Download - Commissioning for Digital Tv Transmitter
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Commissioning for Digital TV TransmitterDigital TV Transmitter
Bimbingan TeknisPetugas Pengendali Frekuensi Radio
Batam, 21 Juni 2011
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TRANSMITTER
SITE : TVRI BATAM
POWER : 2 kWatt ( RMS )
STOCK NO : NV8604V 2076. 9301. 61
SERIAL NO : 101 239 - VX SERIAL NO : 101 239 - VX
FREQUENCY : CHANNEL 40 ( 626 MHz )
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MEASURING INSTRUMENTS
1. TV Analyzer: ETL 2112.0004.K13.
S/N:102064
2. Power Meter: NRVS 1020.1809.02 S/N:864
296/006 296/006
3. Diode Power Sensor: NRV - Z4 828.3618.03.
S/N : 100 009
• DATE: 1-Dec-2010
• Test & Commissioning by : Witnessed by :
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Before Bandpass Filter :
1. Output Power Measuring :
• 1.1 Coupling Attenuation : 59 dB
• 1.2 CCU Read Out : 2010 W 2010 W • 1.2 CCU Read Out : 2010 W 2010 W
• 1.3 Actual Power : 2050 W 2050W
• 1.4 Nominal Power : 2000 W 2000 W
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2. Transmission Quality :
Exciter A Exciter B
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Harmonic Emission
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Spurious Signals
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3. Over View ( Summary ) :
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4. Modulation Analysis :
Exciter A Exciter B
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Constellation Diagram
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MER
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CCDF
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I / Q Imbalance
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5. Channel Analysis :
Exciter A Exciter B
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Amplitude & Phase
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Amplitude & Group Delay
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6. Spectrum :
Exciter A Exciter B
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Shoulder Attenuation
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Out Band of Emission
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After Bandpass Filter :
1. Output Power Measuring :
• 1.1 Coupling Attenuation : 59 dB
• 1.2 CCU Read Out : 2010 W 2010 W • 1.2 CCU Read Out : 2010 W 2010 W
• 1.3 Actual Power : 1870 W 1870 W
• 1.4 Nominal Power : 2000 W 2000 W
![Page 21: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/21.jpg)
2. Transmission Quality :
Exciter A Exciter B
![Page 22: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/22.jpg)
Harmonic Emission
![Page 23: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/23.jpg)
Spurious Signals
![Page 24: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/24.jpg)
3. Over View ( Summary ) :
![Page 25: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/25.jpg)
4. Modulation Analysis :
Exciter A Exciter B
![Page 26: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/26.jpg)
Constellation Diagram
![Page 27: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/27.jpg)
MER
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CCDF
![Page 29: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/29.jpg)
I / Q Imbalance
![Page 30: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/30.jpg)
5. Channel Analysis :
Exciter A Exciter B
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Amplitude & Phase
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Amplitude & Group Delay
![Page 33: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/33.jpg)
6. Spectrum :
Exciter A Exciter B
![Page 34: Commissioning for Digital Tv Transmitter](https://reader037.vdocuments.site/reader037/viewer/2022100220/545aa977af7959755d8b5cfa/html5/thumbnails/34.jpg)
Shoulder Attenuation
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Out Band of Emision
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