GT 21 W Tangram Modul IP in 6x PAL/SECAM/NTSC
Category : Tangram
The GT 21 W module is part of the Tangram product portfolio. The GT 21 W module allows you to add up to 6 services in PAL /SECAM format per module to your network. Tangram is a very high density and highly flexible solution for all kinds of networks. The WISI Tangram chassis uses a fully redundant concept (n+1, 1+1).
- High quality IP to analogue PAL/SECAM/NTSC modulation
- Up to 6 analogue channels on 2 RF outputs
- Outstanding signal parameters by direct digital modulation
- HD to SD downscaling functionality
- MPEG-2 H.262 and MPEG-4 H.264 decoding (SD & HD)
- For measurement / monitoring test ports of the output signal
- Temperature and output level monitoring
- RTP/ IP input streaming with FEC error correction
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Streaming-Input |
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| IP-Inputs | 32 pcs. |
| IP-Compliance | ISO/IEC 13818 |
| IP-Input bitrate | Max. 425 Mbit/s per IPTS, Max. 850 Mbit/s total |
| IP-Input protocol | UDP/RTP/RTP+FEC Unicast and Multicast, IGMP v2 and v3 |
| IP-TS-Input format | SPTS CBR/VBR, MPTS CBR |
| IP-FEC Inputs | Yes, with GTFEC License |
| IP-FEC compliance | SMPTE 2022-1, SMPTE 2022-2 |
| IP-Packet format | MPEG over UDP/IP and RTP/IP |
| IP-Packet size | 188 Byte |
| IP-PCR restamping | Yes |
| IP-Dejittering | Yes, per default 100ms, individual adjustable |
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Video processing |
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| Video decoder | 6x MPEG-2 SD (MP@ML) 1,5..15 MBit/s or 6x MPEG-4 SD (MP@ML) Level 4.1 or 3x MPEG-4 HD (MP@HL) Level 4.1 |
| Video downscaling | 3x MPEG-4 HD and 3x MPEG-2 SD concurrent (PAL/SECAM) or 2x MPEG-4 HD and 2x MPEG-2 SD concurrent (PAL-M/NTSC) |
| Video formats | 4:3/16:9/4:3 Zoom |
| Video Standard | PAL/SECAM/NTSC |
| Video scaling | Auto, Ignore, Letterbox, Pan and scan, Combined, Forced |
| Vertical blanking interval | WST Teletext inserting (lines 7-15, 20-21), VPS inserting (line 16) WSS inserting according to aspect ratio |
| Subtitle | DVB and Teletext (EBU) EN 300 743, SCTE 27 |
| Test lines | Line 17, 18, 330, 331 |
| Test carrier wave | Yes |
| OSD Video | Yes, text or picture PNG (<400 kB) |
| OSD Radio | Yes, text or picture PNG (<400 kB) |
| Compliance | ISO 13818-2 (MPEG-2/H.262); ISO 14496-10 (MPEG-4/H.264/AVC) |
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Video parameters |
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| Differential gain | <1,5 % |
| Differential phase | <1,5 ° |
| Group delay time | <50 ns (-0,5...4,43 MHz) |
| Static nonlinearity | 3 % |
| Video frequency response | ±1 dB (10...5 MHz, CCIR 18) |
| S/N Video, weighted (CCIRrec. 567-1) | typ. 64 dB (at 1 channel; at 2/3 channels typ. 62 dB) |
| 2-T Puls K Faktor | K <1,2 % |
| Test picture | Coulor bars |
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Audio processing |
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| Audio decoder | ISO 13818-3 MPEG-1 (L1/L2) MPEG-2 (L1/L2), Dolby AC-3 (Dolby and the double-D symbol are trademarks of Dolby Laboratories. Manufactured under license from Dolby Laboratories) |
| Audi Dolby Decoding | Yes, with GTDOL software option (The Dolby audio decoding functionality requires a TANGRAM GT21W HW that is Dolby enabled. You can check this on the Serial number (S/N: 0462xxxxxxxxxxxxx Dolby is enabled, S/N: 0460xxxxxxxxxxxxx Dolby is not enabled). Older TANGRAM GT21W HW versions cannot be upgraded to Dolby capability. Please contact WISI Sales for more information) |
| Audio language | ISO 639 |
| Audio format | Mono/Stereo/Dual NICAM/BTSC/SAP |
| Audio format switching | Manual / auto |
| Audio outputs | PAL-625/SECAM mode: 6x Mono/Stereo/Dual NICAM, PAL-M/NTSC mode: 6x Mono, PAL-M/NTSC with BTSC mode: 4x Stereo (BTSC) + 2 SAP audio |
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Audio parameters |
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| S/N Audio | 75 % (with color testable) |
| Standard B/G/D/K/I/N | typ. 64 dB (weighted) |
| Standard NTSC | typ. 64 dB (weighted) |
| Standard-L | typ. 48 dB (weighted) |
| Frequency response | ±1 dB (40 Hz...15 kHz) |
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VSB - AM modulation |
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| TV standards | B/G, D/K, I, L, M, N |
| Channel bandwidth | 6/7/8 MHz |
| Output level (each RF port) | 117 dBμV (1 ch), 113 dBμV (2 ch), 111 dBμV (3 ch) |
| Output level stability | ±1 dB |
| Output return loss | ≥14 dB (45 MHz) -1,5 dB/Octave |
| Output level setting | 0...30 dB (0,5 dB steps) |
| Spurious (outside TV-Channels) | 45...450 MHz, typ. 66 dB; 450..862 MHz, typ. 64 dB |
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RF parameters |
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| Output ports | 2 pcs. |
| Channels per port | up to 3 (PAL-625/SECAM); up to 3 (PAL-M/NTSC); up to 2 (PAL-M/NTSC with BTSC) |
| Output impedance | 75 Ω |
| Output frequency | 45...862 MHz |
| Output frequency window | 34,2 MHz/port |
| Output frequency steps | 1 kHz |
| Output frequency stability | ±10 kHz |
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Processing |
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| PCR correction and de-jitter | Yes |
| Processing bitrate | Max. 1200 Mbps total |
| Number of PIDs | Max. 2000 PIDs total |
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Connectors |
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| RJ45 | 1 pcs. (for local management) |
| F-socket RF- output | 4 pcs. (2x RF-Output, 2x Test-Output -20dB ± 1dB) |
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General data |
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| Power consumption | max. ≤26 W |
| Operating temperature range | -5°C...+45°C, 23°F...113°F, (ETSI EN 300 019-1-3 Class 3.1) |
| Max. humidty (non condensing) | 95 % |
| Electro Magnetic Compatibility (EMC) | EN 50083-2 |
| Safety compliance | UL/CSA/CAN 60950-1 |
| Signalling | Multicolor LEDs (Power on - green, Error - red) |
| Operation Mode | PAL-625/SECAM, PAL-M/NTSC, PAL-M/NTSC with BTSC |
| Hardware revision | 1001 |
| Software version | 3.2 |