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| Mobile TV Test Solution / CMMB |
| CMMB Signal Generator : CMG2000 |
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CMMB (STiMi) is Mobile Multimedia Broadcasting Standard [Standard No. CMMB GY/T 220.1/2006 and GY/T 220.2/2006] developed in China. CMG2000 is the all-in-one CMMB signal generator which is fully compliant with China Mobile Multimedia Broadcasting standard in China. It can composite China Mobile TV Test Solution. The RF output is generated by a high performance RF upconverter which covers the frequency range from 50MHz to 870MHz in steps of 1Hz. CMG2000 is the most flexible solution for design evaluation and Manufacturing test of CMMB Chip, Tuner development or CMMB receiver such as portable receiver, mobile phone which require a live modulated RF signal.
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CMMB (STiMi) is Mobile Multimedia Broadcasting Standard [Standard No. CMMB GY/T 220.1/2006 and GY/T 220.2/2006] developed in China. CMG2000 is the all-in-one CMMB signal generator which is fully compliant with China Mobile Multimedia Broadcasting standard in China. It can composite China Mobile TV Test Solution. The RF output is generated by a high performance RF upconverter which covers the frequency range from 50MHz to 870MHz in steps of 1Hz. CMG2000 is the most flexible solution for design evaluation and Manufacturing test of CMMB Chip, Tuner development or CMMB receiver such as portable receiver, mobile phone which require a live modulated RF signal.
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Main Characteristics
· China Mobile Multimedia Broadcasting Signal Generator
· Modulator: CMMB
· China Mobile TV/DTV Test Solution support (DMB-TH, ADTB-T : Optional)
· Multiplex Setting
· Logical Channel Setting (Max. 40)
· MFN Network mode support
General Characteristics
· RF Upconverter : 50 ~870MHz
2635 ~ 2660MHz (S-band: Optional)
· OFDM Modulation
· AWGN
· Modulation Information
· System Information
· Frequency Information
· Frequency Table support
· TS List
Intended Application
· CMMB Chipset H/W & S/W Development
· CMMB Broadcast Engineering Simulation
· CMMB Middleware Development
· CMMB Receiver R&D
· CMMB Product manufacturing & Signal Center
· CMMB Precise Sales Demonstration for Chipset & High performance Receiver
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Modulator Options
DVB-T Module (MM-501)
· Broadcasting system
- Digital Terrestrial TV : DVB-T
· Transmission Parameter
- Modulation : COFDM
- IFFT : 2K, 8K
- Guard Interval : 1/4, 1/8, 1/16, 1/32
- Modulation Modes : QPSK, 16QAM, 64QAM
- Coding Rate : 1/2, 2/3, 3/4, 5/6, 7/8
ATSC Module (MM-502)
· Broadcasting system
- Digital Terrestrial TV : ATSC
· Transmission Parameter
- Modulation : 8VSB
DVB-C Module (MM-503)
· Broadcasting system
- Digital Cable TV : DVB-C
r· ansmission Parameter
- Modulation : QAM (Annex - A/C)
- Modulation Modes : 32, 64, 128, 256QAM
- Symbol rate : 5~7.1 MS/S
OpenCable Module (MM-504)
· Broadcasting system
- Digital Cable TV : OpenCable
· Transmission Parameter
- Modulation : QAM (Annex - B)
- Modulation Modes : 64, 256QAM
DTMB(DMB-TH, ADTB-T) Module (MM-506)
· Broadcasting system
- Digital Terrestrial TV : DTMB(DMB-TH)
· Transmission Parameter
- Modulation : TDS-OFDM
- Constellations : 4QAM(QPSK), 16, 64QAM
- Guard Interval : PN420, PN945
(Frame Header)
- Coding Rate : 0.4, 0.6, 0.8
- Bandwidth : 5, 6, 7, 8
- Time Interleaver : 240, 720
· Broadcasting system
- Digital Terrestrial TV : ADTB-T
· Transmission Parameter
- Constellations : 4QAM NR, 4QAM, 16QAM, 32QAM
- Guard Interval : PN420, PN595, PN945
(Frame Header)
- Bandwidth : 5, 6, 7, 8
- Time Interleaver : 240, 720
- Code Rate : 0.4, 0.6, 0.8
ISDB-T Module (MM-507)
· Broadcasting system
- Digital Terrestrial TV : ISDB-T
· Transmission Parameter
- Modulation : BTS-OFDM
- Modulation Modes : DQPSK, QPSK,16QAM, 64QAM
- Guard Interval : 1/4, 1/8, 1/16, 1/32
(Frame Header)
- Coding Rate : 1/2, 2/3, 3/4, 5/6, 7/8
- Time Interleave : 0, 4, 8, 16
- 1 Seg., 3 Seg., Full Seg. Supported
DVB-T/H Module (MM-508)
· Broadcasting system
- Digital Terrestrial TV : DVB-T/H
· Transmission Parameter
- Modulation : COFDM
- IFFT : 2K, 8K
- Guard Interval : 1/4, 1/8, 1/16, 1/32
- Modulation Modes : QPSK, 16, 64QAM
- Coding Rate : 1/2, 2/3, 3/4, 5/6, 7/8
RF Option
S-Band Upconverter (RM-700)
· Frequency Range : 2635 ~ 2660 MHz
· Frequency Step : 50Khz
· Channel Table : 2639MHz(S-1), 2547MHz(S-2), 2655MHz(S-3)
· Level Range : -10dBm ~ 110dBm
· Level Step : 1dB
Function Options
ASI Out Module(FM-200)
· Output bit rate : 0 ~ 214Mbps
· Packet Size : 188/204Byte
· Null Packet Insertion from H/W
GPIB Module (FM-202)
· IEEE 488.2
AWGN Module(FM-203)
· C/N range : 0 ~ +45dB
· C/N resolution : 0.1 dB Steps
· Noise Band Width : 10MHz
I/Q Module(FM-205)
· Internal Base-band I/Q
· Output Connector Type : BNC
· Output Impedance : 50Ohm
· Output Voltage :Max 300mV (VP)
ASI In Module (FM-300)
· Null Packet Insertion from H/W
· Input bitrate : 0 ~ 214Mbps
· Packet Size : 188/204Byte
ETC Options
HDD 320G(EF-301-320)
· SATA 5400RPM
Upgrade Service(EF-303)
· S/W & H/W
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RF Specifications
· Output Connector : N Type
· RF Output Frequency : 50~870 MHz (VHF/UHF)
· RF Frequency Resolution : 1Hz
· Frequency Accuracy : 3 x 10-6 / 25 ℃
· RF Power Level : -110 ~ 0dBm
· RF Level Resolution : 0.1dB steps
· RF Level Accuracy : ±0.5dB relative to the level at 18-33 ℃
· RF Impedance : 50 Ω
Modulator Specifications
· Broadcasting system
- Digital Terrestrial TV : CMMB (STiMi)
· Transmission Parameter
- Modulation : OFDM
- Support Mode : 4K
- Constellations : BPSK, QPSK, 16QAM
- Byte Interleave : Mode 1, Mode 2, Mode 3
- RS Coding : RS(240,240);RS(240,224);
RS(240,192);RS(240,176)
- LDPC : 1/2, 3/4
- Time Slots No. : Max. 40
- Bandwidth : 8MHz
- Guard Interval : 1/8
General Specifications
· Power supply : AC 100 to 250V, 50/60Hz
· Power consumption : Less than 300W
· Operating temperature : 10 to 40 ℃
· Operating humidity : 20 to 85% RH (No Condensation)
· Storage temperature : -40 to +70 ℃ / 20 ~ 85% RH
· Operating environment : Indoor
Operating attitude : Around 2000m
· Over-voltage category : II
· Pollution degree : 2
· Dimensions : 330.5(W) x 209(H) x 377.5(D) mm
· Weight : Approx.13Kg (Without options)
OS system
· Embedded OS
User interface system
· 8.4 inch TFT color LCD (800 x 600)
· Touch Screen
External Interface system
· USB Interface : USB HDD, USB Stick
· Remote Control : RS-232C
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Integrated Test Solution
