commissioning for digital tv transmitter

Commissioning for Digital TV TransmitterDigital TV Transmitter

Bimbingan TeknisPetugas Pengendali Frekuensi Radio

Batam, 21 Juni 2011

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 )

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 :

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

2. Transmission Quality :

Exciter A Exciter B

Harmonic Emission

Spurious Signals

3. Over View ( Summary ) :

4. Modulation Analysis :

Exciter A Exciter B

Constellation Diagram

MER

CCDF

I / Q Imbalance

5. Channel Analysis :

Exciter A Exciter B

Amplitude & Phase

Amplitude & Group Delay

6. Spectrum :

Exciter A Exciter B

Shoulder Attenuation

Out Band of Emission

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

2. Transmission Quality :

Exciter A Exciter B

Harmonic Emission

Spurious Signals

3. Over View ( Summary ) :

4. Modulation Analysis :

Exciter A Exciter B

Constellation Diagram

MER

CCDF

I / Q Imbalance

5. Channel Analysis :

Exciter A Exciter B

Amplitude & Phase

Amplitude & Group Delay

6. Spectrum :

Exciter A Exciter B

Shoulder Attenuation

Out Band of Emision

Terima

KasihKasih