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Odetics

 Telecom

GPStar

plus

  

Model 365

365-8006

iv

2.7 ELECTRICAL SIGNALS..................................................................................2-7

2.7.1 Reference Frequency Output ...............................................................2-7

General Characteristics .............................................................................2-7
Oscillator Option -1 Characteristics (Standard Quartz) .............................2-8
Oscillator Option -2 Characteristics (High Performance Quartz)...............2-8
Oscillator Option -3 Characteristics (Rubidium) ........................................2-9

2.7.2 1 PPS Output .....................................................................................2-11

2.7.3 Pulse Rate Output ..............................................................................2-12

General Characteristics ...........................................................................2-12
Pre-Programmed Output Characteristics.................................................2-13
User Programmed Output Characteristics ...............................................2-13

2.7.4 Event Trigger Output ..........................................................................2-14

2.7.5 Time Tag Input ...................................................................................2-15

2.7.6 Time Code Output ..............................................................................2-16

Modulated Carrier Output ........................................................................2-16
DC-Shift Output .......................................................................................2-16

2.7.7 Control/Monitor and TOD Port............................................................2-17

Interface Connections..............................................................................2-17
Control/Monitor Port Details ....................................................................2-18
Time Of Day Port Details .........................................................................2-18
Status Output Details...............................................................................2-20

2.7.8 Other Options .....................................................................................2-21

High Frequency Synthesizer Output (Other Option -1) ...........................2-21
Low Frequency Synthesizer Output (Other Option -2) ............................2-24
ECL Frequency Synthesizer Output (Other Option -3) ............................2-26
13 MHz Sinusoid Output (Other Option -4) .............................................2-29

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Содержание GPStarplus 365

Страница 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Страница 2: ...Firmware 365 3003 Version X4 00 03 X4 10 02 and Up Document 365 8006 Revised July 29 1999 ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Odetics Telecom 1585 S Manchester Avenue Anaheim CA 92802...

Страница 3: ...bility for any errors contained herein and reserves the right to make changes to this manual and related equipment without notice or obligation THIS PRODUCT IS NOT AUTHORIZED FOR USE AS A CRITICAL COM...

Страница 4: ...art 2 1 Time Locked 2 2 Coasting 2 2 Recovering 2 3 Disciplining Period 2 3 2 2 2 Operating Characteristics 2 3 2 3 MECHANICAL 2 4 2 4 ENVIRONMENTAL 2 4 2 5 POWER REQUIREMENTS 2 5 2 5 1 Power Supply O...

Страница 5: ...med Output Characteristics 2 13 2 7 4 Event Trigger Output 2 14 2 7 5 Time Tag Input 2 15 2 7 6 Time Code Output 2 16 Modulated Carrier Output 2 16 DC Shift Output 2 16 2 7 7 Control Monitor and TOD P...

Страница 6: ...on 3 2 Antenna Cable 3 3 In Line Amplifier 3 4 Lighting Protection 3 4 Weather Proofing 3 4 Antenna Assembly 3 5 3 4 2 Chassis Installation 3 6 3 4 3 Connecting a Computer or Modem 3 6 Section 4 Getti...

Страница 7: ...Leap Second Status 5 15 5 4 2 MENU 2 POSITION 5 16 Antenna Position Mode Selection 5 17 Position Average and GDOP Status 5 18 5 4 3 MENU 3 EVENT TRIGGER TIME TAG 5 19 Event Trigger Output Selection 5...

Страница 8: ...IPTIONS 5 28 High Frequency Direct Digital Synthesizer Other Option 1 5 28 Low Frequency Direct Digital Synthesizer Other Option 2 5 29 ECL Direct Digital Synthesizer Other Option 3 5 31 Artisan Techn...

Страница 9: ...Odetics Telecom GPStarplus Model 365 365 8006 viii This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 10: ...ABLE OPTIONS OPTION DESCRIPTION OSCILLATOR CONFIGURATION Oscillator 2 High Stability Quartz Ovenized 3 Low Profile Rubidium POWER CHASSIS CONFIGURATION Power 1 85 264 VAC 47 440 Hz 2 20 60 VDC Not com...

Страница 11: ...Odetics Telecom GPStarplus Model 365 365 8006 x This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 12: ...Enter GPStarPLUS TIME AND FREQUENCY SYSTEM 0 OdeticsTELECOM X X X X 1 OUT 2 3 A B 1PPS OUT 5 10 MHz IN EVTRG TAG CODE OUT AC DC ANT I O IN 0 1 95 260 VAC CONTRAST Typical unit configuration shown with...

Страница 13: ...Odetics Telecom GPStarplus Model 365 365 8006 xii This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 14: ...s one Time Tag input one user programmable Event Trigger output one AC Time Code output with three user selected code formats one DC Shift Time Code output format as selected for AC output three indep...

Страница 15: ...S A Selective Availability is the method used by the United States Department of Defense to degrade the accuracy of the C A code It is designed to prevent hostile forces from using the GPS system effe...

Страница 16: ...al GPS receiver is operating in Warm Start and has locked on GPS time the oscillator disciplining starts immediately after the warm up period If the internal GPS receiver is operating in Cold Start th...

Страница 17: ...ned to retain the accuracy of the output signals The timing output accuracy is indicated by the Time Figure Of Merit TFOM In the first stage of this mode the TFOM is the same value as that while opera...

Страница 18: ...iscipline the oscillator The estimator filters out the short term variations inherent in the GPS 1 PPS 2 2 2 OPERATING CHARACTERISTICS Initial Acquisition Time Receiver in Cold Start 60 minutes to acq...

Страница 19: ...n a standard 19 equipment enclosure The adapters also function as handles 2 4 ENVIRONMENTAL GPStarplus Operating Altitude 300 m to 4000 m Storage Altitude 300 m to 9000 m Operating Temperature 0 0 C t...

Страница 20: ...ction Internally fused Steady State Current 20 VDC input 1 3 A maximum Isolation Voltage Input to ground 500 Vdc Isolation Voltage Input to Output 500 Vdc Connector MS3102Fl4S 7P Mating Connector supp...

Страница 21: ...ntenna to the unit and to supply a dc voltage to the LNA The circuitry of the unit s internal receiver is can sustain a short between the antenna interface connector and ground for a period of 10 seco...

Страница 22: ...oscillator option installed in the unit Currently available oscillator options are Standard Quartz 1 High Stability Quartz 2 and Low Profile Rubidium Oscillator 3 2 7 1 1 General Characteristics Conne...

Страница 23: ...dBc 1 Hz Bandwidth 1 Hz 95 dB 10 Hz 110 dBc 100 Hz 115 dBc 1 kHz 120 dBc 10 kHz 2 7 1 3 Oscillator Option 2 Characteristics High Performance Quartz The following additional Reference Frequency Output...

Страница 24: ...o units configured with Oscillator Option 3 Accuracy Error Time Locked 5 X 10 12 1 day average Aging During Coasting 2 X 10 11 day Short Term Stability Time Locked or Coasting tau 1 sec 100 sec 5 X 10...

Страница 25: ...Odetics Telecom GPStarplus Model 365 365 8006 Specifications 2 10 This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 26: ...thin 25 meters the internal oscillator has been disciplined the proper antenna cable delay has been selected and Selective Availability SA is active Connector Identification 1 PPS Connector Type BNC F...

Страница 27: ...1 second 2 7 3 1 General Characteristics Connector Identification OUT A and B Number of Outputs 2 Connector Type BNC female Output Drive High Level 2 0 V into a 50 load 3 0 V open circuit Low Level 0...

Страница 28: ...cle Square Wave Mode 50 Duty Cycle Rate Selection 10 PPS 20 PPS 50 PPS 100 PPS 1k PPS 10k PPS 100k PPS Note The pre programmed 1 PPM 1 PPS and 1M PPS rate can not be selected as a square wave 50 duty...

Страница 29: ...rcuit Low Level 0 5 V into a 50 load Rise Fall Time 10 to 90 points 10 ns Synchronization Reference Synchronized within 100 ns to 1 PPS Output at initialization of output Polarity Rising Normal or fal...

Страница 30: ...ieved through the RS 232 control interface port Connector Identification TAG IN Number of Inputs 1 Connector Type BNC female Input Voltage Range Normal 0 5 Vdc to 5 0 Vdc Maximum 20 Vdc to 25 Vdc Inpu...

Страница 31: ...2 control interface port 2 7 6 1 Modulated Carrier Output Connector Identification CODE OUT AC Number of Outputs 1 Connector Type BNC female Code Format IRIG A IRIG B IRIG G user selected Mark Amplitu...

Страница 32: ...onnector DA15P is supplied in the unit s shipping kit The following table identifies the connector contact numbers and signals present at each contact CONTROL INTERFACE CONNECTOR PIN DESIGNATION CONTA...

Страница 33: ...nation Port 1 Control Signal Levels RS 232 compatible Baud Rate user selected 9600 19200 38400 Data Bits 8 Stop Bits 1 Parity None 2 7 7 3 Time Of Day Port Details The TOD message is generated every s...

Страница 34: ...59 Seconds into the minute M 1 5 Time Mode where 1 GPS Time 2 UTC Time 3 LGPS Local GPS Time 4 LUTC Local UTC Time 5 MAN Manual Time T 4 9 TFOM Time Figure Of Merit where the Estimated Time Error ETE...

Страница 35: ...it The signal on connector pin 11 is active and can be used by external equipment to indicate the Time Lock status of the unit I 0 Connector Contact Number 11 Circuit Type Open drain TMOS FET Function...

Страница 36: ...s well as commands through the RS 232 control interface port One 1 single ended output port one 1 sinusoid output port and Four 4 differential output ports are provided The user can enable or disable...

Страница 37: ...kHz to 15 MHz user selected in 5 Hz steps Output Enable Disable User selected Jitter 5 ns RMS at 1 MHz 10 ns RMS at 1 MHz Rise Fall Time 10 to 90 points 15 ns Compatibility RS 485 and RS 422 Common M...

Страница 38: ...lected in 5 Hz steps Amplitude into a 50 load Frequency dependent 100 kHz to 9 MHz 13 0 5 dBm 9 MHz to 15 MHz 5 dBm 13 dBm Spurious Signals 6 dBc at 30 kHz Output frequency 500 kHz to 10 MHz 20 dBc at...

Страница 39: ...orts are provided The user can enable or disable the differential output port by means of the front panel keypad as well as through the RS 232 control interface The single ended output ports can not b...

Страница 40: ...ve Frequency 1 kHz to 150 kHz user selected in 1 Hz steps Output Enable Disable User selected Jitter 5 ns RMS at 1 MHz 10 ns RMS at 1 MHz Rise Fall Time 10 to 90 points 15 ns Compatibility RS 485 and...

Страница 41: ...user can enable or disable the sinusoid output port by means of the front panel keypad as well as through the RS 232 control interface The ECL and TTL output ports can not be disabled The ECL output...

Страница 42: ...C Pin 9 N C Mating Connector Type D Subminiature DE9S Wave Shape Square wave Frequency 100 kHz to 15 MHz user selected in 5 Hz steps Coupling AC Jitter 5 ns RMS at 1 MHz 10 ns RMS at 1 MHz Rise Fall T...

Страница 43: ...lected in 5 Hz steps Amplitude into a 50 load Frequency dependent 100 kHz to 9 MHz 13 0 5 dBm 9 MHz to 15 MHz 5 dBm 13 dBm Spurious Signals 6 dBc at 30 kHz Output frequency 500 kHz to 10 MHz 20 dBc at...

Страница 44: ...tor Identification 13 MHz Connector Type BNC female Wave Shape Sinusoid Frequency Accuracy Same as Reference Frequency Output Paragraph 2 7 1 Amplitude 16 8 1 0 dBm 3 9 Vpp to 4 9 Vpp into a 50 load S...

Страница 45: ...Odetics Telecom GPStarplus Model 365 365 8006 Specifications 2 30 This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 46: ...3 INSTALLATION OVERVIEW Installation consists of mounting the antenna at a location that is not shrouded by taller buildings trees or other antennas The connection of the unit to the antenna is via 5...

Страница 47: ...t be taken when routing the cable near sources of potential interference such as a power lines high frequency antenna couplers and other transmitting equipment CAUTION Be careful to avoid contact with...

Страница 48: ...following table indicates the maximum length of recommended cable type when used with the antenna supplied in Odetics P N 0810137 antenna kit Cable Type Max Length Comments RG 58 Belden 9311 150 ft 4...

Страница 49: ...lightning arrester part number IS MR50LNZ 6 is available from PolyPhaser Corporation Minden Nevada USA In order to be effective the arrester must be connected to earth ground using a very low inductan...

Страница 50: ...quired for pole and flat surface mounting Figure 3 1 shows the antenna configured for mounting on a pole 5 9 159 mm TNC Antenna Connector Internal Thread 1 14 3 6 91 mm Diameter Figure 3 1 Standard An...

Страница 51: ...m a DC power source fabricate the input power cable using the supplied mating connector The connector pin designation is as follows PIN FUNCTION A Chassis Ground B DC Input C DC Input 3 4 3 Connecting...

Страница 52: ...cument is for illustration only Verify that the external GPS antenna is connected to the rear panel TNC type connector identified with ANTENNA Note Do not apply power unless a fully operational antenn...

Страница 53: ...chronize to GPS and starts to discipline the internal oscillator during the Position Averaging period it is at a reduced accuracy After operating in the Position Averaging mode for a minimum of 1 day...

Страница 54: ...ime Locked During the warm up period the user can select the operating conditions of the unit such as time code output format pulse rate output etc 4 4 ANTENNA POSITION MODE SELECTION At initial power...

Страница 55: ...cursor to properly load the position even if only one element has been changed 4 5 ANTENNA CABLE DELAY COMPENSATION SELECTION For the most accurate timing it is necessary to compensate for the signal...

Страница 56: ...en 9311 RG 59 Belden 9104 RG 213 Belden 8267 and foam dielectric cable such as Heliax manufactured by Andrew Corporation The propagation delay of these cable types is Cable Type Propagation Delay RG 5...

Страница 57: ...Odetics Telecom GPStarplus Model 365 365 8006 Getting Started 4 6 This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 58: ...on only or screens with active data fields that can be changed by the user 5 2 2 Display Cursor When a screen parameter is editable a flashing LCD cursor highlights the display character located at th...

Страница 59: ...After being selected the menu screen will initially only display information The user can alter the displayed information if allowed by pressing the EDIT key Once the editor is activated the user may...

Страница 60: ...etup GPS Receiver Status DAC Status and Control RS 232 Setup Setup Menu Title Mode Firmware Version Information Pulse Rate Output Setup Time Tag Setup Position Average and GDOP Time Mode Local Offset...

Страница 61: ...etics Telecom GPStarplus Model 365 365 8006 Display Menus and Controls 5 4 This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg co...

Страница 62: ...ser can Select the time reference of the output time UTC Local UTC GPS or Local GPS Specify the local time offset from UTC Specify the antenna system delay compensation or internal offset Screen 3 Tim...

Страница 63: ...me Recovery position mode Known Position Averaging or Dynamic Change the Latitude Longitude and Elevation Screen 2 Position Average and GDOP Active only when the Position Averaging mode has been selec...

Страница 64: ...al oscillator the standard error of measurement of the internal timing and the control word sent to the digital to analog converter that controls the frequency of the internal oscillator Through this...

Страница 65: ...tting is the control value sent to the digital to analog converter that controls the internal oscillator The number ranges from 0 to 65535 Caution During normal operation the DAC value should not be a...

Страница 66: ...e Mode Accuracy Time Figure of Merit of timing output Current date and time Synchronization status Satellite tracking information 5 4 1 1 Synchronization Mode Selection Normal Mode Under normal operat...

Страница 67: ...8 The Time Coasting or Time Locked message on Time Menu 1 screen is replaced with Manual and the TFOM value changes to 9 after the Manual Time Mode is enabled Set the Date and Time as follows Use the...

Страница 68: ...te The time and date can be referenced to either UTC or GPS time In order to synchronize to either UTC or GPS time the unit must operate in the normal synchronization mode that is not in the Manual Ti...

Страница 69: ...ffset hours Press the Enter key to accept the selected hours of Local Offset Press the Menu key to exit the edit mode or proceed to the next paragraph 5 4 1 4 Internal Offset Selection The internal of...

Страница 70: ...o provide one of the following user selected time code output signals IRIG A IRIG B or IRIG G Press key 1 until Time Menu 3 of 5 is selected Time Code Selection Time Code Format IRIG A While viewing t...

Страница 71: ...month An hour is normally added on the fourth Sunday of April when Daylight Saving Time goes in effect and an hour is normally subtracted on the fourth Sunday of October when Standard Time goes in eff...

Страница 72: ...in June or December Leap Second adjustments are automatically implemented in the unit When the Leap Second occurrence is armed the unit s UTC time will automatically update within 1 minute after midni...

Страница 73: ...raging mode Position solution data is only used when the GDOP is 5 00 Note Timing accuracy will be degraded while operating in the Position Averaging mode even if the antenna remains stationary This i...

Страница 74: ...ot accurately known Select Known if the antenna position is accurately known Mode Pos Averaging Elev 00000 00 m Lat N 33o 48 6127 Lon W 117o 54 6167 Press the Enter key to accept the selected mode If...

Страница 75: ...ayed position After averaging 86400 samples the mode status automatically changes to Off and the screen becomes inactive The position mode refer to paragraph 5 4 2 1 automatically changes to Known GDO...

Страница 76: ...and use the arrow keys and the numeric keys to select the Start Time of the output pulse Note The entered Start Time must be a future time in order for the Event Trigger function properly Press the En...

Страница 77: ...eginning In the Burst mode time tags are also stored in a buffer When the buffer reaches its limit no additional time tags are stored To select the mode of operation While viewing the Event Trigger Ti...

Страница 78: ...ion Press the Edit key Press the arrow keys to select the frequency of Port 1 1 MHz 5 MHz 10 MHz or Off Press the Enter key to accept the output frequency selection Press the Menu key to exit the edit...

Страница 79: ...epetition rate Press the Menu key to exit the edit screen or select the pulse polarity Use the arrow keys to select the desired polarity Normal or Invert Press the Enter key to accept the selected pul...

Страница 80: ...ed For example if the displayed value is 3 00E 008 it indicates that 67 of the measured differences between the GPS receiver s 1 PPS and the 1 PPS derived from the internal oscillator were less than o...

Страница 81: ...to select the 1PPS Beep status On or Off Press the Enter key to accept the selected status 5 4 6 2 Receiver Operating Status and Control Press key 9 until Maintenance Menu 2 of 5 is selected GPS Rece...

Страница 82: ...dit key Use the arrow keys to select the Cold Start mode Press the Enter key to accept the selection GPS Receiver Status Cold Start Forces Collection of New Almanac Press the Enter key and observe the...

Страница 83: ...e arrow and number keys to select a new DAC value Press the Enter key to accept the new DAC value To exit the edit screen press the Menu key If the most recent DAC value is not known the value can be...

Страница 84: ...ccept the selection Menu Title On Menu Title Display Duration 2 Seconds Press the Menu key to exit the edit screen or continue to set the display duration Use the number keys to select the display dur...

Страница 85: ...Hz Sinusoid On Differential Off This screen indicates the Factory Default settings for the HF Synthesizer version output frequency of 1 MHz 1000000 Hz the Sinusoid output port enabled On and the Diffe...

Страница 86: ...Frequency 100 000 Hz Differential Off This screen indicates the Factory Default settings for the LF Synthesizer version output frequency of 1 kHz 100000 Hz and the Differential output port disabled Of...

Страница 87: ...rior to the removal of input power To change the output frequency or to enable disable the output ports Press the Edit key to enter the edit mode Synthesizer Frequency 01 000 000 Hz Sinusoid On Differ...

Страница 88: ...or purchase order Warranty terms and conditions are explained in the Standard Terms and Conditions of Sale provided with the quotation If you need more information on the warranty period or warranty t...

Страница 89: ...Odetics Telecom GPStarplus Model 365 365 8006 Warranty This page left blank intentionally Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 90: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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