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Nautel VSHD Exciter, Instruction Manual

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VSHD Exciter 

 

FOR USE WITH VS SERIES 

TRANSMITTERS 

 

 

Technical Instruction Manual 

 

 

 

Issue 2.0 .......... 04 May 2017 

 

 

 

 

Nautel Limited 

10089 Peggy's Cove Road, 

Hackett's Cove, NS, Canada B3Z 3J4 

T.877 6 nautel (628835) or +1.902.823.2233 

F.+1.902.823.3183 [email protected] 

 

U.S. customers please contact: 

Nautel Inc. 

201 Target Industrial Circle, Bangor ME 04401 

T.877 6 nautel (628835) or +1.207.947.8200 

F.+1.207.947.3693  [email protected] 

 

e-mail: [email protected] 

www.nautel.com 

 

 Copyright 2017 NAUTEL. All

 

rights reserved. 

Summary of Contents for VSHD Exciter

Page 1: ...ett s Cove NS Canada B3Z 3J4 T 877 6 nautel 628835 or 1 902 823 2233 F 1 902 823 3183 info nautel com U S customers please contact Nautel Inc 201 Target Industrial Circle Bangor ME 04401 T 877 6 naute...

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Page 3: ...replacement module as part of Nautel s module exchange program the old module must be returned to Nautel within 30 days of receipt of the new module at the buyers expense If the old module is not rec...

Page 4: ...lity 12 Third party items ordered the guarantee warranty of these items will be from the manufacturer of these items Exercise of such warranty shall be between the Buyer and the third party provider 1...

Page 5: ...e to the customer When the warranty has expired a charge of 80 of the list price for all exchanged modules is made If the faulty module is returned to Nautel within 30 days a credit is issued reducing...

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Page 7: ...on against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accorda...

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Page 9: ...nnection 2 8 2 3 3 Program Input Connections 2 8 2 3 4 VSHD Exciter VS Transmitter Connections 2 13 2 3 5 LAN Connection 2 13 2 4 COMMISSIONING PROCEDURE 2 14 2 4 1 Turn On Prerequisites 2 14 2 4 2 In...

Page 10: ...Exciter Rear View 2 9 3 1 Tool Menu Options 3 1 3 2 AM AM Correction 3 2 3 3 AM PM Correction 3 3 3 4 Power Distribution Graph 3 4 3 5 Signal Constellation 3 5 3 6 Oscilloscope 3 6 3 7 Presets Page G...

Page 11: ...VSHD Exciter Technical Instruction Manual May 4 17 Release Control Record Issue Date Reason 2 0 4 May 2017 New hardware release of product NAE103B...

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Page 13: ...ed SCA inputs RBDS RDS generator and composite balanced or unbalanced The VSHD also accepts an internet playlist as a backup audio stream from the VS transmitter via a secondary AES EBU input and prov...

Page 14: ...559 mm deep All VS transmitter interconnections and user interface connections are made on the rear panel of the exciter 1 5 2 Clearances Ensure that the clearances at the front and the rear of the V...

Page 15: ...tor assembly A9 has been installed between the RF Drive of the VSHD Exciter and the Power Amplifier The Power Amplifier A5 has L1 on the PA PWB removed for proper IBOC operation VS1 The internal RF dr...

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Page 17: ...ge prior to acceptance 2 2 2 Unpacking Preparation for Installation Adhere to any warnings or instructions posted on the shipping container Packing lists provide detailed listings of shipment contents...

Page 18: ...Table 2 1 to install the VSHD exciter Table 2 1 Packing Supplies VSHD Exciter Nautel Part 211 8981 01 ITEM LETTER QTY NAUTEL PART DESCRIPTION 2 1 211 3005 Ancillary Kit VSHD 3 1 211 8982 01 Installat...

Page 19: ...VSHD Exciter Technical Instruction Manual Page 2 3 Section 2 Installation Issue 2 0 Figure 2 1 Parts required for Installation...

Page 20: ...er Assembly Release Assemble parts C D and E of the rack mount assembly Tighten hardware connecting parts D and E Leave the hardware connecting parts C and D finger tight to allow for rack depth adjus...

Page 21: ...s necessary to secure hardware passing through part D only For Nautel racks install eight nut retainers H on the rack rails to align with four holes in the front of each rack mount assembly Install fo...

Page 22: ...ket on the screws against the back of the nut retainers if used and install securing hardware M N and O Secure the rack mount assembly to the rack rear using four A screws and M N and O securing hardw...

Page 23: ...o paragraph 2 3 3 1 3 to determine if it is necessary to configure the MPX input s jumper setting 2 3 3 4 Mounting the VSHD Exciter Attach part B of the rack slider assembly to the exciter ensuring co...

Page 24: ...ence ground through a single isolated conductor The conductor should be a low impedance copper conductor minimum braid 4 inch strap or 0 AWG wire NOTE Do not connect the VSHD exciter s ground point to...

Page 25: ...Dimensions mm inches VSHD Exciter Rear View Issue 2 0 Not to Scale Figure 2 8 Page 2 9 2 10 Blank...

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Page 27: ...erator input level 2 3 3 1 3 MPX Input Balanced and unbalanced wideband MPX composite inputs 30 Hz to 100 kHz are provided on the BAL UNBAL MPX BNC connector A1J6 The UNBAL BAL jumper A1E1 see Figure...

Page 28: ...h allows the customer to install any additional wiring on the VSHD exciter s ANALOG AUDIO IN connector or associated VS transmitter s REMOTE I O A connector to accommodate other possible audio sources...

Page 29: ...ails on using this connection If used connect the D sub to D sub cable W2 between the VS transmitter s REMOTE I O A connector A1J2A using the W2P1 end and the VSHD s ANALOG AUDIO IN connector A1J5 usi...

Page 30: ...on or commissioning procedures of the VS transmitter for more information see the VS Installation Manual 2 4 1 Turn On Prerequisites Verify the exciter is ready to turn on by completing the following...

Page 31: ...and NRSC regulations and DTS formerly iBiquity Digital Radio Corp HD Radio FM Transmission System Specification mask for Hybrid or All Digital transmission Verify that the Average PA Dissipation mete...

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Page 33: ...Paragraphs 3 1 1 through 3 1 4 describe the operational differences when using the VSHD exciter Where applicable this manual references sections and figure numbers in the VS manual to illustrate the n...

Page 34: ...drive power is required to correct for low final stage amplifier gain the curve sharply increases as it drops to 0 table value This low gain can also be overcome using additional bias however pre cor...

Page 35: ...ll be displayed in the plot given high output power levels This correction is represented on the plot via the x axis table index value of between 0 255 The y axis represents the phase shift correction...

Page 36: ...power The y axis displays the probability of exceeding that power level This graph can be used to assess the distribution of a given signal and provides an indication of the amount of peak power capa...

Page 37: ...ward path that will be transmitted Sub carrier group information is shown in the lower right section of the screen Displayed information includes the sub carrier group name the bandwidth that the sele...

Page 38: ...re for each selected input and cannot be adjusted The following button controls are available Use the cog button to access the measurement source setting refer to the VS transmitter s Operations and M...

Page 39: ...g applying reloading and saving are the same The General and Other Audio tabs contain VSHD pertinent selections which are described below 3 1 2 1 USING THE AUI Figure 3 7 Presets Page General tab Gene...

Page 40: ...digital sideband HD PA Volts for FM HD HD and DRM modes enter value in volts between 30 0 V and 53 0 V default is 53 0 V This value sets the drain voltage applied to the PAs in the RF power modules fr...

Page 41: ...he receiver output of decoded analog and digital audio signals Mod Loss Timeout select Enabled or Disabled as required If Enabled is selected the following sub fields will appear Action select the act...

Page 42: ...hich is below the threshold The input signal is distorted by the audio gain change Threshold allowable range is 0 160 defaulted to 120 Gain allowable range is 0 100 defaulted to 56 2 L R Limiter this...

Page 43: ...ter spectrum limits cannot be achieved the injection level and or power level set point will be reduced if configured to permit these reductions Refer to Section 3 1 3 2 for more information on config...

Page 44: ...d FM HD HD all digital VS300 8 W 8 W VS1 32 W 32 W VS2 5 64 W 64 W IBOC Mode See Figure 3 10 Use the up and down buttons to locate the desired mode of operation FM FM HD HD or DRM then press the accep...

Page 45: ...ttons to select an IBOC injection level between 20 and 10 dBc in 0 1 dB increments then press the accept checkmark button to save the change Press the cancel X button to discard changes and return to...

Page 46: ...e 3 1 3 1 System Settings Spectrum Efficiency Optimizer see 3 1 3 2 User Settings Exgine Settings see 3 1 3 3 WARNING Device settings are established at the factory and should not require any adjustme...

Page 47: ...ection level digital power if the spectrum mask requires it Reduce Power Set Point If Required Select Yes or No Selecting Yes enables a reduction in the transmitter power set point if the spectrum mas...

Page 48: ...from the Main Menu This menu has five sub menu options see Figure 3 15 Enable Reduce Inj Reduce TPO Desired Delta Required Delta Figure 3 15 Front Panel UI HD Optimizer Menu Use the up and down butto...

Page 49: ...t Select OFF to disable this setting Set the desired clearance between 10 dB and 0 dB from the spectral mask The default setting is 1 dB which will maintain a 1 dB clearance from the mask for maximum...

Page 50: ...and set network information such as Exgine IP Netmask Gateway and E2X Exgine Port The Exporter IP setting determines which Exporter Plus to interface with if more than one Exporter Plus exists on a co...

Page 51: ...s menu NOTE If you select VS HD Exciter make sure the associated VS transmitter has been physically modified to operate with the VSHD exciter see Section 2 2 2 for details 3 1 5 Front Panel Indicators...

Page 52: ...o connect to the VSHD exciter s LAN port connection Determine the IP address of the Exgine using the associated transmitter s user interface see 3 1 3 3 and enter the address into the web browser s ad...

Page 53: ...VSHD Exciter Technical Instruction Manual Page 3 21 Section 3 Operation Issue 2 0 Figure 3 20 Statistics tab Figure 3 21 Status tab...

Page 54: ...Page 3 22 VSHD Exciter Technical Instruction Manual Issue 2 0 Section 3 Operation Figure 3 22 Alarms tab Figure 3 23 Configuration tab...

Page 55: ...es as part of the associated VS transmitter s software upgrade process The VSHD exciter and VS transmitter upgrades are part of the same tgz file If the VSHD exciter is selected the VS transmitter wil...

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Page 57: ...ss occurs the state prior to the event is retained the transmitter recovers to the same preset remote enabled disabled mode and RF on off mode these settings are stored in EEPROM Reset the clock s and...

Page 58: ...uts Locate the AES EBU XLR audio connector J3 on the rear panel Remove the two small pan head Phillips screws Remove the silver push button lock push lever on the XLR connector Locate the HAS78 remova...

Page 59: ...cribed in Step c CAUTION When re installing the exciter PWB lift the PWB high enough so that the mounting pillars do not damage the underside of the PWB h Install the replacement PWB Replace all hardw...

Page 60: ...Re install the exciter in its host cabinet if provided reconnect all interconnect cables and restore operation by enabling ac Check and restore presets and audio settings to your specific configurati...

Page 61: ...olumns to aid in locating specific information 5 2 MANUFACTURERS CODE INDEX Table 4 1 provides a cross reference from the original equipment manufacturers OEM codes to the manufacturer s name To deter...

Page 62: ...Page 5 2 VSHD Exciter Technical Instruction Manual Issue 2 0 Section 5 Parts Lists NAE103B...

Page 63: ...y detail drawing for detailed wiring information of these assemblies 6 3 PRINTED WIRING PATTERNS The need for printed wiring pattern information is beyond the scope of this manual therefore detailed p...

Page 64: ...2 COM P4 5 9 Black 22 U2 COM P4 7 10 Black 22 U2 5V P6 4 11 White 22 U2 5V P3 11 12 White 22 U2 5V P3 23 13 White 22 U2 COM P3 12 14 Black 22 U2 COM P3 24 15 Black 22 U2 COM U3 V 16 Black 16 U2 V P3 2...

Page 65: ...1J12 W1P1 A1J15 W1P2 A2J1 W2P1 A1J11 W2P2 A3J8 W3P1 A1J14 W3P2 A3J2 W4P1 A3J1 W4P2 U4J1 W5J1 EXT 10 MHz W5P1 A3J3 W6P1 A3J4 W6P2 A1J13 Table 6 4 Connector Mating Information VSHD Exciter VS Transmitte...

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Page 67: ...TIONS Reference designations were assigned in accordance with American National Standard ANSI Y32 16 1975 Reference Designations for Electrical and Electronic Parts and Equipment Each electrical symbo...

Page 68: ...cs are structured in a hierarchical format that is based on function and signal flow Wherever practical the signal flow is from left to right Inputs normally originate on the left hand side and output...

Page 69: ...VS A1J1 W2P2 W1P2 J1FORVS300 W2P1 A1J2A TRANSMITTER RFDRIVE RFSAMPLE AUDIOOVERIP STREAMING A1J5 A1J2 VSHDEXCITER W3P1 W4P1 W1P1 AES EBUFROM XMTRLINK J3FORVS1ORVS2 5 J4FORVS300 J1FORVS1ORVS2 5 B2110001...

Page 70: ...22 17 23 W5P1 J14 DSR DCD RX N A TX V V D D V D GND FANV 5V A PA1BIAS N A J4A S2110157 V3 EXT10MHz HDDATA HDDATA 5 4 HDUPGRADERX 3 EXT 15VIN REMOTEINPUT10 NOTASSIGNED REMOTEINPUT9 NOTASSIGNED REMOTEIN...

Page 71: ...123 V4 RT1 B5920 E 3 B1 A B C C5 C7 33pF D A4 0 1 C8 B 0 1 C5 A F B 10 C7 0 01 C10 1 0 C9 0 01 C6 10 C3 C 6 VRMS ADL5501 U2 3 RF_IN 3 RF_IN 150 R11 R23 82 5 332 R19 150 R17 121 R3 R7 121 R8 1000 221 R...

Page 72: ...Assembly Detail Modified VS300 for use with VSHD Exciter Issue 2 0 Not to Scale Figure 7 4 Sheet 1 of 1...

Page 73: ...MISOADC PRE AMPV FANV PART 5V A FANV 4 2 GND 16 19 2 J12 15 17 6 14 19 11 4 7 J5A 5 3 2 13 7 4 J8A 2 2 2 J16 28 29 38 2 3 4 17 39 13 22 23 RTS GND TXD N A N A TX D D GND 5V D GND FANV FANV N A IPABIAS...

Page 74: ...RT1 RXE050 N C 25 23 18 22 R 68 1 R17 150pF C19 681 R25 68 1 R22 R24 221 1 1 1 1 1 0 01 C5 C4 0 1 0 01 C3 0 01 C2 0 01 C8 SPLITTERPWB 50 30W R4 50 30W R3 R1 50 30W 50 30W R2 3 RF_IN 4 COM 681 R15 68...

Page 75: ...A1V N A TB1 2 X2 X1 DS1 A B2 B1L1 B1 2 15 11 8 6 17 CONTROL EXCITER PARTOF 3 SUPPLY P1 CB1E1 B1P1 J5 1 FANENABLE PARTOF 1 3 1 2 15 J3 11 8 6 17 DISTRIBUTION PWB A2 3 5 1 PSACFAIL ENABLERETURN VESENSE...

Page 76: ...REMOTEINPUT3 RESET J7 ANALOGAES EBUIN 3 2 PROGRAMSOURCES BALANCEDANALOGAUDIO RIGHT SCA2 IN 7 BALANCEDANALOGAUDIO RIGHT SCA2 IN 2 3 BALANCEDANALOGAUDIO SHIELD IN BALANCEDANALOGAUDIO LEFT SCA1 IN 6 5 1...

Page 77: ...NTERFACE R26 332 D C 49 9 R18 RXE050 1 RXE050 RT3 RT1 RXE050 30W R2 50 E1 E1 E2 68 1 R17 681 R15 150pF C19 274 R25 332 R22 0 1 C10 0 1 C17 0 01 C9 0 01 C15 0 01 C2 0 01 C26 A4 30W 100 R3 1 3 150 R5 3...

Page 78: ...5 8 6 3 1 P3 B1 3 8 6 A2P1 P5 L1 0 1 C2 0 1 C1 R DS1 A DS1 B G L4 GND R DS2 A A4 TRANSMITTERLINKTX 27V J8 W4P1 EXGINEPWB SCL SDA REF_TRIP 50V POWER AMPLIFIERPALLET RF_MONITOR W4P2 AUDIOPROCESSOR TOCON...

Page 79: ...SHD Exciter Top View cover removed Issue 2 0 Not to Scale Figure 7 11 Sheet 1 of 1 U3 A1 EXCITER PWB A2 PA MODULE A3 EXGINE PWB U1 B1 U2 A4 LED PWB MPX BAL UNBAL jumper E1 27 V POWER SUPPLY AC POWER E...

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