B-QAM-YPbPr-IP-4CH series products are QuestTel's all-in-one devices which integrate encoding, multiplexing and modulation to convert V/A signals into digital RF output. It adopts inner drawer-type structural design which greatly facilitates the change of encoding modules (HDMI/SDI/YPbPr+CVBS - optional) as needed. To meet customers’ various requirements, B-QAM-YPbPr-IP-4CH is also equipped with 1 ASI input for re-mux, and output with 2 ASI ports and 1 IP port.The signals source could be from satellite receivers, closed-circuit television cameras, Blue-ray players, and antenna etc. Its output signals are to be received by TVs, STB and etc with corresponding standard.
| Encoding | Option1:MPEG-2 MP@ML(4:2:0) Option2:MPEG-2 & MPEG-4 AVC/H.264 (4:2:0) | ||||||
| Input | S-Video/YPbPr/CVBS*2 | ||||||
| Bitrate | 1-19.5Mbps | ||||||
| Resolution | 720*480_60i, 720*576_50i | ||||||
| Low Delay | Normal, Mode 1, Mode 2 | ||||||
| Rate Control | VBR/CBR | ||||||
| Chroma | 4:2:0 | ||||||
| Aspect Ratio | 16:9,4:3 | ||||||
| Audio Encoding |
Option 1: MPEG1 Layer II Option2: MPEG1 Layer II; LC-AAC; HE-AAC and Dolby Digital AC3 2.0( Optional) |
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| Sample rate | 48KHz | ||||||
| Bitrate | 64/96/128/ 192/256/320kbps | ||||||
| RF Section | |||||||
| MER | ≥42dB | ||||||
| RF frequency | 30~960MHz, 1KHz step | ||||||
| RF output level | -30~ -10dbm (77~97 dbµV), 0.1db step | ||||||
| DVB-C Modulator Section | |||||||
| Standard | J.83A(DVB-C) | J.83B | J.83C | ||||
| Constellation | 16/32/64/128/ 256 QAM | 64/ 256 QAM | 64/ 256 QAM | ||||
| Bandwidth | 8M | 6M | 6M | ||||
| RF Out | 2*DVB-C adjacent carriers combined output | ||||||
| Symbol rate | 5.000~9.000Msps adjustable | ||||||
| ATSC Modulator Section | |||||||
| Standard | ATSC A/53 | ||||||
| Constellation | 8 VSB | ||||||
| RF Out | 2*ATSC adjacent carriers combined output | ||||||
| System | |||||||
| Local interface | LCD + control buttons | ||||||
| Remote management | Web NMS | ||||||
| Stream Out | 2 x ASI out (BNC type, 100M);
2 x IP SPTS out (RJ45, 100M) |
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| NMS interface | RJ45, 100M | ||||||
| General | |||||||
| Power supply | AC 100V~240V | ||||||
| Dimensions | 420*400*44mm | ||||||
| Weight | 4.5 kg | ||||||
| Operation temperature | 0~45°C | ||||||
