Technical Specifications and Standards for Fantastic ...fantv.hkcable.com.hk/FTVS-1003-V3.3.pdf ·...
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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
Fantastic TV FTVS-1003
Issue 3.3
Technical Specification and Standards for Fantastic TV signal reception – MMDS Coverage Pages 2 of 15
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%
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Technical Specifications and Standards for signal reception
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
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Technical Specifications and Standards for signal reception
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
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Technical Specifications and Standards for signal reception
DVB-S to DMB-TH Transmodulator - Continue
Electrical Parameters
Operating Temperature 0° to +50°C
Power Supply 230VAC, 50 Hz
EMC CE, Class A
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Technical Specifications and Standards for signal reception
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
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Technical Specifications and Standards for signal reception
Modulator Specification - Continue
Electrical Parameters
Operating Temperature 0° to +50°C
Power Supply 230VAC, 50 Hz
EMC CE, Class A
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Technical Specifications and Standards for signal reception
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.)
Power Supply 230VAC, 50 Hz
EMC CE, Class A
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Technical Specifications and Standards for signal reception
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%
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Technical Specifications and Standards for signal reception
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.
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Technical Specifications and Standards for signal reception
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
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Technical Specifications and Standards for signal reception
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
Electrical Parameters
Operating Temperature 0° to +40°C
Power Supply 230VAC, 50 Hz
EMC CE, Class A
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Technical Specifications and Standards for signal reception
Figure 1 – Typical Network Diagram
Figure 2 – 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
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Technical Specifications and Standards for signal reception
Figure 3 – Typical Network Diagram
DVB-S to DMBT
Transmodulator
RG6 or RG11
LNB
Antenna at Rooftop with direct line of sight to
the transmitter site -
To IBCCDS
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Technical Specifications and Standards for signal reception
Figure 4 – Microwave Transmitter Hilltop Site