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3 gb/s digital video – Grass Valley Concerto Routing Matrix v.1.8.1 User Manual

Page 164

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164

Concerto — Installation and Service Manual

Appendix A — Specifications

3 Gb/s Digital Video

Table 64

contains the specifications for the 3 Gb/s Digital Video modules.

Table 64. 3 Gb/s Video

Inputs (Excluding MON IN connection)

Type

Serial digital video conforming to SMPTE 259M, SMPTE 292M, or SMPTE 424M

Connector

BNC 75 ohm

Return loss

>15db to 5 MHz to1.5GHz, >10 dB 1.5GHz to 3GHz.

DC offset

0 V (AC coupled) ± 0.5 V

Impedance

75 ohms

Cable equalization

Automatic

≥ 80 meters of Belden 1694A or equivalent

Outputs (Excluding MON OUT connection)

Type

Serial digital video conforming to SMPTE 259M, SMPTE 292M, or SMPTE 424M

Connector

BNC 75 ohm

Return loss

15db to 5 MHz to1.5GHz, >10 dB 1.5GHz to 3GHz.

Signal amplitude

800 mV ±10% when terminated into 75 ohm

Impedance

75 ohms

DC offset

0 V (AC coupled) ± 0.5 V

Operational Modes

Reclocking

Automatic or manual selection of 270 Mbps, 1.5 Gbps, 3 Gbps.

Non-standard bit rates

Non-reclocked operation or bypass switched from 10 Mbps to 700 Mbps with signals that have a maximum
ones/zeros ratio of 20:1

Performance

Input-to-output delay

128x128

< 15nS

Minimum Rise/Fall time

< 135 pS (correct by design)

Vertical interval switch

Reference 1
(normal single sync)

525 Line Standard Field switching Line 10 and Line 273. Middle of line 625 Line Standard Field switching:
Line 6 and Line 319. Middle of line ±5 µsec.

Reference 2
(dual sync switching)

525 Line Standard Field switching Line 10 and Line 273. Middle of line ±10 µsec. 625 Line Standard Field
switching Line 6 and Line 319. Middle of line ±10 µsec.

Dual sync

Automatic vertical interval switched relative to the reference (software assignable on output-by-output basis)

Monitor Input

Signal source

Concerto monitor outputs only

Type

Serial digital video conforming to SMPTE 259M, 292M, 424M for 270Mb/S, 1.5Gb/S and 3Gb/S

Connector

BNC 75 ohm

Return loss

>15 dB; 20 dB typical (10 MHz-360 MHz)

Connector

BNC 75 ohm

Quantity

1 (per module)

Cable length

80 meters of Belden 1694A

Monitor Outputs

Type

Serial digital video conforming to SMPTE 259M, 292M, 424M for 270Mb/S, 1.5Gb/S and 3Gb/S

Connector

BNC 75 ohm

Quantity

1 (per module)

Return loss

SD

>15db to 5 MHz to1.5GHz, >10 dB 1.5GHz to 3GHz.

Signal amplitude

800 mV ±10% when terminated into 75 ohm

DC offset

0 V (AC coupled)