Technical Specifications and Standards for Fantastic ...fantv.hkcable.com.hk/FTVS-1003-V3.3.pdf ·...

Fantastic TV FTVS-1003

Issue 3.3

Technical Specification and Standards for Fantastic TV signal reception – MMDS Coverage Pages 1 of 15

Technical Specifications and Standards

for

Fantastic Television MMDS signal reception


Issue 3.3


Technical Specifications and Standards for signal reception

Antenna Dish Specification

- To receive MMDS signal. The antenna, mounting structure and installation method shall

comply with all regulations on safety aspects issued by Work Bureau, the Labour Department

and other Authorities.

Solid Antenna – 45cm

Type Offset

Antenna Gain @ 18.5 GHz > 37dB

Aperture Efficiency 75%

F/D Ratio 0.6

Elevation Angle 20 o

to 52 o

/ 10 o

to 80 o

Azimuth 0 o

to 360 o

Pole Diameter 25 to 48mm

Material Galvanized steel with Polyester Powder

Ambient Temperature - 40 o

C to 60 o

C

Relative Humidity 0% to 100%

Solid Antenna – 60cm

Type Offset

Antenna Gain @ 18.5 GHz > 40dB

Aperture Efficiency 75%

F/D Ratio 0.65

Elevation Angle 10 o

to 80 o

/ 23 o

to 90 o

Azimuth 0 o

to 360 o

Pole Diameter 32 to 48 / 60mm

Material Galvanized steel with Polyester Powder

Ambient Temperature - 40 o

C to 60 o

C

Relative Humidity 0% to 100%


Issue 3.3



Fantastic TV Channel Frequecncy 1,096.00 MHz or 1,110.75 MHz

LNB Specification

- To down convert 18GHz MMDS signal to IF signal.

Input Frequency Range 18.1 to 18.8 GHz

Output Frequency Range 950 to 1600 MHz

Local Oscillator 17.177 GHz

Local Oscillator Stability ± 3 MHz

Noise Figures 1.8dB max. / 3.0dB max. / 4.5dB max.

(Gain : 30dB / 38dB / 46 dB)

Conversion Gain 30dB / 38dB / 46dB

(Gain : 30 dB / 38dB / 46 dB)

Gain Flatness in the band : 6dB peak-to-peak max.

in any 30MHz inside the band : 0.5dB peak-to-peak max.

Image Rejection 40dB min

Phase Noise -70dBc/Hz max @ 10 KHz

2-Tone IMD -45dBc max when measured with 2 tones 29.5MHz apart at

LNB output power of –13dBm each tone

Polarization Horizontal and Vertical

Input Waveguide Flange WR42 grooved flange, with O-Ring, thread with # 4 to 40

Housing Weatherproof housing suitable for Hong Kong environment

DC Power +15 to +24 VDC, 150mA max

Relative Humidity 100% max


Issue 3.3



DVB-S to DMB-TH Transmodulator

- To convert signal in DVB-S format to DMB-TH format. The transmodulator complies with

Terrestrial TV standard in China GB20600-2006.

DVB-S Input

Input Frequency 950 to 2150 MHz

Input Frequency Steps 1 MHz

Input Level 44 to 84 dBµV

Type of Modulation QPSK

Symbol Rate 2 to 45 MS/s

FEC 1/2, 2/3, 3/4, 5/6, 7/8

Connector Type IEC / F Type

DMB-TH Output

Output Frequency 470 to 862 MHz

Output Frequency Steps 500 KHz

Stability of Output Frequency ± 30 KHz

Output Channel Bandwidth 8, 7, 6 MHz

Output Level 60 to 100 dBµV (Analogue)

55 to 90 dBµV (Digital)

Output Level Steps 1 dB

Stability of Output Level ± 1 dB

Return Loss ≥ 18 dB

Modulation QPSK, 4QAM-NR, 16QAM, 32QAM, 64QAM

FEC 0.4, 0.6, 0.8

Time Interleaver Depth 48, 240, 720

Frame Header Length 420, 595, 945 Symbols

Carrier 3780 Carrier

MER > 36 dB

Spectral Inversion Normal / Inverted

Spurious > 58 dB (Inside TV Channels)

Connector Type F Type


Issue 3.3



DVB-S to DMB-TH Transmodulator - Continue

Electrical Parameters

Operating Temperature 0° to +50°C

Power Supply 230VAC, 50 Hz

EMC CE, Class A


Issue 3.3



Modulator Specification

- To modulate video and audio baseband signal to PAL-I TV channel.

Baseband Video Input

Video Bandwidth 20 Hz to 5MHz

Video Input Level 1 Volt Peak-to-Peak ± 0.3 Volt

Input Impedance 75 Ohm

Group Delay ≤ 50 ns

Differential Gain 3 %

Differential Phase 3 °

Video Signal-to-Noise Ratio ≥ 43 dB

Audio Input

Audio Bandwidth 40 Hz to 15 KHz

Audio Response + 0.5 dB

Input Impedance > 10 Kohm, Unblalanced

Input Level 100 mVrms to 3 Vrms for 25 KHz Peak Deviation

Pre-emphasis 50 µs

Audio Distortion < 2 % THD

RF Output

Output Frequency Range 470 to 862 MHz

Output Frequency Stability ± 25 KHz

Frequency Response ± 1 dB

Output Channel Selectable

Output Level > 80 dBµV (without integrated channel amplifier)

>110 dBµV (with integrated channel amplifier)

Audio Video Ratio 13 dB ± 3 dB

Unwanted Spurious Signal ≥ 60 dB

Screening Factor ≤ 65 dB

Output Impedance 75 Ohm

Connector Type F Type


Issue 3.3



Modulator Specification - Continue




EMC CE, Class A


Issue 3.3



Amplifier Specification

In-Line Amplifier

Input Frequency Range 950 to 2400 MHz

Number of Input Port 1

Gain 20 dB

Maximum Output 100 dBuV

Noise Figure 5 dB

Spurious Better than 55 dB

Return loss Better than 5 dB

Connector Type F connector

Operating Temperature 0oC to 55

oC

Max. Humidity 0 to 95%

DC Supply Voltage 12 to 18 VDC

DC Current Consumption 100mA (max.)


EMC CE, Class A


Issue 3.3



Coaxial Cable Specification

RG 11 Coaxial Cable

Type of Cable RG-11

Inner Conductor Copper Clad Steel, 20% Conductivity

Braid Coverage, Aluminum Wire 90%

Center Conductor Diameter 1.63mm

Bonded Foam PE Dielectric 7.11mm

Sealed APA Tape 7.24mm

Aluminum Braiding 7.84mm

PVC Jacket 10.03mm

DC Resistance Inner conductor – 40 Ohms/km

Outer conductor – 14 Ohms/km

Loop resistance – 54 Ohms/km

Capacitance 53pF/m

Velocity of Propagation 82%

RG6 Coaxial Cable

Type of Cable RG-6

Inner Conductor Copper Clad Steel, 20% Conductivity

Braid Coverage, Aluminum Wire 60%

Impedance 75 Ohm

Center Conductor Diameter 1.01mm

Bonded Foam PE Dielectric 4.62mm

Sealed APA Tape 4.75mm

Aluminum Braiding 5.16mm

PVC Jacket 6.8mm

DC Resistance Inner conductor – 102 Ohms/km

Outer conductor – 40 Ohms/km

Loop resistance – 142 Ohms/km

Capacitance 53pF/m

Velocity of Propagation 82%


Issue 3.3



Set-top Box Specification

− To decode DVB-S signal to video and audio. The box complies with EN 300 421 for the

transmission physical layer modulation, coding, and synchronization and error correction.

RF Input

RF Input Tuning Range 950 to 2150 MHz

RF Input Return Loss 6 dB min. over full tuning range

Symbol Rate 2 to 45 Msps

RF Input Impedance 75 ohm unbalanced

RF Input Level Range -25 dBm to –65 dBm (DVB-S)

AFC Range Better than fc ± 8 MHz

Signal Leakage / RFI Per CE Specifications

Adjacent Channel Rejection 60 dB min.

Error Performance Per EN 300 421

Group Delay Variation Tolerance < 1.5 µsec within DVB-S channel

Phase Noise Tolerance < -80 dB/Hz @ 10 KHz offset

Burst Noise Tolerance Not longer than 25 µsec at 10 Hz repetition rate

FEC Support Automatic 1/2, 2/3, 3/4, 5/6, 7/8

LNB Power +12 to +24 VDC

LNB Current 500mA max, short circuit protected

Baseband Video Performance Parameters

Video Standard PAL-I

Signal Level 1.0 V Peak-to-Peak, Sync tip (-40 IRE) to reference white

(100 IRE) +10%

Long Time Distortion ± 1%, settle in less than 1 second

Field Time Distortion ± 4%

Line Time Distortion ± 2%

Short Time Distortion ± 6%, (Rising and/or Falling)

Chrominance to Luminance Gain Not more than ± 10%

Inequality

Chrominance to Luminance Delay ± 150 nanoseconds max.


Issue 3.3



Set-top Box Specification - Continue

Frequency Response for -2 to +2 dB, 0 KHz to 5.5 MHz (measured over the entire

Baseband Video Output cable plant to the terminal RF output)

Luminance Non-Linearity 5% Peak-to-Peak max.

Chrominance Non-Linear Phase + 5°

Distortion

Chrominance Non-Linear Gain ± 2%

Distortion

Chrominance / Luminance ±3%

Intermodulation

Differential Gain 10% Peak-to-Peak max. for RF modulated output

5% Peak-to-Peak max. for baseband video output

(over 10% to 90% APL range)

Differential Phase 10° Peak-to-Peak max. for RF modulated output

5° Peak-to-Peak max. for baseband video output

Video Signal-to-Noise Ratio Output : 57dB with a digital input signal and

49dB (Unified Weighting Filter)

Baseband Video Output 75 ohm ± 10%

Baseband Video Output 16dB min. across video bandwidth

Audio Performance Parameters

Audio Frequency Response +1 dB from 20 Hz to 20 KHz

Audio Level Control 32 steps (Optional)

Audio Mute Minimum 60 dB attenuation

Baseband Audio Output 1K to 3K ohm for each left and right audio output

Impedance

Audio Output Signal Level min. 2.4 V Peak-to-Peak, +10% with digital levels relative to

full scale (0dB FS), and dialog normalization and dynamic

range compression disabled

Stereo Left and Right Channel 0.5 dB max. from 20 Hz to 20 KHz

Separation

Stereo Left and Right Channel 7° max. from 20 Hz to 20 KHz

Gain Difference


Issue 3.3



Set-top Box Specification - Continue

Stereo Left and Right Channel 0.3% max. from 20 Hz to 20 KHz at –10 dB relative to full

Phase Difference scale

Total Harmonic Distortion 80 dB min. 20 Hz to 20 KHz, with 1 KHz test tone at full

scale encoder input, dialog normalization and dynamic range

compression disabled, max. volume setting, ANSI C

weighting

Audio Signal-to-Noise Ratio 80 dB min., 20 Hz to 20 KHz, 1 KHz test tone




EMC CE, Class A


Issue 3.3



Figure 1 – Typical Network Diagram


QPSK STB

RG6 or RG11

LNB

Antenna at Rooftop with direct line of sight to the transmitter site

-

RF Modulator

To IBCCDS

QPSK STB

RG6 or RG11

LNB

Antenna at Rooftop with direct line of sight to

the transmitter site -

To TV Set


Issue 3.3




DVB-S to DMBT

Transmodulator

RG6 or RG11

LNB

Antenna at Rooftop with direct line of sight to

the transmitter site -

To IBCCDS


Issue 3.3



Figure 4 – Microwave Transmitter Hilltop Site

Technical Specifications and Standards for Fantastic ...fantv.hkcable.com.hk/FTVS-1003-V3.3.pdf ·...

Documents

Transcript of Technical Specifications and Standards for Fantastic ...fantv.hkcable.com.hk/FTVS-1003-V3.3.pdf ·...