ting and Status Commands (Option 01 0 Only) DIAGnostic:CALi bration:ROSCillat or:EFC:ABSolute UP | DOWN This command sets the absolute EFC (electronic f requency contr ol) of the osc illator. Use UP or[...]

Chapter 4 Command Reference Internal Oscillator Calibrating and Status Commands ( Option 010 Only) 4-10 User ’s Gui de [SOURce]:ROSCillator :W ARM? This query report s if the internal osci llator is warmed up. Returns a single character , 0 or 1. A value of 0 indicates osc illator is not warm. A value of 1 indicates osc illator output is warm.[...]

Chapter 4 Command Reference Input Port Status and Setup Commands User ’s Gui de 4-1 1 Input Port Status and Setup Commands INPut:A:QUESti onable? This query report s if there is a signal pres ent on input A. Returns a single character , 0 or 1. A value of 0 indicates signal is present (not questionable) . A value of 1 indicates no signal is prese[...]

Chapter 4 Command Reference Input Port Status and Setup Commands 4-12 User ’s Gui de INPut:SELect? This query indicates whi ch input is selected as the sourc e input. Returns single charact er, A or B. INPut:SELect:AUT O 0 | 1 This command enables or disables the automat ic input switching feature. This setting is stored in non-vol atile memory. [...]

Chapter 4 Command Reference Serial Inte rface Communicat ion Commands User ’s Guid e 4 -13 Serial Inter face Communic ation Commands SYST em:COMMunicate:SERial:BAUD <numeric_value> This command s ets the baud rate of the RS-232 port. The possible baud rate values that can be entered are 1200, 2400, 9600, or 19200. The baud rate value is sto[...]

Chapter 4 Command Reference Serial Inte rface Communicat ion Commands 4-14 User ’s Gui de SYST em:COMMunicate:SERial:FDUPlex? This query returns t he duplex s tate of the RS-232 port . Returns a single character , 0 or 1. A value of 0 indicates echo is OFF; a value of 1 indicates echo is ON. SYST em:COMMunicate:SERial:P ACE XON | NO NE This comma[...]

5 Functional Description[...]

Chapter 5 Functional Description Introducti on 5-2 User ’s Gui de Introduction This chapter gives a simplified functio nal descripti on of the 58502A Broadband Distributio n Amplifier. The 58502A pro vides twelve-channel is olation and distr ibution for a input timing signal, which frequency can range from 100 kHz to 10 MHz.[...]

Chapter 5 Functional Description Functional Block Descript ion of the 585 02A User ’s Guid e 5 -3 Functional Block Description of the 58502A The 58502A electronic cir cuits consist of five primary bloc ks: • Controller • Panel LEDs •2 - t o - 1 S w i t c h • 1-to-12 Amplifiers and Is olators • Power Supply Module Figure 5-1 is a simplif[...]

Chapter 5 Functional Description Functional Block Descript ion of the 585 02A 5-4 User ’s Gui de Controller Block This block provides remote ins trument management via commands transfer red through the RS-232 serial por t. It also provides hardwar e output al arm signals via the Alarm/Sta tus connector that go act ive when the co ntroller blo ck [...]

Chapter 5 Functional Description Functional Block Descript ion of the 585 02A User ’s Guid e 5 -5 1-to-12 Amplifiers and Isol ators Block This block consists of twelve separate individual isolatio n amplifiers that acco mplish the d istribution of the source fr equency (ranging fr om 100 kHz to 10 MHz) into twelve available output channels with v[...]

Chapter 5 Functional Description Functional Block Descript ion of the 585 02A 5-6 User ’s Gui de[...]

6 Service[...]

Chapter 6 Service Introducti on 6-2 User ’s Gui de Introduction This chapter pr ovides the informati on required to deter mine if the 58502A Broadband Distributio n Amplifier i s faulty. Determ ining 5 8502A Fault Stat us Use the following pr ocedure to determine f ault stat us of t he 58502A Distri bution Amplifier . 1 Perform the Power-on Se lf[...]

7 Specif ications[...]

Chapter 7 Specifi cations Introducti on 7-2 User ’s Gui de Introduction This chapter pr ovides electri cal specification s and supplemental characteri stics for the 58502 A Broadband Distr ibution Amplifier . Electrical speci fications des cribe the instrument’s warranted performance . Supplemental character istics are intended to provide infor[...]

Chapter 7 Specific ations Introducti on User ’s Guid e 7 -3 Electrical Spe cifications Input, A or B Frequency Rang e: 0.1 MHz to 10 MHz Impedance: 50 Ω nominal SWR < 1.5 Amplitude: +15 dBm maximu m +7 dBm m inimu m Connector : BNC (female) Ou tputs (int o 50 Ω ) Amplitude : +13 dBm, +1 dB/ − 3 dB Harmonics: < − 32 dBc (for Option 0[...]

Chapter 7 Specifi cations Introducti on 7-4 User ’s Gui de[...]

User ’s Guide Index-1 Index SYSTEem COMMunicate SERial1 BAUD? , 4-13 SYSTem COMMunicate BAUD? , 4-13 BITS? , 4-13 FDUPle x? , 4- 14 PACE? , 4-1 4 PARity? , 4-1 4 SERial BAUD , 4-1 3 FDUPle x? , 4- 14 PACE , 4-14 PACE? , 4-1 4 SERial1 BITS? , 4-13 FDUPle x , 4-13 PARity , 4-14 PARity? , 4-1 4 SYMBOLS (PORT†2 , 4-13 , 4-14 *CLS , 4-6 *IDN? , 4-8 [...]

Index Index-2 User ’s Gui de SYSTem:COMMunicate:SERial:BAUD , 4-13 SYSTem:COMMunicate:SERial:BAUD ? , 4-13 SYSTem:COMM unicate:SERial:BIT S? , 4-13 SYSTem:COMM unicate:SERial:FD UP lex , 4-13 SYSTem:COMM unicate:SERial:FD UP lex? , 4-14 SYSTem:COMMunic ate:SERial:PACE , 4-14 SYSTem:COMMunic ate:SERial:PACE ? , 4-14 SYSTem:COMM unicate:SERial:PARi[...]

Index User ’s Guide Index-3 Input B indicator , 1-3 input ch anne l , 4-5 input channe ls , viii Inpu t Leve l Resp onse Test , 2-11 input ports , viii inpu t A , viii inpu t A , 3-3 Input A indicator , 3-6 inpu t B , viii , 3-3 Input B indicator , 3-6 INPut:A:QUEStionable? , 4-1 1 INPut:ALARM? , 4-11 INPut:SELect , 4-11 INPut:SELect:AUTO , 4-12 [...]

Index Index-4 User ’s Gui de RS-232 port factory default values , 3-7 setting , 1-7 , 1-8 RS-232 serial in terface port , 1- 3 RS232C interfac e , 4-13 , 4-14 RS-232C parameters , 3-7 Rubidium , viii S seco nda ry i nput si gnal , 3-1 1 sel f-tes t , 1-9 serial inte rface cab les , 3-9 serial inte rface ports , 3-7 seri al num ber , 4-8 seri al p[...]