Motorola BLE100 User's Manual
Contents
1. dE 4 7 Coaxial cable connections to the housing are made using conventional 5 8 inch x 24 threads per inch stinger type connectors Four port plugs in the cover enable access to internal test points without opening the housing The BLE HSG 15 differs from the housing of the 10A BLE model BLE 75SH and BLE 75JH and the JLX series of line extenders However you can upgrade the 10A BLE and the JLX series of line extenders to the 15A BLE100 using the existing housing To upgrade from 10A to 15A use the BLE 15A platform assembly kit P N 951941 006 00 The BLE 15A kit contains 15A platform assemblies As an alternative to the kit you can order the BLE100 electronics module configured as a 10A unit see Fig 2 2 BLE100 ordering matrix Housing Two messenger clamps are located on the side of the housing Figure 2 5 and are secured with 5 16 inch x 24 threads per inch stainless steel bolts The bottom of the housing also contains two 5 16 x 24 threaded holes located on the vertical center line separated by four inches center to center Use these holes and the bolts from the messenger clamps for pedestal and surface mounting installations BLE100 Installation and Operation Manual 2 4 Over2. P2 1 O x1 x2 01 13 SURGE PROTECTOR enm FTEC LO HI surge protector selector The power supply also contains a two position LO HI selector that sets the start up voltage for 38 VAC or 55 VAC The BLE100 is shipped with the selector in the LO position which is the standard configuration The selector should be switched to the HI position only for a 90 VAC system This sets the start up voltage at 55 VAC Because this is only 5 V below 60 VAC it is not practical in a 60 VAC system There is no damage to the amplifier if the selector is not changed from the standard LO setting However changing the selector ensures that the DC supply does not turn on until the proper input voltage 38 VAC or 55 VAC is reached This prevents excessive loading of the system power supply during turn on after a system shutdown You must remove the power supply cover to access the selector illustrated in Figure 2 6 Section 3 Amplifier Setup explains changing the setting of this selector to meet system requirements The power supply includes a fast transfer electronic crowbar F TEC surge protector The FTEC is a crowbar circuit that fires at approximately 245 V and presents a short circuit to the line during periods of overvoltage After the ac input voltage returns to normal the FTEC resumes its open state The factory installed 20 ampere fuse illustrate
3. 3 7 Figure 3 3 LDR 9 1G component layout top left bottom right renes niente teniente 3 8 FAQUIG IM M 3 11 3 11 Figure 4 1 Test equipment connections for bench sweeping erret nnne tessera 4 2 Figure 5 1 Center conductor pin length 5 1 Figure 5 2 Torque sequence erri nenatis tette tei tite t E E26 5 2 Tables Table 2 1 BLE100 options and accessories 2 8 Table 3 1 Starline Forward Equalizers SFE 100 sse nre nnne restent reete rei rei reni resins 3 4 Table 3 2 STARLINE Cable Simulators erret niens tetti ti tti t to 3 6 Table 3 3 Gain reserve versus ambient temperature eere nennen nre nnne restent ree ree rein reins 3 9 BLE100 Installation and Operation Manual Section 1 Introduction The Motorola 1 GHz series of broadband line extenders BLE100 accept a single input and provide 34 dB of operational gain to a single output The BLE100 series of line extenders meets Telcordia GR 1098 core voltage surge requiremen
4. 1 Remove the two 5 16 inch messenger clamps and bolts located on the long side of the housing 2 Locate the two 5 16 inch holes 4 0 inches center to center cast into the housing base 3 Use the two 5 16 inch bolts to install the BLE100 to the pre drilled pedestal mounting plate and torque to 10 to 12 ft Ibs BLE100 Installation and Operation Manual Section 6 Operating Tips This section describes using amplifiers in lower frequency systems and in lower gain systems Using Amplifiers in Lower Frequency Systems When using the BLE100 in 870 MHz or 750 MHz systems you must consider the best method for handling the reduced bandwidth and channel loading requirement The following information helps you determine the best approach For distribution systems designed and installed as 1 GHz systems but carrying a reduced channel load there are no further concerns You can add or remove channels at your discretion If the system operates with ADU QADUs the pilot channel cannot be disturbed Reduced channel loading improves distortion For lower frequency systems such as 870 MHz or 750 MHz you will need to take into account the reduced gain from 1 GHz Due to the amplifier tilt there will be some loss in gain from the published operational specification at 1 GHz For example a 34 dB 1 GHz BLE with 14 dB of output tilt will lose approximately 1 3 dB of gain at 870 MHz resulting in approximately 32 7 dB of gain at 870 MHz If you nee
5. Center conductor pin length 1 50 Max 1 35 To install the unit 1 Power down the cable before you install the housing This avoids blown fuses tripped circuit breakers and possible personal injury 2 Mount the housing and torque the two 5 16 inch messenger clamp bolts illustrated in Figure 2 5 to 10 to 12 ft Ibs 3 Form the customary expansion loops make all cable connections according to system design 4 Tighten the center conductor seizure screw using a Phillips head screwdriver An alternate method is to use a 3 16 inch socket and a torque wrench The recommended torque is 12 in Ibs maximum 5 To avoid water ingress ensure that aluminum connectors are torqued to the specifications recommended by the connector manufacturer 6 If previously removed re install the electronics chassis and fasten it to the housing with the four captive bolts Torque to 18 to 22 in lbs 7 Remove the input pad JXP IN to avoid damage to the hybrids 8 Apply power to the unit and allocate a few minutes for warm up BLE100 Installation and Operation Manual 52 Installation 10 11 12 13 14 Check the voltage setting Gumper J1 Figure 2 6 J 1 position Description LO The voltage must be greater than 38 V as read with a true rms voltmeter or 42 V when using a conventional average reading voltmeter HI The voltage must be greater than 55 V when read with a true rms voltmeter or 61 V
6. frequency response which you can achieve in the field To test for return gain and response 1 Reconnect the test equipment and switch the sweep input and sweep output leads of the BLE100 under test to be opposite of the connection shown in Figure 4 1 2 Remove the power block at the input port and replace the 20 A fuse at the output port both illustrated in Figure 2 8 before you apply power 3 Re adjust the test equipment to sweep from 4 MHz through the maximum return band frequency plus 10 MHz Example 50 MHz for S split The expected response is flat Any tilt which is due to the return equalizer must average out to a flat response in a cascade of amplifiers A slope adjustment is not available in the return bandpass 4 Measure the gain at the maximum return band frequency 40 MHz for S split The amplifier gain is the sum of the measured gain the insertion loss of the return cable equalizer at the maximum return band frequency the insertion loss of the power combiner any pads installed in either the input or output pad locations plus the cable simulator loss at the maximum return band frequency The measured gain must meet advertised specifications for the return amplifier Example 14 0 dB measured gain 1 0 dB equalizer insertion loss 1 1 dB power combiner 0 0 dB pads 4 6 dB cable simulator at 40 MHz 20 7 dB unit gain Completing the Test Procedures The amplifier is now approximately
7. 1 4 20 7 16 inch 72 6 0 8 1 Test point plugs 5 8 24 1 2 inch 25 40 2 1 3 3 2 8 4 5 Seizure screw 8 32 3 16 inch or 12 1 0 1 4 Phillips Hybrid 6 32 Phillips 10 12 0 8 1 0 1 1 1 4 Chassis electronics 10 32 5 16 inch 18 22 1 5 1 8 2 0 2 4 module Chassis electronics 86 32 1 4 inch or 10 12 0 8 1 0 1 1 1 4 module cover Phillips Status monitor 10 32 5 16 inch 24 30 2 0 2 5 2 7 3 4 triple lead Power supply cover 6 32 Phillips 10 12 0 8 1 0 1 1 1 4 BLE100 Installation and Operation Manual Abbreviations and Acronyms The abbreviations and acronyms list contains the full spelling of the short forms used in this manual ADU Automatic Drive Unit c n carrier to noise CSO Composite Second Order CTB Composite Triple Beat cw Continuous wave dB Decibel dBmV Decibels referenced to one millivolt E GaAs Enhanced Gallium Arsenide FTEC Fast Transfer Electronic Crowbar GHz Gigahertz ICS Ingress Control Switch MHz Megahertz NTSC National Television Standards Committee QADU Quadriture Amplitude Modulated QAM Automatic Drive Unit rms root mean square RSA Return for Service Authorization SAW Surface Acoustic Wave SCS Starline Cable Simulator SFE Starline Forward Equalizer SRE Starline Return Equalizer BLE100 Installation and Operation Manual Visit our website at www motorola com MOTOROLA 527548 001 04 06
8. Introduction provides a brief description of the product identifies the information contained in this manual and gives the help line telephone number and repair return information Section 2 Overview describes the BLE100 and includes details on the various options and their functions Section 3 Amplifier Setup provides instructions for full configuration and forward and return path alignment Section 4 Bench Testing describes the bench test procedures that are recommended before installing the BLE100 Section 5 Installation provides instructions for installing the BLE100 and performing field alignment Section 6 Operating Tips provides suggestions for handling field encountered variables and addressing maintenance tasks Appendix A Specifications lists the applicable technical specifications for the BLE100 and options Appendix B Torque Specifications provides the appropriate torque specifications for the screws clamps connectors and bolts used in the BLE100 Abbreviations The Abbreviations and Acronyms list contains the full spelling of the short forms used in and Acronyms _ this manual This installation manual assumes that all channels are standard National Television Standards Committee NTSC analog channels Refer to catalog specifications for further details pertaining to signal levels of digital channels above 550 MHz This installation manual uses 1003 MHz as the reference frequency unless another frequency is given For exa
9. Telephone Menu Options 888 944 HELP 215 323 0044 ee e e Video Products PRESS 1 E m PRESS 1 PRESS 2 Controllers Headend PRESS1 2 Digital Analog Ottosen Py Data Networks Transmission Products e PRESS 3 a PRESS 1 PRESS 2 PRESS 3 PRESS 4 Cable Router Cable Modems Transmission Network Products VOIP Products Management Q MOTOROLA Connected Home Solutions http businessonline motorola com Broadcaster e Satellite IRD or Encoder Products E d PRESS2 0 2 PRESS 1 PRESS 2 Commercial Uplink IRD Encoder ee e Products PRESS 4 e wmm a PRESS 5 PRESS 1 PRESS 2 Multiservice Consumer X Broadband Transport Satellite Retail Products C Band Support MBT MWT MEA Severity Level 1 Critical Failure 2 Serious Failure Products 3 Lesser Failure 4 Technical Assistance BLE 100 Installation and Operation Manual PRESS1 PRESS2 Network Network Licensing Management Issued 04 2005 Introduction 15 Calling for Repairs If repair is necessary call the Motorola Repair Facility at 1 800 227 0450 for a Return for Service Authorization RSA number before sending the unit The RSA number must be prominently displayed on all equipment cartons The Repair Facility is open from 8 00 AM to 5 00 PM Central Time Monday through Friday When calling from outside the United States use the appropriate interna
10. tailored for a specific field location Additional adjustments after installation are minor in nature Re install the fuse or power block removed during testing Complete station records by recording pertinent information Remove test equipment connections and close the housing following instructions provided in Section 5 Installation Closing the Housing BLE 100 Installation and Operation Manual Section 5 Installation The field installation procedures presented in the following subsections assume that the amplifier was previously tested and bench aligned Cable power and RF signal must be available on the system Although it is desirable to have a full complement of channels available for balancing you can adjust the BLE100 adequately with a limited number of channels You can install the BLE HSG 15 on a messenger strand aerial or in a pedestal The following subsections provide details on each application Installation The housing is normally mounted horizontally below the strand without the electronics chassis to avoid possible damage during installation Connections are made using standard pin type connectors with a nominal center conductor diameter of 0 067 inches The minimum length of the center conductor pin is 1 35 inches and the maximum length is 1 5 inches Longer pins can extend past the center conductor seizure mechanism and degrade the match Extremely long pins can result in a short circuit Figue51
11. the input pad gt Apply the sweep signal and adjust test equipment as needed Select manual gain by placing the drive control select jumper in the position and turn the MANUAL LEVEL control Figure 2 8 fully clockwise BLE 100 Installation and Operation Manual Bench Testing 4 3 Measure the gain at mixed forward frequency using the procedure outlined in the operator manual provided with the test equipment in use To correct this number add the insertion loss of the SSP PIN power combiner 0 6 dB at 750 MHz 0 7 dB at 870 MHz or 1 1 dB at 1 GHz the loss of the cable simulator at mixed forward frequency and the loss of the cable equalizer 1 0 dB if it is installed Example The test equipment indicates a measured gain of 14 5 dB with a BLE87S and the cable simulator is set to 20 dB 1 1 dB power combiner 1 0 dB cable equalizer 20 0 dB cable simulator 14 5 dB measured gain 36 6 dB unit gain The result must meet advertised specifications for the unit The operational gain of the BLE100 provides reduced gain capability This enables the unit to operate in the proper region of the Bode board when it is controlled by the ADU QADU or TDU drive units To measure the operational gain and flatness of the amplifier 1 2 Perform steps 1 through 6 in Measuring Forward Gain above Estimate the ambient temperature and find the required gain reserve by referring to Table 3 3 Reduce the
12. translation transformation or adaptation without written permission from Motorola Inc Motorola reserves the right to revise this publication and to make changes in content from time to time without obligation on the part of Motorola to provide notification of such revision or change Motorola provides this guide without warranty of any kind either implied or expressed including but not limited to the implied warranties of merchantability and fitness for a particular purpose Motorola may make improvements or changes in the product s described in this manual at any time MOTOROLA Intelligence Everywhere and the Stylized M Logo are registered in the US Patent amp Trademark Office All other product or service names are the property of their respective owners Motorola Inc 2006 Contents Section 1 Introduction Using This Manual 1 3 Related Documentation 5 02 crai cantan cinis dac cui Coda C d 1 3 Dort nde DIL P 2 1 3 LAGE m 1 4 Calling for ssicsisissccasssssccscascedsaaccatsascushedseunivdnsessiasscevsiedivasuibucsusndusidessdusiensssitdsasutisineusii essisandesuiadsiesiisaivaustai iasisbviseu
13. when using a conventional average reading voltmeter Check the DC voltage Verify that it is between 23 6 V and 24 4 V and re install the input pad If necessary rebalance the amplifier following the instructions in Section 3 Amplifier Setup Check the tightness of the electronics chassis cover screws 10 to 12 in lbs and electronics chassis hold down bolts 18 to 22 in lbs Check the condition of the RF and weather gaskets and replace them if necessary If needed also apply a light coating of silicone grease Close the housing and use a torque wrench to sequentially and progressively tighten the housing bolts to a final torque of 6 ft Ib in the sequence specified on the housing cover and illustrated in Figure 5 2 Figure 52 Torque sequence d Dum 5 100 Installation and Operation Manual Pedestal Installation Pedestal installation is similar to aerial installation with the exception of temperature and mounting procedure In an aerial installation the cable and amplifier are subject to the same temperature In contrast pedestal installation provides a stable temperature environment for the buried cable while subjecting the elevated amplifier to higher temperatures The ADU QADU if installed functions the same as in an aerial installation and does not require further attention See Section 3 Amplifier Setup Amplifier Level Control for additional information To mount the BLE100 on a pedestal
14. 00 for 55 VAC through 90 VAC operation Remove the electronics chassis from the housing 2 Remove the power supply cover 3 Move the LO HI selector jumper J1 on the power supply board from the LO to HI position Figure 2 6 illustrates the jumper location 4 Re install the power supply cover and torque the screws to 10 to 12 in lbs 5 Re install the electronics chassis in the housing and torque the hold down bolts to 18 to 22 in lbs BLE 100 Installation and Operation Manual Section 4 Bench Testing Motorola s recommended procedure for placing a new BLE100 into service is to fully test it on the bench before it is field installed There are specific alignment procedures that ensure proper functioning of all components and simplify final installation If the BLE100 is properly aligned on the bench only minor adjustments may be required in the field The following subsections provide instructions to bench align the BLE100 Before You Begin The BLE100 is shipped with a 20 ampere blade type fuse in the output port for over current protection CAUTION AN To avoid applying 60 90 Vac to the test equipment during testing remove the fuse illustrated in Figure 2 8 Open the housing and remove the chassis cover Refer to your system drawings or records to confirm the presence of the required options as described in Section 2 Overview Options and Accessories BLE100 Installation and Operation Manual 4 2 Bench Tes
15. 5 4 3 9 2 5 1 0 1 3 20 15 2 16 2 11 4 9 2 6 5 5 0 3 6 2 3 1 0 1 3 18 13 7 14 7 10 3 8 4 6 0 4 6 3 4 2 2 1 0 1 3 16 12 1 13 1 9 3 7 6 5 4 4 2 3 1 2 1 1 0 1 3 14 10 6 11 6 8 2 6 7 4 9 3 8 2 8 1 9 1 0 1 3 12 9 1 10 1 7 2 5 9 4 3 3 4 2 6 1 8 1 0 1 3 10 7 6 8 6 6 2 5 1 3 8 3 0 2 3 1 7 1 0 1 3 8 6 1 7 1 5 1 4 3 3 2 2 6 2 0 1 5 1 0 1 3 6 4 6 5 6 4 1 3 5 2 7 2 2 1 8 1 4 1 0 1 3 4 3 0 4 0 3 1 2 6 2 1 1 8 1 5 1 3 1 0 1 3 2 1 5 2 5 2 0 1 8 1 6 1 4 1 3 1 1 1 0 1 3 BLE 100 Installation and Operation Manual Amplifier Setup 3 5 Figure 3 1 illustrates a graph of the equalizer slope versus equalizer value information presented in Table 3 1 The amount of cable equals the equalizer value Figure 3 1 Equalizer slope versus cable Slope versus Cable H H HH HHERH IHHH 1 GHz dB of Cable E EFZEEEEEEEEEEEEEEH tit i 11111 111111 0 2 4 6 8 10 12 14 16 18 dB of Equalizer Slope When selecting an equalizer choose the next lower value if the exact value is not available or in cases where the calculated value makes two choices possible Because of errors in cable attenuation slope in passive devices and other independent variables you may need to change the final value of the equalizer before you install the BLE100 BLE100 Installation and Operation Manual 3 6 Amplifier Setup STARLINE Cable Simulators STARLINE cable simulators model SCS are used in place of fixed equalizers in systems where 1 the amp
16. 6 865 25 MHz or channel 158 997 25 MHz Low channel 2 55 25 MHz or channel 3 61 25 MHz Ifthe tilt is less than required install a higher value input equalizer Ifthe tilt is greater than required install a lower value input equalizer Ifthe high value equalizer provides too much tilt and the low value equalizer provides too little tilt use the lower value equalizer Under equalization is preferred to over equalization If the amplifier was set up using an SCS the JXP input pad must be increased or decreased by the amount of change made in the SCS value Therefore to maintain a proper gain level it is necessary to adjust the input pad value as follows For each increase in SCS value decrease the input pad by 1 dB For each decrease in SCS value increase the input pad by 1 dB Ifyou replace an SFE with an SCS reduce the value of the input pad by the value of the SCS Measure the output level at the highest frequency It should be within 1 dB of the system design level If it is not you must adjust the mid stage pad JXP MID accordingly Refer to Section 6 Operating Tips for mid stage padding information and recommendations BLE 100 Installation and Operation Manual Amplifier Setup 3 11 Automatic Drive Unit QAM Automatic Drive Unit The ADU and QADU operate by using surface acoustic wave SAW filters to select a pilot frequency and then monitor the amplitude of this frequency Any cha
17. E jeg where SLOPE required SFE 100 slope TILT oyt required amplifier output tilt SIG o signal input level at channel 2 SIGH signal input level at 1 GHz SLOPEieq interstage equalizer slope 9 dB From various references such as manufacturer s catalogs you can determine that 18 dB of cable at the operating frequency of 1003 MHz is 4 dB ofloss at 54 MHz This suggests that the channel 2 signal input level to the line extender is 14 dB greater 18 4 14 at channel 2 than it is at 1003 MHz Our example assumes that the high end frequency level into the amplifier is 15 dBmV Substituting this information in equation 1 provides the following result 10 0 dB 29 dB 15 0 dB 9 0 dB 15 dB BLE100 Installation and Operation Manual 3 4 Amplifier Setup The slope of the required equalizer is 15 dB Table 3 1 and Figure 3 1 show that 15 dB of slope is caused by approximately 20 dB of cable at 1003 MHz Therefore the correct equalizer is model SFE 100 20 When selecting an equalizer choose the next lower value if the exact value is not available or in cases where the calculated value makes two choices possible Table 3 1 helps you choose the correct equalizers and also lists insertion loss at various frequencies Table 3 1 Starline Forward Equalizers SFE 100 Frequency MHz versus Insertion Loss dB Equalizer Equalizer 50 200 300 450 550 650 750 870 1003 Value Slope SFE 100 22 16 7 17 7 12 4 10 0 7 1
18. Installation and Operation Manual MOTOROLA BLE100 1GHz Broadband Line Extender Q PTE Ser Caution These servicing instructions are for use by qualified personnel only To reduce the risk of electrical shock do not perform any servicing other than that contained in the Installation and Troubleshooting Instructions unless you are qualified to do so Refer all servicing to qualified service personnel Special Symbols That Might Appear on the Equipment This symbol indicates that dangerous voltage levels are present within the equipment These voltages are not insulated and may be of sufficient strength to cause serious bodily injury when touched The symbol may also appear on schematics The exclamation point within an equilateral triangle is intended to alert the user to the presence of important installation servicing and operating instructions in the documents accompanying the equipment For continued protection against fire replace all fuses only with fuses having the same electrical ratings marked at the location of the fuse FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and i
19. a graph in Figure 3 2 Figure 3 2 Frequency versus cable slope 1 i SCS 1 SCS 2 g 4 SCS 3 SCS 4 a 8 SCS 5 7 2 SCS 6 8 868 7 565 8 10 11 565 9 12 565 10 1 N eo t t N x 1O A 1 ire N Q N N b I 1O N e Frequency MHz Input and Midstage Pads Install Model JXP B pads to attenuate the signal per system design drawings Generally this consists of attenuating excessive input levels You should pad the input to system levels for unity gain Select and install the specified pad in the socket labeled JXP IN on the chassis cover You can use the midstage pad JXP MID to adjust the gain level and achieve the gain specification Refer to Section 6 Operating Tips for midstage padding information and recommendations Flatness Control The LDR 9 1G circuit board includes flatness controls and a fixed cable equalizer for 1003 MHz This equalizer plus the contribution of the hybrid gain stages produces approximately the dB of slope indicated by the model number 9 dB of tilt with an LDR 9 1G You can adjust the LDR variable resistors and capacitors to flatten the response across the operating band Use C1 C2 and R2 on the LDR board shown in Figure 3 3 for low end flatness response The low end flatness controls compensate for the roll off cause
20. d by the diplex filters Adjust C3 and R3 for a flat response across the mid band Adjust C7 C8 and R8 for a flat response across the band Adjust C6 for maximum gain at the high end 1 produces a peak that is centered just below the lowest forward frequency and varied in amplitude by R1 BLE100 Installation and Operation Manual 3 8 Amplifier Setup C2 produces a peak that is centered approximately 50 MHz above the lowest forward frequency and varied in amplitude by R2 C8 produces a peak that is centered approximately 300 MHz above the lowest forward frequency and varied in amplitude by R3 This adjustment provides more mid band alignment flexibility C6 adjusts for maximum gain at Fmax 1003 MHz C7 and R8 adjust for the flattest response in the mid to upper portion of the band C8 adjusts for the flattest response in the low to mid range of the band L4 on the bottom of the LDR board may slightly tune the upper portion of the response Excessive spreading of L4 will cause insertion loss to increase Figure 3 3 LDR 9 1G component layout top left bottom right Directional Coupler Test Points Accurate 20 dB directional coupler test points are available at the input and at the output of the BLE100 Because these test points are 75 ohm source impedance they do not require special test probes After the output hybrid a second directional coupler provides signal to the optional ADU board This signal
21. d forces the pre amplifier to operate at a higher output level thereby degrading station distortion performance Due to the superior distortion performance provided by the latest E GaAs BLEs this should not be a major concern assuming the pad value is reasonable It is recommended that you contact Motorola s TRC or your account representative for specific information regarding use of the midstage pads BLE100 Installation and Operation Manual Specifications Specifications are valid over the given passband and operating temperature range of 40 F to 140 40 C to 60 C Specifications stated are worst case unless otherwise noted and are subject to change Refer to the Motorola CHS web site or contact your account representative for the latest specifications Model BLE100S Specification Passband S split Gain Full Operational Flatness 52 through 1003 MHz Level control automatic Gain control Performance reference frequency MHz at typical output dBmV Channels Crossmod CTB CSO Noise figure at 52 MHz at 1003 MHz Interstage equalizer LDR 9 1G Hum modulation Return loss input output Test points input output Housing dimensions Weight Forward Amplifier 52 through 1003 MHz 38 dB with SFE 100 34 dB with SFE 100 and slope reserves 0 70 dB maximum Bode board using ADU QADU Fixed pads JXP B 1003 550 52 45 44 37 79 analog 320 MHz digital suppress
22. d in Figure 2 8 provides power passing to additional line extenders BLE100 Installation and Operation Manual Overview 2 7 Forward Path The operational gain of the BLE100 amplifiers is 34 dB with 16 dB of return loss The operating gain includes provisions for the insertion loss of the input cable equalizer and required reserve gain to operate the Bode equalizer in the middle of its range The low noise figure pre amplifier stage is a 1 GHz hybrid followed by a power doubled output stage Between the two stages is a JXP B pad socket the Bode board and the flatness and equalizer board Because these losses are located interstage the noise figure is only significantly impacted by the insertion loss of the forward cable equalizer or broadband cable simulator and the input pad if its value is increased from zero Figure 2 7 illustrates the interconnection among these components Figure 2 7 BLE 100 block diagram 1 0 dB 28 dB 3 dB 1 0 dB 6 5 dB 23 dB 20 dB OnBrd v Cerere port p r Output port le port Je F E 1 0 dB Manual Auto 1 0 dB n dB RF MEE nv ACL O nud Am 1 0 dB ADU TDU Haan 430 0 dB 0 3 dB TP ACtest P 20 dB point supply Vde Q DC test point Power Block Fuse Jumper Plug in module Return Path The circuit board of the BLE100 includes the return path This equips the BLE100 to pass signals in the return or upstream di
23. d to adjust tilt you may accommodate by changing the forward equalizer SFE value Also to avoid any additional loss in gain it is optimal to use the equalizers that match the system frequency For an 870 MHz system the SFE 87 s are the best choice even in a 1 GHz amplifier Note also that the equalizer cuts off at the frequency value for which it is designed For example an SFE 87 cuts off frequencies above 870 MHz Therefore if you have a 1 GHz system and need the equalizer to perform to 1 GHz you must use an SFE 100 Using Amplifiers in Lower Gain Systems There are two pad facilities in the forward path 1 the pad location JXP IN at the input to the amplifier and 2 the midstage pad JXP MID located between the pre amplifier and the output hybrid The input pad JXP IN is normally changed to accommodate excessive input levels When operating at the same output levels a BLE100 with an input pad has the same carrier to noise c n and distortion performance as a BLE100 without the input pad Because it only attenuates excess signal it has no effect on the overall performance of the BLE100 If necessary to achieve the gain specification you can use the midstage pad JXP MID to reduce the gain of the BLE100 However this will affect amplifier performance This pad location has minimal impact on the noise figure therefore carrier to noise performance is maintained When operating at the same output levels the midstage pa
24. daitdaiiainte 1 5 Section 2 Overview Ordering 2 2 HOUSING 2 3 Port Locations li ilm gite E E Forward Paty uum m Ingress Control Switch Options and Accessories anisan iaa daanan naaien danaa aa aa nitentes ttti ii to EIE 246 2 8 Section 3 Amplifier Setup Proper Handling Procedures e X 3 1 Field Prac UCE fee 3 1 Bench Setup MOO M 3 1 Forward Path Before You Begin STARLINE Cable Equalizers Example 1 Example 2 STARLINE Cable Simulators Input and Midstage Pads Flatness Control Directional Coupler Test Points Bode EQualiZation paanan E e E BLE100 Installation and Operation Manual ii Contents Amplifier Level Manual Gain Automatic Drive Unit QAM Automatic Drive Unit ADU QADU Pads and Levels sisczssnscsctsacacuecacssssstaasnsnavaasuinusaacninssaasssnsdaacsseisauasdnvnsasdenssnsstanksnssivavania nnisa
25. eatvaisssatasicuadiaiiee Return Path Alignment Before You Begin Alignment Procedure Powering and Surge Protection 3 14 Section 4 Bench Testing Before YOU 4 1 Test Equipment and Connections 4 2 Measuring Forward Gain 4 3 Example GE CM CER MR BORA CEREREM 4 3 Testing Return Gain and 4 4 IS CI meme 4 4 Completing the Test Procedures ener teresa enit duda ma tii i tiii lt t dana iaai 4 4 Section 5 Installation Aenal 5 1 Pedestal Installation eerie tenes tesi rti teo 5 3 Section 6 Operating Tips Using Amplifiers in Lower Frequency Systems Using Amplifiers in Lower Gain Systems Appendix A Specifications Mod
26. ed by 6 dB 70 dB 76 dB 71 dB 8 dB with SFE 1 maximum 8 dB with SFE 1 maximum 9 1 dB 65 dB 16 dB minimum at operational level 20 1 0 dB 10 6 L x 8 0 Wx 4 7 D inches 26 9 x 20 3 x 11 9 cm 7 2 pounds 3 2 kg BLE100 Installation and Operation Manual 2 Specifications AC Current AC Voltage One way 90 VAC 0 48 A 75 VAC 0 50 A 60 VAC 0 56 A 53 VAC 0 60 A 45 VAC 0 67 38 VAC 0 75 Return Amplifier Parameter Passband S split Gain station minimum Flatness Level control Performance at typical output Channels Crossmod CTB cso Noise figure Power requirements ADU Automatic Drive Unit Parameter Pilot channel Adjacent channel frequency Minimum BLE100 output at pilot frequency ALC stiffness Power requirement BLE 100 Installation and Operation Manual With RA Kit 0 56 A 0 59 0 65 0 70 0 78 0 88 Specification 5 through 40 MHz 24 dB 0 50 dB maximum Fixed pads JXP B input and output 35 dBmvV flat 6 NTSC 70 dB 80 dB 81 dB 6 dB 24 VDC 125 mA Specification See current catalog 6 MHz 36 dBmV 0 3 output change for 3 0 dB input change 24 VDC 75 mA Appendix Torque Specifications Torque specifications are valid for all models of the BLE100 Torque Fastener Screw Wrench Indbs Ftlbs Size Size Strand 5 16 18 1 2 inch 120 144 10 12 13 6 16 3 clamp pedestal mounting Housing lid closure
27. el BLE100S Return Amplifier ADU Automatic Drive 2 BLE 100 Installation and Operation Manual Contents iii Appendix B Torque Specifications Abbreviations and Acronyms Figures Figure 1 1 00 closed Rm 1 1 LH BEA IBS 1 2 Figure 2 1 BLE100 base with electronics module sssini 2 1 Figure 2 2 BLE100 ordering matrix rere nennen nnne nnne rennen res resa re resa restet rte reo rei E iei eate rto 848 2 2 Figure 2 3 BLE HSG 15 housing and dimensions rennen rennen nnn rennen rennen reina resi testet 2 3 Figure 2 4 Housing gaskets Figure 2 5 Housing ports Figure 2 6 BLE100 power supply reris nensis testes tt teilt o 226 2 6 Figure 2 7 BLE100 block diagram 2 7 Figure 2 8 BLE100 options and accessories rnit terii ti tii ii t toti t 2 10 Figure 3 1 Equalizer slope versus cable rennes tnit stessi netiis ttti ttt 3 5 Figure 3 2 Frequency versus cable slope
28. equalizer and design value input JXP B attenuator 3 Ensure that the drive control select jumper is in the MAN position 4 Usea signal level meter to measure the high band edge carrier input level at the input test point 750 MHz channel 116 870 MHz channel 136 1003 MHz channel 158 This carrier should be at standard analog level non scrambled 5 Verify that the input level agrees with the design specification input If the level is different from design adjust accordingly For example the design level is 19 dBmV at the highest frequency and the design pad value is JXP 3B If the actual measured level is 21 dBmV then you must change the pad to a JXP 5B If the actual levels are significantly different from the design levels it is recommended that you investigate or consult system management before proceeding 6 Connect the signal level meter to the output test point and tune the meter to the high end channel 7 Turn the manual gain reserve MAN control illustrated in Figure 2 8 to maximum fully clockwise and then reduce the output as noted in Table 3 3 below Table 3 3 Gain reserve versus ambient temperature Temperature Gain Reserve Above 110 F 43 C 32 F 0 C to 110 F 43 C 4 dB Below 32 F 0 5 dB BLE100 Installation and Operation Manual Amplifier Setup Check the amplifier output tilt by measuring the high band and low band edge carriers High channel 116 745 25 MHz channel 13
29. equired for proper performance in the return path Before You Begin Before you begin to set up the amplifier and perform return path alignment please read the following instructions and recommendations For proper return alignment obtain alignment levels and insertion points for all BLE100s RF reference output level of the headend optical receivers Equipment required for return path alignment includes Full complement of JXP B pads and Starline Return Equalizers SRE Reverse signal generator must produce at least one signal within the return bandpass and have variable output Return sweep or alignment equipment It is recommended that you Do not remove the electronics chassis cover when the 100 is powered Do not use wire jumpers to bypass the SRE location BLE 100 Installation and Operation Manual Amplifier Setup 3 13 Perform the return optical link set up before performing amplifier set up Specify reverse alignment design levels for a single carrier Consider sweep equipment as a single carrier and operate at design levels Do not include injection point losses in reverse design levels If JXP THERM devices JXP TH C are specified for level control they should be installed in the JXP THERM pad facility illustrated in Figure 2 8 Alignment Procedure The return amplifier configuration includes one high gain 30 dB return amplifier hybrid and an appropriate SRE equal
30. er by 6 dB or by 38 dB By reducing the ingress level at the headend or monitoring point you can further isolate the ingress source After an ingress source is isolated to the last possible amplifier node or line extender you can shut the return path off at that location This limits the impact of the ingress on the remainder of the network while eliminating the source of ingress Options and Accessories The factory ships the BLE100 as a fully functional unit but you must configure it appropriately for the field location requirements You must install the correct forward equalizer or broadband cable simulator and input pad to place the unit into service Section 3 Amplifier Setup provides information to assist you in this task Use model JXP B pads to control field signal levels To compensate for temperature install the automatic drive unit ADU or QAM automatic drive unit QADU before placing the BLE100 in service You can install other items such as return thermal attenuators or ingress control switches at your discretion but these options do not render the BLE100 inoperative if they are not included Table 2 1 provides a comprehensive list of options and accessories for the BLE100 See Section 3 Amplifier Setup or the Motorola online product catalog for additional information Table 2 1 BLE 100 options and accessories Model Description Function QADU QAM Automatic Drive Unit This board automatically controls ampl
31. f not installed and used in accordance with the Installation Manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his her own expense Any changes or modifications not expressly approved by Motorola could void the user s authority to operate this equipment under the rules and regulations of the FCC Canadian Compliance This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe A respects toutes les exigences du R glement sur le mat riel brouilleur du Canada Declaration of Conformity Motorola Inc 101 Tournament Drive Horsham PA 19044 U S A declare under our sole responsibility that the STARLINE Model 100 to which this declaration relates is in conformity with one or more of the following standards EMC Standards EN55022 EN55024 EN50083 2 CISPR 22 CISPR 24 Safety Standards EN60065 EN60825 EN60950 IEC 60950 A1 1992 A2 1993 A3 1995 A4 1996 following the provisions of the Directive s of the Council of the European Union EMC Directive 89 336 EEC Low Voltage Directive 73 23 EEC Copyright 2006 by Motorola Inc All rights reserved No part of this publication may be reproduced in any form or by any means or used to make any derivative work Such as
32. gain at the highest frequency by the amount given in the table Example The ambient temperature is 70 F The table indicates that the required gain reserve is 4 dB Reduce the gain by 4 dB The operational gain is the sum of the measured gain after performing Step 2 plus all losses such as power combiner cable loss equalizer and cable simulator The sweep response is essentially flat at this point If the response exhibits tilt the cable equalizer must be changed Install a higher equalizer value if the gain is greater at the low frequencies install the next lower equalizer value if the gain is less at the low end frequencies Measure the gain excursions from an average value within the bandpass The result is the peak to valley P V flatness Some improvement is possible by adjusting the flatness controls on the LDR 9 1G board as described in Section 3 Amplifier Setup Flatness Control Figure 3 3 illustrates the location of these controls on the LDR 9 1G board BLE100 Installation and Operation Manual 4 4 Bench Testing Testing Return Gain and Response After configuring the return path you can test the return bandpass to ensure compliance with specifications When testing the return amplifier remember that it is a flat amplifier Therefore the cable simulator must remain in the test set up and must remain set to the same cable equivalent as in the forward sweep test This provides an approximate indication of the
33. ifier output levels that change with cable attenuation and hybrid output The selection of an appropriate pilot frequency is required ADU Automatic Drive Unit This board automatically controls amplifier output levels that change with cable attenuation and hybrid output The selection of an appropriate pilot frequency is required BLE 100 Installation and Operation Manual Overview 2 9 Model SFE 100 SRE SCS JXP B JXP TH C FTEC BLE LID SM BLE RCB100 JXP RPC ICS II Description Starline Forward Equalizer Starline Return Equalizer Starline Cable Simulator Fixed attenuator Thermal attenuators Fast Transfer Electronic Crowbar Deep housing cover Response Correction Board Return Path Correction board Ingress Control Switch Function This 1 GHz equalizer compensates for cable properties in 1 dB increments from 0 dB through 22 dB The appropriate value must be installed This bandwidth specific equalizer compensates for cable attenuation in 1 dB increments from 0 dB through 12 dB for S split 2 dB increments for all other splits The appropriate value must be installed This simulator compensates for cable properties The appropriate value must be installed This pad attenuates excessive input signal and can be used to adjust amplifier gain It is available in 1 dB increments from 0 dB through 26 dB The appropriate value must be installed This option compensates f
34. is used only when the ADU board is installed It is not necessary to terminate this port when the ADU is not installed Do not remove the ADU pad even if there is no ADU installed Removing the pad affects the test point at port OUT Bode Equalization The Bode board which is an electronically controlled equalizer receives its control input from either the ADU or QADU control board The response of the Bode board compensates for cable attenuation changes due to temperature If necessary you can control the Bode board manually using the potentiometer labeled Manual Level MAN in Figure 2 8 BLE 100 Installation and Operation Manual Amplifier Setup 3 9 Amplifier Level Control Signal levels vary in a cable system primarily because cable attenuation changes with temperature Other components such as passives and amplifier hybrids are also affected by temperature changes To automatically compensate for these signal level fluctuations and control output level you must select the optional ADU QADU For improved output level stability use of the ADU QADU is recommended When necessary and appropriate you can also use manual gain control The BLE100 gain is then determined by the potentiometer marked MAN on the electronics chassis cover Manual Gain Control To use manual gain control 1 Verify that the electronics chassis is installed correctly 2 Ensure that there is continuity in the forward path by installing the design value input
35. izer All components are plug in and are easily installed To align the return path 1 Ifthe BLE100 is powered remove all fuses before you perform the following steps 2 Install the design value pad in the return output pad location JXP OUT Install the design value return equalizer SRE in the RTN EQ location 4 Verify that the return input pad location JXP IN has a 0 dB pad or JXP ZX jumper installed 5 Ifyou require an ICS install it in the ICS location If you plan to install the ICS later install a JXP 2B to simulate the through loss of the ICS This eliminates the need to rebalance the return path if you install the ICS later 6 Verify that the return output pad socket OUT located between the hybrid output and the SRE has a 0 dB pad or JXP ZX jumper installed Verify that the return thermal pad socket JXP THERM located between the hybrid output and the SRE has a 0 dB pad or JXP ZX jumper or JXP TH C installed 8 Set the sweep equipment output level to the amplifier s design input level Add insertion point loss 9 Ifrequired change the return output pad OUT and or return equalizer to achieve as close as possible a match of the reference level as compared to the node 10 Verify the sweep response of all insertion points if applicable 11 Verify that the pad and equalizer values are similar to the map design values You can verify proper return alignment by injecting a carrie
36. lifiers are located close together 2 there are large amounts of flat loss from passive components or 3 it is necessary to compensate for reverse cable tilt The simulators fit in the same location as the equalizers Table 3 2 and Figure 3 2 help you choose the correct simulators Table 3 2 STARLINE Cable Simulators SCS 1 2 3 4 5 6 7 8 9 10 Frequency Cable slope in dB 40 MHz 0 0 0 1 0 1 0 1 0 2 0 2 0 3 0 3 0 3 0 4 45 MHz 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 2 0 2 50 MHz 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 72 MHz 0 1 0 2 0 2 0 3 0 4 0 4 0 5 0 6 0 7 0 7 108 2 0 1 0 3 0 4 0 5 0 6 0 8 0 9 1 0 1 2 1 3 150 2 0 2 0 5 0 7 0 9 1 2 1 4 1 6 1 9 2 1 2 3 211 MHz 0 3 0 7 1 0 1 4 1 7 2 1 2 4 2 8 3 1 3 5 250 MHz 0 4 0 8 1 2 1 7 2 1 2 5 2 9 3 3 3 7 4 1 300 MHz 0 5 1 0 1 5 1 9 2 4 2 9 3 4 3 9 4 4 4 9 350 MHz 0 6 1 1 1 7 2 2 2 8 3 3 3 9 4 4 5 0 5 5 400 MHz 0 6 1 2 1 8 2 5 3 1 3 7 4 3 4 9 5 5 6 2 450 MHz 0 7 1 4 2 0 2 7 3 4 4 1 4 7 5 4 6 1 6 8 550 MHz 0 8 1 6 2 4 3 2 4 0 4 8 5 5 6 3 7 1 7 9 750 MHz 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 870 MHz 1 1 2 2 3 3 4 4 5 5 6 7 7 8 8 9 10 0 11 1 1003 MHz 1 2 2 5 3 7 4 9 6 2 7 4 8 7 9 9 11 1 12 4 50 MHz loss typical 1 0 1 0 10 40 10 10 10 10 10 10 BLE 100 Installation and Operation Manual Amplifier Setup 3 7 The information in Table 3 2 is shown as
37. mple quoted cable loss is understood to be at 1003 MHz Related Documentation This installation manual is complete and you should not require any additional documentation to install test or operate the BLE100 line extender Document Conventions Before you begin to use the BLE100 familiarize yourself with the stylistic conventions used in this manual Bold type Indicates text that you must type exactly as it appears or indicates a default value SMALL CAPS Denotes silk screening on the equipment typically representing front and rear panel controls I O connections and indicators LEDs Asterisk Indicates that there are several versions of the same model number and the information applies to all models When the information applies to a specific model the complete model number is given Italic type Denotes a displayed variable a variable that you must type or is used for emphasis BLE100 Installation and Operation Manual 1 4 Introduction If You Need Help If you need assistance while working with the BLE100 contact the Motorola Technical Response Center TRC Inside the U S 888 944 HELP 1 888 944 4357 Outside the U S 215 323 0044 Motorola Online http ousinessonline motorola com The TRC is on call 24 hours a day 7 days a week In addition Motorola Online offers a searchable solutions database technical documentation and low priority issue creation and tracking Technical Response Center
38. nectors Figure 2 5 illustrates the housing port locations Figure 2 5 Housing ports e m Messenger clamp bolts l on Port 1 Lid Port 2 BLE100 Installation and Operation Manual 2 6 Overview Power Supply The BLE100 power supply is a separate circuit board mounted to the underside of the amplifier module and is capable of 60 VAC or 90 VAC powering The power supply provides a regulated 24 VDC output over an AC input between 38 Vrms and 90 Vrms with a line frequency from 50 Hz through 60 Hz Potentiometer R25 adjusts the output voltage to 24 VDC however this is set at the factory and field adjustment is not recommended Figure 2 6 illustrates the components on the power supply Figure 2 6 BLE100 power supply R25 C26 c2 LF it 2 3 C7 5 C1 m t C22 a Hi 1 EB 18 Ces Du W1 SO 07 ooo T1
39. ng Matrix Several models of the BLE100 are available The BLE100 is fully configured in the Motorola factory per customer request You can find the model name on labels on the outside of the shipping carton the side of the BLE100 housing and the side of the electronics module Please see the Product Data Sheet on the Motorola on line Product Catalog for available models and associated part numbers Figure 2 2 identifies and describes the model strings Figure 2 2 BLE 100 ordering matrix Station Slope 9 dB Fmin 1003 MHz High 24 dB Key Bandpass Spit Key tevetControt_ key Housing Px None 5 42 MH54 1003 Mi Fes electrons 1004 Fa 9 1009 5 55 2 70 1003 MHz 100N 5 85 MHz 105 1003 MHz Electronics modules available are configured for manual level control only The ADU must be ordered and installed separately Notes 1 FTECs and 20 fuses are included in all amplifiers as standard 2 ICS and status monitor transponders will continue to be customer configurable options BLE100 Installation and Operation Manual Overview 2 3 Housing The BLE100 is furnished in a BLE HSG 15 aluminum housing that protects the electronics from weather and dissipates internally generated heat Figure 2 3 illustrates the BLE HSG 15 housing and provides its dimensions Figure 2 3 BLE HSG 15 housing and dimensions
40. nge in signal level is fed back to the Bode equalizer It is assumed that the encountered signal level changes are due to changes in cable attenuation and hybrid output associated with a change in temperature The Bode equalizer then changes its insertion loss to maintain a constant output level The ADU illustrated in Figure 3 4 and QADU illustrated in Figure 3 5 maintain the most precise output level of the three available methods Figure 3 4 ADU AUTOMATIC Q MOTOROLA Pilot frequency Figure 3 5 QADU AUTOMATIC DRIVE UNIT Q MOTOROLA Pilot frequency To set up the ADU QADU 1 Position the drive control select jumper temporarily to the MAN position and perform the complete procedure described in Manual Gain Control if not already completed 2 Verify that the frequency stamped on the ADU or QADU control unit is the same as the system pilot frequency For the ADU the pilot frequency is a CW or an available NTSC television channel not scrambled using sync suppression and not a digital channel For the QADU the pilot signal is a QAM modulated digital channel 3 Position the drive control select jumper to AUTO 4 Connect signal level meter to the FWD OUT test point and tune the meter to the high band edge carrier BLE100 Installation and Operation Manual 3 12 Amplifier Setup 5 Turn the auto level control potentiometer ADU illustrated in Figure 2 8 fully clockwi
41. or gain changes with temperature in the return path This accessory is used for overvoltage protection This optional cover is required to contain the LIFELINE status monitor module which is available from AM Networks This optional board compensates for system roll off at 1 GHz The BLE100 is shipped with a jumper in this location which you can replace when additional response correction is required This optional board provides additional flatness response correction in the return path for systems that must meet especially stringent return path flatness requirements This option enables remote monitoring isolation and reduction of ingress on the return path by providing signal attenuation of 6 dB or cutoff of 38 dB typical The unit is shipped with a jumper in this location The LIFELINE status monitoring module available from AM Networks must be installed to control the ICS Figure 2 8 illustrates the location of options and accessories in the BLE100 BLE100 Installation and Operation Manual 210 Overview Figure 2 8 illustrates the location of options and accessories in the BLE100 Figue2 8 BLE100 options and accessories Forward Optional equalizer or Midstage Manual ADU OADU Cable simulator pad jumper level pad TP SFE 100 or SCS JXP MID shown MAN ADU JXP forward output TP Input Drive control use for forward pad select jumper Bode Diplex status input JXP IN MAN AUTO LDR boa
42. r at the design level into any amplifier at random Proper alignment is achieved if you observe the reference level at the headend optical receiver output BLE100 Installation and Operation Manual 3 14 Amplifier Setup Return levels used for alignment are not necessarily operational system levels These levels vary from system to system due to differences in equipment architectures and design philosophies For an in depth analysis and discussion of the return path refer to Motorola reference guide Return Path Level Selection Setup and Alignment Procedure Powering and Surge Protection In conventional applications the BLE100s are powered through the input port CAUTION To avoid damage to the hybrids itis recommended that you remove the input pad J XP IN before you apply power to the BLE100 A 20 ampere blade type fuse is furnished in the amplifier module and provides overcurrent protection for AC power applied to the input You can power the BLE100 from the output without passing power through to the input port To block power from the input port remove the power block jumper illustrated in Figure 2 8 WARNING To avoid possible injury to personnel or damage to the equipment remove 60 90 volt ac power from the system before you remove components from the housing The BLE100 is shipped from the factory configured for 38 through 90 VAC powering as described in Section 2 Overview To configure the BLE1
43. rd filter monitor l sees mo wp 10O BAO X9 B m DD Og mri an B1 9 LL VIDIT LL l C js 895 i FN e 16 69 2 o TP Diplex Power Return AC 20A Auto Optional return filter block output test fuse level ICS output pad point ADU JXP JXP OUT jumper shown Return Optional Status Return From Return equalizer thermal monitor hybrid status pad return SRE pad connector monitor JXP IN input JXP THERM If you are not using an ADU QADU you can select manual control of the Bode board Figure 2 8 illustrates the location of the MAN AUTO jumper on the main circuit board BLE100 Installation and Operation Manual Section 3 Amplifier Setup This section provides instructions on how to properly handle and configure the BLE100 It also describes the proper forward and return path alignment procedures It is reeommended that you read this entire section before you install the BLE100 Proper Handling Procedures The following information is
44. rection The standard circuit board contains all components including the diplex filters with extended return bandwidth for the amplifier input and output Optional SRE return equalizers compensate for cable attenuation and are available in 1 dB increments for S split and 2 dB increments for all other splits from 0 dB through 12 dB BLE100 Installation and Operation Manual 2 8 Overview The input and output of the return path each include a JXP B pad facility You can also use either pad socket as a test point or a signal injection point The return output pad value is normally selected to control the return signal level into the next upstream amplifier Select an appropriate return input pad to attenuate excessive input signal The return input test point and the return output test point are 20 dB directional couplers Both test points present 75 ohm source impedance and do not require special test probes Ingress Control Switch The ingress control switch ICS provides return path signal attenuation or cutoff in the BLE100 This is accomplished through the frequency agile LIFELINE status monitoring module which you can purchase directly from AM Networks Figure 2 8 illustrates the location of the optional ICS The ICS provides a means of isolating sources of ingress from a centralized location Using a downstream command through the LIFELINE status monitoring system you can attenuate the return path through the line extend
45. se and then reduce to obtain the level obtained in Step 9 under Manual Gain Control ADU QADU Pads and Levels This subsection provides information regarding the proper ADU QADU padding requirements for the BLE100 JXP B pad is installed in the input line to the ADU QADU location This pad adjusts the ADU QADU input level for the standard application of the BLE100 You can change this pad depending on the operational output of the BLE100 In the BLE100 analog ADU circuit a JXP 7B pad is generally recommended This is the standard ADU pad value as shipped from the factory and is appropriate for an amplifier output level range from 43 dBmV to 49 dBmV at 550 MHz Use a JXP 1B pad for output levels below 43 dBmV and a JXP 11B for output levels above 49 dBmV The standard pad for the QADU is a JXP OB This pad value works for BLE100 output level from 38 dBmV to 47 dBmV at 550 MHz Use a JXP 7B when operating above 47 dBmV at 550 MHz Motorola does not recommend operating the BLE100 above 46 dBmV at 550 MHz Use of an ADU or QADU is recommended for improved output level stability although you can operate the BLE100 in the manual mode Select manual mode by placing the drive control select jumper illustrated in Figure 2 8 in the MAN position The gain of the BLE100 is then determined by the potentiometer marked MAN on the amplifier cover Return Path Alignment The following subsections describe the BLE100 alignment procedures r
46. ting Test Equipment and Connections The equipment typically used for testing the BLE100 consists of a network analyzer such as the HP 8712 or 8713 series a 60 90 Vac bench power supply a cable simulator a Motorola model SSP PIN power combiner and a variety of jumper cables adapters and fittings CAUTION To protect the network analyzer and sweep comparator you must configure the SSP PIN power combiner to block ac power from the input port Fabricate a cable simulator that you can configure to provide the desired cable loss in 1 dB increments up to approximately 30 dB Then connect the test equipment as shown in Figure 4 1 Figure 4 1 Test equipment connections for bench sweeping BLE100 under test Network Cable analyzer simulator Power combiner 60 90 Vac 117 AC power Vac supply Sweep Sweep input output CAUTION Before you begin the following subsection remove the input pad to avoid damage to the hybrids before you N apply power Measuring Forward Gain This subsection provides instructions for measuring the full gain and the operational gain and flatness of the BLE100 To measure the full gain of the amplifier 1 Determine whether the power supply jumper J1 is positioned for LO or HI operation 2 Connect the BLE100 to the test equipment as illustrated in Figure 4 1 and apply power 3 Verify that the dc voltage is 24 V 0 4 V and re install
47. tional access code and then call 956 541 0600 to contact the Repair Facility When shipping equipment for repair follow these steps 1 2 3 4 Pack the unit securely Enclose a note describing the exact problem Enclose a copy of the invoice that verifies the warranty status Ship the unit PREPAID to the following address BCS Nogales Repair Center Attn RSA 6908 East Century Park Drive Tucson AZ 85706 US BLE100 Installation and Operation Manual Section 2 Overview The BLE100 is a two way capable line extender used in CATV distribution systems The BLE100 is powered by the 60 90 VAC cable supply and can be configured to pass this power to additional line extenders Installation of the return path enables two way signal flow The standard model BLE100 includes an amplifier module with an integrated DC power supply which is normally furnished complete in the model BLE HSG 15 housing as shown in Figure 2 1 Figure 2 1 BLE 100 base with electronics module CHECK VOLTAGE ELi REFER TO MANUAL STATUS MONITOR ADU 4 am ASSEMBLED IN MEXICO CAUTION CONTAINS PARTS AND ASSEMBUES SUSCEPTIBLE TO DAMAGE ELECTROSTATE DISCHARGE ESD BLE100 Installation and Operation Manual 2 2 Overview Orderi
48. tput tilt The BLE100 is equipped with the LDR 9 1G interstage equalizer and flatness board that compensates for cable attenuation Any cable or passive slope beyond that of the LDR must be compensated for by selecting and installing the appropriate SFE 100 cable equalizer Equalizers are available in 1 dB increments from 0 dB through 22 dB The following examples describe how to choose the correct equalizer Example 1 The amplifier location includes 20 dB of cable at 1 GHz between its input and the preceding amplifier Consider cable loss only Exclude any flat loss due to splitters or other passive devices The internal equalizer model LDR 9 1G compensates for approximately 9 dB of cable Subtract this cable length from the 20 dB of this example 20 9 11 The SFE 100 11 is the proper equalizer in this case With this equalizer installed the BLE100 reproduces the output tilt of the last upstream amplifier When selecting an equalizer choose the next lower value if the exact value is not available or in cases where the calculated value makes two choices possible Example 2 The BLE100 is used in a link following a fiber node with flat output There is 18 dB of cable between the node and the line extender plus passive losses that are assumed to be flat Which is the proper equalizer to achieve the 10 dB of output tilt In this case calculate the equalizer value by using the following method SLOPEeq TILT yt SIG SIGH SLOP
49. ts using surge waveforms as described in IEEE C62 41 The BLE100 is also FCC CE and CCC approved Features of the BLE100 include 1003 MHz power doubling technology in enhanced gallium arsenide E GaAs Four different modular diplex filter frequency split options Ergonomics 60 90 VAC line power option Thermal and auto controlled Bode equalization 20 dB directional coupler test points Optional return path ingress control accessories Two way operation capability 15 amp power passing Figure 1 1 illustrates a closed BLE100 line extender Figure 1 1 BLE100 closed mm Y MN eM ey 79 9 4 M MOTOROLA CC BLE100 Installation and Operation Manual 1 2 Introduction Figure 1 2 illustrates an open BLE100 Figure 1 2 100 open Base BLE 100 Installation and Operation Manual Introduction 1 3 Using This Manual The following sections provide information and instructions to bench test install and operate the BLE100 Section 1
50. useful in reducing GaAs RF amplifier failures caused by Electrostatic Discharge ESD or Electrical Over Stress EOS Many electronic components are vulnerable to ESD and EOS Improper handling during service and installation can subject the BLE100 to performance degradation or failure All closed operational units are equally protected Compliance with proper handling procedures can significantly reduce ESD and EOS related failures To avoid excessive signal level which causes EOS follow the procedures listed below Field Practice Proper field procedures include Installing the system design value forward equalizer and high value 20 dB or above input pad before you install or remove the electronics chassis or activate the system This significantly reduces RF signal level and avoids possible EOS which can damage the hybrids Leaving the input pad location open if a high value pad is not available more accurate forward input test point reading is achieved with a high value pad installed Avoiding handling of the hybrids If you need to remove or install the hybrids follow proper ESD grounding practices as stated under Bench Setup Bench Setup Proper bench handling practices include Grounding of the test bench with ESD matting on the work surface and wearing a wrist strap connected to a continuous ground monitor checker These practices are particularly important when handling hybrids Terminating all unused ports
51. view Gaskets Each housing is equipped with a recessed woven wire RF gasket and a silicone rubber gasket to provide a seal between the housing base and lid These gaskets provide efficient ground continuity RF shielding and weather protection Both gaskets must be in place and in good condition to ensure proper operation and protection of the station The weather gasket should be lightly coated with silicone grease each time the BLE100 is opened Replace this gasket if it becomes damaged or deformed Figure 2 4 Housing gaskets Weather gasket silicone rubber wn RCB100 STATUS MONITOR D Q i 2 Ties 4 JXP OUT RF gasket woven wire BLE 100 Installation and Operation Manual Overview 2 5 Port Locations Two housing ports provide connection for coaxial cables Four port plugs in the cover enable access to internal test points All ports are protected by factory inserted threaded plugs or plastic cap plugs Discard the plastic cap plugs when you install the cable con
52. with 75 ohm load Securing all electronics module cover screws or removing the cover completely Loose screws can cause the BLE100 to oscillate and degrade performance BLE100 Installation and Operation Manual 3 2 Amplifier Setup To successfully setup the BLE100 you need to perform the following tasks Forward path alignment Return path alignment Check powering and surge protection options Forward Path Alignment You must perform the following BLE100 alignment procedures for proper performance in the forward path Select the appropriate cable equalizer or cable simulator Select the appropriate input and midstage pads Verify proper flatness control Verify proper level control Before You Begin Before you begin to set up the amplifier and perform forward path alignment please read the following instructions and recommendations For proper forward alignment obtain output levels and tilts of all BLE100s in the forward or return path RF input level for the BLE100 being set up from system design or as built map carrier at the system s highest frequency It can be modulated or continuous wave CW and should be inserted in the headend at standard video levels This carrier is used to simplify field set up It is recommended that you Install the system design value SFE 100 and a high value 20 dB or above input pad JXP IN before you install or remove the electronics chassis or appl
53. y power to the BLE100 Leave the JXP IN pad location open if a high value pad is not available A more accurate forward input test point reading is achieved with a high value pad installed Do not remove the electronics chassis cover while the BLE100 is powered Do not use wire jumpers to bypass the SFE 100 location Recognize that actual pad and SFE 100 values may differ slightly from their design values This is caused by factors such as walkout errors worst case data utilization during design and temperature variation from 70 F Secure the electronics chassis in the housing base and torque to 18 22 in lbs to facilitate heat transfer and avoid damage from overheating Ifthe electronics chassis cover was removed for any reason shut off the AC power before you reinstall the cover Verify that all chassis cover screws are tightened to 10 12 in lbs Perform a bench alignment Pre aligning the BLE100 response on the bench Section 4 Bench Testing for a system signature simplifies field alignment BLE 100 Installation and Operation Manual Amplifier Setup 3 3 Field sweep the entire bandwidth of the amplifier to correct frequency response for passive signature and roll off Close the housing in accordance with the instructions in Section 5 Installation STARLINE Cable Equalizers Select the appropriate model SFE 100 to compensate for cable attenuation versus frequency and to obtain the proper ou
Download Pdf Manuals
Related Search