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Spectracom Corporation

PathAlign-R

2200 / 2240 / 2241 PathAlign-R Manual

5-49

8. L. Setian, Practical Communication Antennas with Wireless Applications, Prentice Hall PTR,

1998.

9. R. L. Freeman, Radio System Design for Telecommunications, Second Edition, John Wiley &

Sons Inc., 1997.

Содержание Pendulum PathAlign-R 2200

Страница 1: ...2200 2240 2241 PathAlign R Test Set for Microwave Antenna Alignment User Manual Test Measurement by Spectracom www spectracomcorp com Part Number PEN9 9990 2240 Manual Revision A June 2011...

Страница 2: ...ectracom Corporation The contents of this publication may not be reproduced in any form without the written permission of Spectracom Corporation Printed in USA Specifications subject to change or impr...

Страница 3: ...Spectracom no later than the last year of the standard warranty for extended coverage WARRANTY CLAIMS Spectracom s obligation under this warranty is limited to the cost of in factory repair or replace...

Страница 4: ......

Страница 5: ...anical 1 8 1 5 8 Environmental 1 8 1 5 9 Supplemental Specifications 1 8 1 5 10 Battery Charger 1 8 1 5 11 Record R Specifications Model 2241 2241A Only 1 9 1 5 12 Accessories Furnished 1 9 2 INSTALLA...

Страница 6: ...3 Maintenance Schedule 3 30 3 7 Oscillator Calibration Procedure 3 30 4 RECORD R DATA LOGGING OPERATION 4 31 4 1 Introduction 4 31 4 2 Record R Data Logging Information 4 31 4 3 Front Panel Record R...

Страница 7: ...ESS SUPPORTING INFORMATION 5 42 5 1 Free Space Loss 5 42 5 1 1 Frequencies above 10 GHz 5 42 5 1 2 Total Path Loss 5 43 5 1 3 Fading 5 43 5 1 4 Fade Margin 5 44 5 2 Fresnel Loss 5 44 5 2 1 Fresnel Zon...

Страница 8: ...re 3 1 Model 2240 Front Panel 3 20 Figure 3 2 Model 2240 Rear Panel 3 23 Figure 3 3 Semflex Chart 3 27 Figure 3 4 PathAlign R to Waveguide compatibility for out of Band Alignment 3 29 Figure 4 1 Model...

Страница 9: ...eceiver These models operate on battery power via an internal 12 VDC 2 3 Ah rechargeable sealed Lead Acid battery 1 1 2 Declaration of Conformity The complete text with formal statements concerning pr...

Страница 10: ...r that the included charger to charge the battery To prevent deterioration or damage to battery Do not drop or subject to strong physical shock Do not use to power equipment other than specified Do no...

Страница 11: ...structure The recommended attachment method is with a carabiner through the backpack s D ring and a nylon runner looped around superstructure with the free end attached to the carabiner 1 3 6 Static D...

Страница 12: ...be ordered instead of all four bands found on the model 2200 2240 2241 A Master Slave toggle switch located on the front panel selects whether an individual unit transmits 20 MHz above the selected fr...

Страница 13: ...n individual data record in the instrument s memory with the push of a button The memory used for this storage is non volatile it is not affected by turning of instrument off The Data Logger also cont...

Страница 14: ...ver Overload Point 30 dBm signals 30 dB path loss will read 30 dB on meter Receiver Damage Level 10 dBm Readout Resolution 0 1 dB External Readout External readout of path loss with DVM 0 2 VDC BNC co...

Страница 15: ...nformation Earpiece Dynamic 8 Ohms ring connector Microphone Electret noise cancelling tip connector Cord Quick release adapter with right angle 3 5mm 1 8 in plug 1 5 6 Battery Characteristics Operati...

Страница 16: ...IEC 1010 1 Operating Temperature 10 C to 40 C 14 F to 104 F Storage Temperature 40 C to 71 C 40 F to 160 F Relative Humidity 95 5 10 C to 30 C 75 5 to 40 C 45 5 above 40 C Burn In Failure free burn in...

Страница 17: ...rear panel connectors Downloading Baud Rate 9600 Baud Software included LogView R Data Log Utility software for Windows operating systems This software allows a remote computer to download display and...

Страница 18: ...1 Battery Charger AC MAINS powered 90 264 VAC with IEC 320 Input connector One 1 AC MAINS power cord Conforms to IEC 320 3 1987 EN 60 320 and CEE color coding UL listed type SVT 3 conductor Vinyl wit...

Страница 19: ...STRUCTED TO DO SO BY THE FACTORY 2 3 Power Requirements The PathAlign R is powered by a 12VDC 2 3 Ah rechargeable battery which can be removed via the rear panel Battery Door Continuous Battery operat...

Страница 20: ...ery life a Do not discharge completely b Recharge battery immediately after use Recycling Battery The sealed Lead Acid battery shipped with the PathAlign R contains Lead Pb and must by recycled or dis...

Страница 21: ...e thread locking fluid can be obtained from M G Chemicals Toronto Canada Cat 8701 Mouser P N 590 8701 10ML A second source is Loctite RC 609 2 6 1 Procedure Caution must be exercised when removing and...

Страница 22: ...the shorter section with the other wrench Be careful not to stress the sparkplug connector while performing this operation 7 When loose hand remove the tool from the connector Note 2 Using a 3 5 mm t...

Страница 23: ...VE switch is set to SLAVE This 39 MHz offset makes possible the full duplex voice transmission and measurement of the PathAlign R Repeat this step for the other three Bands 2 8 2 Receiver Check Connec...

Страница 24: ...and 1 connector on each PathAlign R Connect the other end of each cable to a 40 dB in line attenuator Note Without the attenuator the input circuits of the PathAlign R would overload The attenuator ne...

Страница 25: ...humbwheels must be set to the same frequency on both units 3 Set one PathAlign R to MASTER and the other PathAlign R to SLAVE and then power up both units 4 Observe that the LED over the appropriate b...

Страница 26: ...rrying case or accessories to the factory as these items are not covered by the warranty and Spectracom does not repair these items 2 Wrap the instrument in heavy paper or plastic prior to placing it...

Страница 27: ...torage temperature of 25 C to 30 C the shelf like will be two years or more At temperatures below 25 C the shelf life will be several years When storage conditions are unknown capacitors should be rec...

Страница 28: ...ep instrument within its carrying bag Figure 3 1 Model 2240 Front Panel Front Panel Controls Indicators Display and Connectors Figure 3 1 depicts a typical 2240 Front Panel 3 2 Front Panel 3 2 1 Mode...

Страница 29: ...measurement between the two 2240s 3 2 2 Front Panel Path Loss Display The 4 digit display shows the received measured path loss in dB Name Function PATH LOSS The PathAlign R has a 4 digit 0 5 inch hi...

Страница 30: ...tor provides the electret microphone s bias voltage 1 5 2 5 GHz Band 1 Super SMA female sparkplug type connector provides antenna Transmit Receive frequencies from 1 5 GHz to 2 5 GHz 50 3 5 5 0 5 8 6...

Страница 31: ...technician External Charger IN Type 5 5 mm x 2 1 mm two terminal battery power connector connects the external 15VDC 1A Battery Charger to the PathAlign R center pin is positive maximum charge current...

Страница 32: ...he path alignment process will interfere with nearby active sites 3 4 3 2 Receiver The receiver section of the PathAlign R is a broad band receiver followed by a very narrow band tuned filter section...

Страница 33: ...Path Align R they have A charged battery installed possibly a spare if you are planning to be up for over 4 5 hours The proper waveguide to coax adapter for the antenna A coax cable SMA to appropriate...

Страница 34: ...n he gets the highest tone possible he then uses the Path Align R s meter reading to fine tune the adjustment One way voice communication from his unit to the second Path Align R is still operational...

Страница 35: ...Spectracom Corporation PathAlign R 2200 2240 2241 PathAlign R Manual 3 27 Figure 3 3 Semflex Chart...

Страница 36: ...ed to the antennas is not the same frequency the antenna has been ideally tuned for to give minimum VSWR but is within the waveguide s frequency pass band this test signal will still be transmitted an...

Страница 37: ...Spectracom Corporation PathAlign R 2200 2240 2241 PathAlign R Manual 3 29 Figure 3 4 PathAlign R to Waveguide compatibility for out of Band Alignment...

Страница 38: ...nance or repair 3 6 3 Maintenance Schedule The 2240 does not require any regular maintenance except for the recommended annual calibration of the internal oscillator 3 7 Oscillator Calibration Procedu...

Страница 39: ...ternal memory The Record R also contains an embedded GPS receiver which provides accurate UTC date time and position information to be added to the above data This logged data is saved in non volatile...

Страница 40: ...a data record will be recorded along with frequency path loss date and time The data recorded is the information displayed at the instant the Record R LED illuminates 4 3 4 LED Indicators This sectio...

Страница 41: ...PathAlign R with Record R Standard 2241 rear panel connectors are described in section 3 Figure 4 2 Model 2241 Rear Panel Connector Name Function RS 232 RECORDED DATA OUT DB 9 connector The RS 232 REC...

Страница 42: ...tion on the PathAlign R and downloading and saving logged data using the LogView R Data Log Utility software and a PC computer 4 6 1 Recording Data When the Record R button on the PathAlign R is press...

Страница 43: ...can download data records logged into the PathAlign R First install the supplied LogView R Data Log Utility software into your computer system Ensure that the computer and the PathAlign R are connect...

Страница 44: ...s displayed will be saved to disk with a unique composite file name in the same location the Log View R resides Since the file name used to store composite data records is derived from the serial numb...

Страница 45: ...he individual data record s selected will be saved with unique individual file names to a default location the same location the Log View R resides Since the file name used to store an individual data...

Страница 46: ...Displayed Records The records currently being displayed in Log View R can be printed at any time by pressing the Print Screen soft button in the upper right of the screen 4 6 4 7 Clearing the Memory I...

Страница 47: ...ne master control station The U S Air Force has the responsibility for this segment of the system The satellites transmit two spread spectrum modulated carriers L1 1575 42 MHz and L2 1227 6 MHz There...

Страница 48: ...systems support USB If you are running Windows 95 use the RS 232 cable between the instrument and the COM2 port RS 232 in your PC Your computer display should be set to 600 x 800 or higher The follow...

Страница 49: ...ect Search for the best driver for your device top selection and specify the C Program Files LogView default 3 Select Install the updated driver 4 If required insert the Windows 95 98 CD and follow th...

Страница 50: ...ect is negligible in microwave and millimeter wave frequencies below 30 GHz Water vapor though has an absorption line at 22 235 GHz and can affect microwave frequencies above 10 GHz The amount of wate...

Страница 51: ...ading Fades or variations with time in path loss are encountered during abnormal propagation conditions The most common type of fading is that due to multipath transmission Combinations of irregularit...

Страница 52: ...of the first Fresnel zone is defined as the additional path length of all paths which are one half wavelength of the frequency transmitted longer than the direct line of sight path between antennas If...

Страница 53: ...f water weather conditions and other natural reflectors and absorbers of electromagnetic energy The following image displays a typical microwave point to point link and the basic formulas for reliable...

Страница 54: ...eet Then the minimum ht and hr antenna height above ground 145 6 feet 5 3 Definitions 5 3 1 Wave Length The wavelength for a microwave frequency is given as 30 fGHz cm Where fGHz Frequency in Giga Her...

Страница 55: ...ore increased care must be taken when aligning high gain antennas to insure that the antenna is accurately aligned on the center of the main beam which could be only few degrees wide For example a 6 f...

Страница 56: ...ersa 5 3 6 Order Wire The term Order Wire or Engineering Order Wire is currently used with spread spectrum radios to describe the ability to have voice communications over the radio link This term com...

Страница 57: ...R 2200 2240 2241 PathAlign R Manual 5 49 8 L Setian Practical Communication Antennas with Wireless Applications Prentice Hall PTR 1998 9 R L Freeman Radio System Design for Telecommunications Second...

Страница 58: ...PathAlign R Spectracom Corporation 2200 2240 2241 PathAlign R Manual 5 50 Document Revision History Rev ECN Description Date A 2674 Initial release of manual for PathAlign R product models June 2011...

Страница 59: ...Spectracom Corporation 95 Methodist Hill Drive Rochester NY 14623 www spectracomcorp com Phone US 1 585 321 5800 Fax US 1 585 321 5219...

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