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Commissioning for Digital Tv Transmitter

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Page 1: Commissioning for Digital Tv Transmitter

Commissioning for Digital TV TransmitterDigital TV Transmitter

Bimbingan TeknisPetugas Pengendali Frekuensi Radio

Batam, 21 Juni 2011

Page 2: Commissioning for Digital Tv Transmitter

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 )

Page 3: Commissioning for Digital Tv Transmitter

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 :

Page 4: Commissioning for Digital Tv Transmitter

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

Page 5: Commissioning for Digital Tv Transmitter

2. Transmission Quality :

Exciter A Exciter B

Page 6: Commissioning for Digital Tv Transmitter

Harmonic Emission

Page 7: Commissioning for Digital Tv Transmitter

Spurious Signals

Page 8: Commissioning for Digital Tv Transmitter

3. Over View ( Summary ) :

Page 9: Commissioning for Digital Tv Transmitter

4. Modulation Analysis :

Exciter A Exciter B

Page 10: Commissioning for Digital Tv Transmitter

Constellation Diagram

Page 11: Commissioning for Digital Tv Transmitter

MER

Page 12: Commissioning for Digital Tv Transmitter

CCDF

Page 13: Commissioning for Digital Tv Transmitter

I / Q Imbalance

Page 14: Commissioning for Digital Tv Transmitter

5. Channel Analysis :

Exciter A Exciter B

Page 15: Commissioning for Digital Tv Transmitter

Amplitude & Phase

Page 16: Commissioning for Digital Tv Transmitter

Amplitude & Group Delay

Page 17: Commissioning for Digital Tv Transmitter

6. Spectrum :

Exciter A Exciter B

Page 18: Commissioning for Digital Tv Transmitter

Shoulder Attenuation

Page 19: Commissioning for Digital Tv Transmitter

Out Band of Emission

Page 20: Commissioning for Digital Tv Transmitter

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

2. Transmission Quality :

Exciter A Exciter B

Page 22: Commissioning for Digital Tv Transmitter

Harmonic Emission

Page 23: Commissioning for Digital Tv Transmitter

Spurious Signals

Page 24: Commissioning for Digital Tv Transmitter

3. Over View ( Summary ) :

Page 25: Commissioning for Digital Tv Transmitter

4. Modulation Analysis :

Exciter A Exciter B

Page 26: Commissioning for Digital Tv Transmitter

Constellation Diagram

Page 27: Commissioning for Digital Tv Transmitter

MER

Page 28: Commissioning for Digital Tv Transmitter

CCDF

Page 29: Commissioning for Digital Tv Transmitter

I / Q Imbalance

Page 30: Commissioning for Digital Tv Transmitter

5. Channel Analysis :

Exciter A Exciter B

Page 31: Commissioning for Digital Tv Transmitter

Amplitude & Phase

Page 32: Commissioning for Digital Tv Transmitter

Amplitude & Group Delay

Page 33: Commissioning for Digital Tv Transmitter

6. Spectrum :

Exciter A Exciter B

Page 34: Commissioning for Digital Tv Transmitter

Shoulder Attenuation

Page 35: Commissioning for Digital Tv Transmitter

Out Band of Emision

Page 36: Commissioning for Digital Tv Transmitter

Terima

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