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http://www.rfspecialties.com/
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HD Radio Coax
Power Capability vs. Coax Specifications
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kW PK PWR
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Look Up Table
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Input to the white
cells; See below for help with digital levels. Safety should be 1.0 or
higher.
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PAR dB
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Pk Watts
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Pk Volts
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Z
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Ref
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RMS Pwr
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Loss dB #1
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Freq #1
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Loss dB #2
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Freq #2
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Loss dB #3
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Freq #3
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Loss dB #4
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Freq #4
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Loss dB #5
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Freq #5
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Pk V Rating
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Highest Freq/Loss
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Size (In)
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#1-2
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Analog #1 TPO
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kW
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MHz
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0
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50
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B-C
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3,016
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#2-3
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* HD TPO #1 TPO
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kW
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MHz
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6
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75
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D-E
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5,495
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#3-4
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FG
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3000
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Highest Frequncy
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Analog #2 TPO
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kW
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MHz
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0
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PAR
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HI
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5200
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* HD #2 TPO
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kW
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MHz
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6
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0
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JK
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6500
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Peak Volts = SQRT(Power
* 2 * Impedance
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6
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LM
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8000
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Analog #3 TPO
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kW
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MHz
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0
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NO
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9700
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* HD #3 TPO
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kW
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MHz
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6
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PQ
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12500
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Power = V^2/2*Impedance
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VW
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2700
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Analog #4 TPO
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kW
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MHz
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0
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Z-AA
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10,488
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Connector power limits kW
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Connector kV limits
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* HD #4 TPO
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kW
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MHz
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6
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AB-AC
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SMA
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0.1
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7/8" EIA
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11
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D-AE
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1,449
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BNC
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0.1
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1-5/8" EIA
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11
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Analog #5 TPO
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kW
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MHz
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0
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H-AI
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4,528
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TNC
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0.3
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3-1/8" EIA
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16
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* HD #5 TPO
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kW
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MHz
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6
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AJ-AK
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5,523
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UHF
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0.3
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4-1/2" IEC
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21
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Sum PkV
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AL-AM
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13,748
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N
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0.6
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6-1/8"
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36
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Combiner Insertion Loss
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dB
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Combiner Input
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Peak W
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Total PkW
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AN-AO
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4200
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HN
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0.6
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7-3/16"
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41.8
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Combiner Connector Sz
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Connector Safety
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Tiimes
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AP-AQ
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1950
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SC
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1.2
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8-3/16"
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47
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AR-AS
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5600
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7-16 DIN
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1.3
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Coax Type
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Size
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AV-AW
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2910
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4.1/9.5 DIN
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1.2
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Coax P type is Prodlin
now Myat
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Coax Loss
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dB/100'
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Safety V/V
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AZ-BA
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2,000
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LC
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3.5
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Coax System Loss
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dB/run
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V21
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BB-BC
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3,017
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7/8" EIA
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1.7
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Impedance
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Ohms
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Coax Efficiency
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%
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V22
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BD-BE
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4,528
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1-5/8" EIA
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4.9
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Cmb W out
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BF-BG
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5,495
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3-1/8" EIA
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16
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Coax Length
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Feet
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Meters
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BI-BJ
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4-1/2" IEC
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27
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BK-BL
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6-1/8"
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57
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Coax
Peak Input Peak Power
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Pk kW
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BM-BN
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these at 900 mHz
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BQ-BR
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1430
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7-3/4"
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Coax Input Peak Volts
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Pk Volts
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Cmb V out
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BO-BP
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2644
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8-3/16"
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BS-BT
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1800
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8-3/4"
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Coax
System Safety (should be ≥ 1.0 to meet 6 dB Peak-Average-Ratio):
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times
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BV-BW
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132
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1-5/8"
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BX-BY
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440
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3-1/8"
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Provided
by RF Specialties who is not responsible for errors of any kind
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Date:
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BZ-CA
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710
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4-1/16"
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CB-CC
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1536
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6-1/8"
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CD-CE
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41
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7/8"
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*
HD™ Levels to use above if you don't already have:
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#1
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#2
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#3
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#4
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#5
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CF-CG
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440
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3-1/2"
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for
HD™ at -14dBc, divide the analog ERP
by 25.12
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CH-CI
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150
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1-5/8"
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for
HD™ at -10dBc, divide the analog ERP
by 10
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CJ-CK
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1500
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164.4
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6-1/8"
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for
HD™ at -20dBc, divide the analog ERP by 100
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Connector Power Ratings
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Pk Volts=SQRT(PkPower*1000*Z*2))
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PAR Values
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Connector Power Ratings
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kV
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RMS kW
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Peak W
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Peak Volts
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Pk Power=AveragePower*10^(PAR/10))
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8VSB
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6
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dB
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11
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4.9
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300,000
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Sum the peak volts
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DTVB
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10
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dB
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19
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16
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902,000
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Then PkPower=PkVolts^(2*Z)
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FM
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0
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dB
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21
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27
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1,100,000
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IBOC
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6
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dB
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20
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28
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1,000,000
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NTSC TV
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2.22
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dB
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27.5
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57
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1,890,000
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6
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1.7
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90,000
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4
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1.3
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40,000
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2
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0.6
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10,000
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