TANGRAM GT 21 W

• Streaming-Input:
• 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

Video Processing

• 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-Format: 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: Yes
• Subtitle: DVB and Teletext (EBU) EN 300 743
• Test lines: Line 17, 18, 330, 331
• Test carrier wave: Yes
• OSD Video: Yes, text or picture PNG (<400 kB)

OSD Radio

• 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)
• Video parameters:
• 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: Colour bars

Audio Processing

• Audio decoder: ISO 13818-3 MPEG-1 (L1/L2) MPEG-2 (L1/L2), Dolby (Dolby and the double-D symbol are trademarks of Dolby Laboratories. Manufactured under license from Dolby Laboratories)
• Audio 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 parameters:
• 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)

VSB – AM Modulation

• 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

RF Parameters

• 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

Processing

• PCR correction and de-jitter: Yes
• Processing bitrate: Max. 1200 Mbps total
• Number of PIDs: Max. 2000 PIDs total

Connectors

• RJ45: 1 pcs. (for local management)
• F-socket RF-output: 4 pcs. (2x RF-Output, 2x Test-Output -20dB ± 1dB)