BroadBand reference Guide - Satellite Engineering Group

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AQT - ATSC to QAM Transcoder Left/Right Sequence Details The Left/Right sequence is where the core variables of the AQT are programmed. It is accessed when a user depresses the t (L) or u (R) arrow navigation keys. There are 4 main adjustable variables for each module. AQT - LCD Left/Right Variable Sequence 31
AQT - ATSC to QAM Transcoder • OUTPUT CATV — permits the entry of the desired output channel number to program the AQT module, tuning range is NTSC CATV channel 2—135, (digital center frequency) • INPUT FREQ — permits the entry of the desired input signal center frequency to program the AQT module, tuning in frequency range of 54—864 MHz, (digital center frequency) • OUTPUT LEVEL — permits the entry of the desired output signal level in dBmV as an average power measured signal, range is +30 to +40 dBmV, optimum SNR performance is achieved by setting the unit output @ +40 dBmV • OUT QAM MODE — permits the entry of the desired QAM mode, the unit has six available QAM modes: o NORMAL: The "NORMAL" QAM mode outputs a 6 MHz QAM modulated signal and must be used with 8VSB input o OFF: The "OFF" QAM mode outputs no signal from the module (When a module is placed in the QAM off mode, the status LED indicator will blink) o CW: The "CW" (carrier wave) mode outputs a CW signal that is very useful for measuring the output level of the unit, the CW signal is a true representation of the QAM signal level (When a module is placed in the QAM CW mode, the status LED indicator will blink) (See the QAM Signal Level Testing section for more detail) o CW ALL: Puts all modules installed in a rack chassis into CW mode for ease of level adjustment o NORMAL ALL: Returns all modules installed in a rack chassis to normal mode required for normal operation o PASS THRU: Disables null packet processing - This mode must be used when the input to the AQT is QAM 32
Page 1 and 2: One Jake Brown Road, Old Bridge, NJ
Page 3 and 4: Table Of Contents Company Profile..
Page 5 and 6: Table Of Contents (cont.) PAL G Cha
Page 7 and 8: Table Of Contents (cont.) Wavelengt
Page 9 and 10: Headend Products A specification su
Page 11 and 12: Switch Settings - AP/AD-1 Blonder T
Page 13 and 14: AQD - ATSC/QAM Demodulator The Blon
Page 15 and 16: AQD - ATSC/QAM Demodulator Unit Rea
Page 17 and 18: AQD - ATSC/QAM Demodulator Loop Dis
Page 19 and 20: AQD - ATSC/QAM Demodulator Interact
Page 21 and 22: AQD - ATSC/QAM Demodulator Variable
Page 23 and 24: AQD - ATSC/QAM Demodulator PICTURE
Page 25 and 26: AQD - ATSC/QAM Demodulator AQD Quic
Page 27 and 28: AQM - Agile QAM Modulator Unit Fron
Page 29 and 30: AQM - Agile QAM Modulator Programmi
Page 31 and 32: AQM - Agile QAM Modulator RF OUT Th
Page 33 and 34: AQT - ATSC to QAM Transcoder The Bl
Page 35 and 36: AQT - ATSC to QAM Transcoder Unit R
Page 37: AQT - ATSC to QAM Transcoder Loop D
Page 41 and 42: AQT - ATSC to QAM Transcoder Intera
Page 43 and 44: AQT - ATSC to QAM Transcoder AQT Qu
Page 45 and 46: DAP - Digital to Analog Processor U
Page 47 and 48: DAP - Digital to Analog Processor B
Page 49 and 50: DAP - Digital to Analog Processor T
Page 51 and 52: DAP - Digital to Analog Processor I
Page 53 and 54: DAP - Digital to Analog Processor P
Page 55 and 56: DAP - Digital to Analog Processor A
Page 57 and 58: QT - Modular QPSK/QAM Transcoder Th
Page 59 and 60: QT - Modular QPSK/QAM Transcoder Un
Page 61 and 62: QPSK/QAM Transcoders Programming a
Page 63 and 64: QPSK/QAM Transcoders Factory Reset
Page 65 and 66: Broadband Amplifier Specifications
Page 67 and 68: MegaPort Components MegaPort Gatewa
Page 69 and 70: MegaPort Software Utilities - Confi
Page 71 and 72: MegaPort Manager - RF Data In order
Page 73 and 74: MegaPort Manager - Tips By clicking
Page 75 and 76: Addressable Products Addressable of
Page 77 and 78: VMI System Design VMI Directional C
Page 79 and 80: TVCB Systems Design Insertion Loss
Page 81 and 82: TVCB Systems Design Power Selection
Page 83 and 84: TVCB Installation Tightening Sequen
Page 85 and 86: TVCB-PC Installation 1. Determine m
Page 87 and 88: TVCB-PC Installation Power Selectio
Page 89 and 90:
SMI System Design (DC) Coupled Port
Page 91 and 92:
SMI System Design 4-Port Power Cons
Page 93 and 94:
SMI Installation Torque Patterns St
Page 95 and 96:
SMI Installation Balancing and Alig
Page 97 and 98:
AMT System Design LGTC Directional
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92 AMT System Design AMT Tap Losses
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AMT Installation Mounting Configura
Page 103 and 104:
Power Conversions dBmV A power meas
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Standard Resistor Color Codes and V
Page 107 and 108:
System Calculations Carrier/Cross M
Page 109 and 110:
System Calculations Carrier/Single
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System Calculations Composite Inter
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System Calculations Carrier/Noise 1
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System Calculations Aximuth and Ele
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System Calculations Amplifier Casca
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System Calculations Note: Summing d
Page 121 and 122:
10 Log Function Derate Chart (use f
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Beat Packet Quantity 330 MHz 450 MH
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Fiber Optics Fiber Loss vs Path Len
Page 127 and 128:
Fiber Optics Converting MW to DBM U
Page 129 and 130:
Fiber Optics FRDA/FRRA Series RF At
Page 131 and 132:
Fiber Optics Optical Coupler Design
Page 133 and 134:
Frequency Charts CATV Channels, Nor
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Frequency Charts CATV Channels, Nor
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Frequency Charts CATV QAM Channel C
Page 139 and 140:
Frequency Charts Off Air Channels,
Page 141 and 142:
PAL B Channels Channel Channel Visu
Page 143 and 144:
PAL G Channels Channel Channel Visu
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PAL D Channels Channel Channel Visu
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PAL K Channels Channel Channel Visu
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142 PAL I Channels HRC Channel Desi
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144 PAL I Channels UHF Channel Desi
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International Channel Standards Bro
Page 155 and 156:
CCIR Television Transmission Charac
Page 157 and 158:
US Frequency Spectrum 150
Page 159 and 160:
North American Satellite C & Ku-Ban
Page 161 and 162:
Programming Services DirecTV® Vide
Page 163 and 164:
Table of Conversions The following
Page 165 and 166:
Return Loss, Reflection Coefficient
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Conversion Factors Signal Levels 0
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Conversion Factors Linear 1 mile =
Page 171 and 172:
Temperature Conversion Nomograph °
Page 173 and 174:
Current Ratings for Electronic Cabl
Page 175 and 176:
Common CATV Symbols 168
Page 177 and 178:
Digital “L-Band” Distribution S
Page 179 and 180:
Passive & Coaxial Cable Characteris
Page 181 and 182:
Cable Loss Conversion Chart Use thi
Page 183 and 184:
Typical Cable Attenuation Chart in
Page 185 and 186:
75 Ohm Attenuator Table & Equations
Page 187 and 188:
Echo Rating Graph 180
Page 189 and 190:
Error Corrections Chart Use this ta
Page 191 and 192:
Heterodyne Processor - Analog 184
Page 193 and 194:
Broadband RF Network Powering 6. De
Page 195 and 196:
FCC Rules Cumulative Leakage Index
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FCC Rules Maximum Leakage Levels -
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Highlights of FCC Rules & Regulatio
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Broadband Communication Design & Pe
Page 211 and 212:
Wavelength & Antennas 1. Vertical a
Page 213 and 214:
Multiplexers 206
Page 215 and 216:
Antenna Stacking Methods to Increas
Page 217 and 218:
Antenna Spacing Chart Dimension Not
Page 219 and 220:
Pre-Amp Noise Figure vs. Carrier To
Page 221 and 222:
System Planning Headend & Distribut
Page 223 and 224:
Digital Signal Analysis QAM Signal
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Digital Signal Analysis For quantiz
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Digital Signal Analysis The constel
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Digital Signal Analysis Carrier sup
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Station List Prior to the digital t
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Station List State City Station NTS
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Acronyms ACA AD AM AMCM AMT AP AQD
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Acronyms FM Frequency Modulation (8
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Rev 8.0
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