Nuomm NEWSCASTER VT2 User Manual Download

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NewsCaster VT2

Operation

M17-0002-01A Rev 0.0

User Manual

Table 16:

COFDM Data Rates (6 MHz Bandwidth)

Modulation

Code

Rate

Guard Interval

System

1/32

1/16

1/8

1/4

IF = 6.85714275 MHz

Flo = 63.14285725 MHz

BW = 6 MHz

Clk=27.428571 Mbit/s

Data Rate (Mbit/s)

1/2

4.5240645 4.48248248 4.2334561 3.81011061

2/3

6.03208575

5.854671 5.5294118 4.9764705

QPSK

3/4

6.786096

6.58650525 6.2205885 5.5985295

5/6

7.540107

7.31833875 6.9117645 6.2205885

7/8

7.9171125 7.68425625 7.2573533 6.531618

1/2

9.048129

8.7820065 8.294118 7.4647065

2/3

12.0641715 11.709342 11.058824 9.952941

16-QAM

3/4

13.572192 13.1730105 12.441177 11.197059

5/6

15.080214 14.6366775 13.823529 12.441177

7/8

15.834225 15.3685125 14.514707 13.063236

1/2

13.5721935 13.1730098 12.441177 11.1970598

2/3

18.0962573 17.564013 16.588235 14.9294115

64-QAM

3/4

20.358288 19.7595158 18.661766 16.7955885

5/6

22.620321 21.9550163 20.735294 18.6617655

7/8

23.7513375 23.0527688 21.77206 19.594854

Summary of Contents for NEWSCASTER VT2

Page 1: ...ilby Road Hackettstown NJ 07840 Tel 908 852 3700 Fax 908 813 0399 www nucomm com NEWSCASTER VT2 ENG OB Microwave Transmitter User Manual NUCOMM PUBLICATION M17 0002 01A REV 0 0 For NCVT2 Rev B Softwar...

Page 2: ...the purchase order There are no warranties expressed or implied except as stated herein This limitation on warranties shall not be modified by verbal representations Proprietary Disclaimer Notice All...

Page 3: ...problem Name of an engineer or technician we may contact in regards to this problem Include a ship to and bill to address Ship to Nucomm Inc 101 Bilby Road Hackettstown New Jersey 07840 For Internatio...

Page 4: ...ng cannot be construed as a statement of safety To prevent voiding of the Nucomm warranty that protects the equipment please contact Nucomm before servicing or making any repairs Shipping Damage Equip...

Page 5: ...d and perform all instructions carefully Failure to follow suggested instructions and guidelines may void all warranties FCC STATEMENT This equipment has been tested and found to comply with Part 74 6...

Page 6: ...ectrical Installation 32 4 6 RF Head Mechanical Install 35 4 7 Preparing the Interconnect Cables including Nycoil 37 4 8 RF Head Connectors 44 4 9 Control Unit RF Head Interconnect 46 5 Operation 49 5...

Page 7: ...ern of RF Head Base Plate 36 Figure 14 Nycoil Block Diagram Standard Coax or Triax Configuration 37 Figure 15 Nycoil Block Diagram Alternate Coax Configuration 37 Figure 16 Pan Tilt Power 120VAC Inter...

Page 8: ...ster VT2 38 Table 8 AUX Power cable pin out 38 Table 9 Pan Tilt Power 120 VAC Connector Pin outs 39 Table 10 Pan Tilt Power 12 VDC Connector Pin outs 40 Table 11 Quickset QPT90 12 VDC 120 VAC Pan Tilt...

Page 9: ...NewsCaster VT2 M17 0002 01A Rev 0 0 9 User Manual Document Revision Date Modified Revision Modified by Modification Detail October 10 2006 0 0 R Risch M Hardy Initial release...

Page 10: ...NewsCaster VT2 M17 0002 01A Rev 0 0 10 User Manual...

Page 11: ...ors The NewsCaster VT2 is fully integrated with an Analog FM modulator compliant super low delay MPEG 2 Encoder and Multimode Digital Modulator Available modulations include FM NTSC PAL COFDM optional...

Page 12: ...digital system would be described with a power indicator of E2 A Dual Band system would have two sets of power indicators to show the power levels at both bands CC Nucomm assigns a frequency chart num...

Page 13: ...ional Joystick for Pan Tilt Optional Digital Analog Input Signals The NEWSCASTER VT2 Control Unit accepts multiple input formats These include Composite video NTSC PAL Digital video as SDI with audio...

Page 14: ...NewsCaster VT2 Features M17 0002 01A Rev 0 0 14 User Manual 01 23 4 5 6 6 170 23 5 8 88 9 8 Figure 3 Control Unit Block Diagram...

Page 15: ...VT2 will remain in STANDBY until on frequency lock has been obtained Switching from STANDBY to the NORMAL operating mode results in instantaneous on frequency transmission If the synthesizer has not...

Page 16: ...RF Head are typically connected with a single Coax or Triax cable This cable carries the 70 MHz IF and the Control Data signals and in a typical system carries the power to the RF Head which is diple...

Page 17: ...t power The RF unit is equipped with type N connectors for the directional and optional omni directional antenna s Other Standard Features Digitally synthesized microwave oscillator tuning RS232 RS485...

Page 18: ...NewsCaster VT2 Features M17 0002 01A Rev 0 0 18 User Manual...

Page 19: ...y stability 5ppm 0005 Power Output 2 GHz band Standard 12 Watt Analog 4 Watt Digital Optional 10 Watt Digital 6 7 GHz band Standard 5 Watt Analog 2 Watt Digital Optional 10 Watt Analog 4 Watt Digital...

Page 20: ...tion 1 V p p for 3 MHz deviation Video input sensitivity switchable Pre emphasis or Flat Field selectable Pre emphasis NTSC PAL B G or M field selectable Video Low Pass Filter field selectable 3 9 4 5...

Page 21: ...io Line Input US 8 dBm 600 for 75 kHz deviation International 12 dBm 600 for 100 kHz deviation Frequency Response 30 Hz to 10 kHz 0 5 dB 10 kHz to 15 kHz 1 0 dB Signal to noise Line audio 65 dB Deviat...

Page 22: ...g Connectors Control Unit Video SDI DVB ASI 70MHz Type BNC F Audio Removable Screw Terminal Strip IF output to RF Head TNC F optional Triax Optional AUX Power out Terminal Strip Remote Control RS232 R...

Page 23: ...ified at the time of purchase CHANNEL FREQUENCY PLAN CHART NO 326 2 GHz 17 MHz Frequency Range 1 994 MHz 2 497 MHz Channel Offset Receive Frequency MHz 1 1 994 75 1 0 1 999 00 1 2 003 25 2 2 012 25 2...

Page 24: ...y MHz 1 2 028 50 1 0 2 031 50 1 2 034 50 2 2 040 50 2 0 2 043 50 2 2 046 50 3 2 052 50 3 0 2 055 50 3 2 058 50 4 2 064 50 4 0 2 067 50 4 2 070 50 5 2 076 50 5 0 2 079 50 5 2 082 50 6 2 088 50 6 0 2 09...

Page 25: ...931 25 3 0 6 937 50 3 6 943 75 4 6 956 25 4 0 6 962 50 4 6 993 75 5 6 981 25 5 0 6 987 50 5 6 993 75 6 7 006 25 6 0 7 012 50 6 7 018 75 7 7 031 25 7 0 7 037 50 7 7 043 75 8 7 056 25 8 0 7 062 50 8 7...

Page 26: ...50 2 12 743 75 2 12 750 00 3 12 756 25 3 0 12 762 50 3 12 768 75 3 12 775 00 4 12 781 25 4 0 12 787 50 4 12 793 75 4 12 800 00 5 12 806 25 5 0 12 812 50 5 12 818 75 5 12 825 00 6 12 831 25 6 0 12 837...

Page 27: ...0 00 3 13 006 25 3 0 13 012 50 3 13 018 75 3 13 025 00 4 13 031 25 4 0 13 037 50 4 13 043 75 4 13 050 00 5 13 056 25 5 0 13 062 50 5 13 068 75 5 13 075 00 6 13 081 25 6 0 13 087 50 6 13 093 75 6 13 10...

Page 28: ...NewsCaster VT2 Specifications Frequency Plans M17 0002 01A Rev 0 0 28 User Manual...

Page 29: ...als are diplexed on the inner shield of the cable WARNING DO NOT connect the wrong type cable to the wrong type unit since doing so will damage one of the connectors and result in intermittent failure...

Page 30: ...NewsCaster VT2 Installation M17 0002 01A Rev 0 0 30 User Manual Figure 5 Control Unit Front Panel...

Page 31: ...TION IF INTERFACE 7 The IF Interface center conductor carries 48V to power the RF Head Do not connect any instruments without use of a special test cable 10 NOTE Depending on the configuration ordered...

Page 32: ...ront panel interface Refer to Section 5 for details Available video inputs and outputs are SDI Input Serial Digital Interface This signal combines both digital audio and digital video into one signal...

Page 33: ...rol data c 48VDC for the RF Head For cases when an existing non conforming IF cable that cannot handle 48 VDC the AUX Power option must be fitted on which will provide the 48V on a separate connector...

Page 34: ...Pan Tilt Pwr This optional connector is used to provide power to the Pan Tilt Motor See Figure 6 Detail 10 for connector location on the Control Unit Detailed cabling info for 120 VAC Pan Tilt system...

Page 35: ...RF Head to the Pan Tilt mounting adapter plates are available The plate is first mounted to the Pan Tilt with 4 1 4 20x 750 flat head screws then the RF Head are mounted to the adapter plate s For ca...

Page 36: ...Installation M17 0002 01A Rev 0 0 36 User Manual Figure 13 Hole Pattern of RF Head Base Plate Drill holes A are 250 Dia through drilled Material is ALUM 6061 thick Use four 4 size 20 x 750 screws to...

Page 37: ...1505 may require the use of the AUX Power option Refer to Table 7 for more details on using the cables types mentioned Table 8 details the AUX Power cable Figure 14 Nycoil Block Diagram Standard Coax...

Page 38: ...ed N A 70MHz IF Inter Unit Data 48 VDC Power Triax Connector Trompeter PL375 13A Nucomm 511 F3002 000 Standard Triax w P T Pan Tilt Power 18 AWG 4 120 VDC 7 Pin Connector Nucomm 512 F3003 070 TNC Conn...

Page 39: ...ontrol Unit PAN TILT POWER Function Recommended Wire Size AWG RF Head PAN TILT PWR FROM CONTROL A 160VAC 18 White A B 160VAC 18 Red B C Not Used C D Not Used D E 160VAC 18 Brown E F 160VAC 18 Black F...

Page 40: ...mended Wire Size AWG RF Head PAN TILT PWR FROM CONTROL A 12VDC 18 YELLOW A B 12VDC 18 YELLOW B C GND 18 BLACK E D GND 18 BLACK F No Connection Not Used C No Connection Not Used D No Connection Not Use...

Page 41: ...sition Pot Ref A 20 Black White D E AZ Left 20 Red White E F Elev Pot Wiper 20 Green White F G Chassis Ground 20 Blue White G H Field 120 VAC Units Only 20 Orange H J Elev Up 20 Blue J K Elev Down 20...

Page 42: ...C CW Default N C N C E V 22 BROWN A C H 22 RED B D 2 7 GHz Band Select 22 GREEN L F CCW 22 WHITE D G Common Ground 22 BLACK E K Earth Ground N C N C N C N C N C F N C N C N C H N C N C N C J N C N C N...

Page 43: ...t N C N C E V 22 BROWN F C H 22 RED B D 2 7 GHz Band Select 22 GREEN G F CCW 22 WHITE C G Common 24V 22 BLACK K N C Shield GND N C L K DC GND 22 BLUE M N C N C N C A N C N C N C D N C N C N C E N C N...

Page 44: ...re 21 Detail 12 Pan Tilt Power from Control This connector if configured inputs power from the Control Unit which is then passed on to the RF Head See Table 9 and Figure 16 for 120 VAC P T See Table 1...

Page 45: ...ad AUX Power Connector Figure 23 RF Head Rear Panel Dual Band shown with optional Omni ports WARNING DO NOT connect the wrong type cable to the wrong type unit since doing so will damage one of the co...

Page 46: ...0 MHz IF and optional power conductors if configured for Pan Tilt An auxiliary power cable is required if using 75 RG 59 or optional 50 RG 58 RF Head Connections Perform the following Connect the IF c...

Page 47: ...rm will handle a maximum load of 90 lbs with 0 355 of rotation and 90 of tilt The unit features adjustable limit switches for rotation and tilt The Pan Tilt is controlled by an optional joystick which...

Page 48: ...NewsCaster VT2 Installation M17 0002 01A Rev 0 0 48 User Manual...

Page 49: ...the up or down arrow keys to scroll the available screens Refer to Figures 29 30 When the desired setting has been made press ENT Enter to save the entry and put any change s into effect If ENT Enter...

Page 50: ...nt The power mode of the NewsCaster VT2 is set automatically to ANALOG or DIGITAL based on the Modulation 14 selected on the front panel This should not be confused with the power output The user can...

Page 51: ...deo signal is reapplied the unit will return to Normal mode within 2 seconds If the TEST GEN function is installed the user may select Color Bars to be activated rather than having the unit go into ST...

Page 52: ...er has a bandwidth of about 4 0 MHz for NTSC and 5 6 MHz for PAL The NTSC filter selectivity ensures the higher frequency video components do not interfere with the 4 83 MHz audio sub carrier SDI SDI...

Page 53: ...this function should be disabled See Options in Section 5 3 HI LOW RF POWER 13 This key selects whether the unit will operate in HI or LOW power mode MODULATION MODE 14 This key selects whether the u...

Page 54: ...udio 2 Right Each has an identical set of parameters 1 Input selects the type of audio input source going to the VT2 Line analog source Tone self generated source AES EBU digital source and Off 2 Inse...

Page 55: ...spacing between each frequency This spacing ensures that only one carrier is addressed at a time and that no crosstalk exists between carriers Under the Guard sub menu the user can set the amount of d...

Page 56: ...4118 5 6 30 160428 29 273355 27 647058 24 882354 7 8 31 66845 30 737025 29 029413 26 126472 Table 15 COFDM Data Rates 7 MHz Bandwidth Modulation Code Rate Guard Interval System 1 32 1 16 1 8 1 4 IF 7...

Page 57: ...2205885 5 5985295 5 6 7 540107 7 31833875 6 9117645 6 2205885 7 8 7 9171125 7 68425625 7 2573533 6 531618 1 2 9 048129 8 7820065 8 294118 7 4647065 2 3 12 0641715 11 709342 11 058824 9 952941 16 QAM 3...

Page 58: ...B is the same as 8 VSB with Trellis coding 8T VSB 8T VSB 6MHz is the ATSC standard ENCODER MENU The Encoder Menu allows the user to adjust the MPEG Encoder s operating parameters The menu accesses fou...

Page 59: ...o set the hexadecimal value for the audio 1 stream Audio 2 PID if configured allows the user to set the hexadecimal value for the audio 2 stream NOTE Each PID must be a unique value GOP Settings With...

Page 60: ...ny reason the unit will not return to transmit without user intervention 3 Preset Changes allows the user to enable Yes or disable No the use of Channel Presets 4 Directional Antenna Only allows the u...

Page 61: ...ws the user to restore all factory settings The choices are YES or NO WARNING Restoring factory default values WILL OVERWRITE ALL USER SETTINGS Frequency Settings This menu allows the user to modify t...

Page 62: ...nd data of the Front Panel section ALARMS SCREEN The Alarms Screen provides the user with a list of current unit alarms that have been triggered by a problem with either the signal reception or with t...

Page 63: ...NewsCaster VT2 Operation M17 0002 01A Rev 0 0 63 User Manual...

Page 64: ...e available settings The settings for all ASC s are modified in the same fashion ASC 1 is used as the example 2 17 7 13 This setting controls the frequency for the selected Sub Carrier when operating...

Page 65: ...controls your Video Deviation bandwidth when operating in the pre Nextel 2 GHz band USA and also for all the other frequency bands i e 7 GHz or 13 GHz The possible selections are 3 MHz or 4 MHz BW 2G...

Page 66: ...a Error A setting is set to an illegal value 1 Power cycle the radio 2 Check modulation parameters 3 Check all other settings 4 Consult with factory MOD EMB RATE 1 or MOD EMB RATE 2 Embedded Audio 1 o...

Page 67: ...r there is a loading problem 2 Consult with factory RF 5V Error or RF 12V Error or RF 12V Pwr Amp Err or RF 24V Error or RF 45V Error RF Head Power Amp 12 VDC out of acceptable range 1 Disconnect the...

Page 68: ...ter 2 Internal connector or cable problem 3 Consult factory UC I2C Error Internal problem in the UC Consult the factory UC IFLO Unlock IF Local Oscillator Reference cannot phase lock 1 Ensure there ar...

Page 69: ...to the wrong value If that doesn t solve the problem then make a check of all internal cabling of the NCVT2 Control Unit ensuing that all cables are properly seated and fastened tightly if applicable...

Page 70: ...v 0 0 70 User Manual 7 7 8 7 01 23 7 8 7 7 7 8 7 7 7 8 7 8 7 7 0 0 0 5 1 7 6 7 0 0 7 1 2 3 7 8 1 4 7 6 056 056 1 056 7 9 A 7 1 7 B C 7 9 7 7 8 7 8 7 8 1 A 6 4 7 8 7 8 7 8 7 8 7 8 7 4 7 7 17 17 7 6 056...

Page 71: ...Operation M17 0002 01A Rev 0 0 71 User Manual 4 7 7 7 2 7 7 7 7 9 7 B7 07 1C 57 1C C7 1C 17 1C 7 0 7 1 7 1 7 71 7 A 7 8 9 0 1 0 1 2 7 9 7 9 7 7 9 9 7 8 1 7 7 7 4 7 4 7 7 4 7 B7 2 07 9 7 7 9 7 7 Figur...

Page 72: ...NewsCaster VT2 M17 0002 01A Rev 0 0 72 User Manual...

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