Grass-valley 7600REF Manuel d'utilisateur télécharger pdf (Page 75)

7600 SD/HD/MHD-REF — Instruction Manual 75

Specifications

Jitter < 135 ps

Rise/fall times

< 270 ps (20-80%)

DC Offset (AC coupled) 0 ± 0.5V

Embedded Audio

Active channels

Group Selectable 1, 2, 3, or 4

Sample Frequency 48kHz

Digital coding 24 bits

Audio tone 25Hz to 20kHz in 25Hz steps

Audio level 0 to -120 dBFS

Tone modes On, Off, CCIR, and EBU

Analog Video Output Performance

Output impedance 75 ohm

Sync amplitude

300 mV ± 3 mV (625)

285 mV ± 3 mV (525)

Burst amplitude

300mV ± 9 mV (625)

285mV ± 9 mV (525)

Black level DC 0V ± 20mV

Noise to 20 MHz < -60dB (with respect to 700 mV

Noise above 20 MHz < -40dB (with respect to 700 mV)

ScH accuracy, all controls set to zero ± 5 degrees

Sync edge risetime

250 ns, Gaussian (635)

140 ns, Gaussian (525)

Burst edge risetime 350 ns, Gaussian (635)

300 ns, Gaussian (525)

Difference in timing between any analog

video output and any other

(all controls set to zero)

± 10 ns

Difference in timing between any

black/burst output and the genlock video

output (all controls set to zero)

± 10 ns

Generation accuracy 10 bit

Timing accuracy (channel to channel) <

± 5 ns

Level, 0 dB, p-p 1 V ± 1%

Black level DC 0V ± 25 mV

Chrom/Lum gain < 1%

Chrom/Lum delay < 5 ns

Chrom phase accuracy <

± 5 degrees

Linearity < 0.25%

Frequency response to 6 MHz

± 2 dB

Differential gain < 0.5%

Differential phase < 0.5 degrees

2T K rating < 0.5% K

ScH accuracy

± 5 degrees

Table 6. 7600REF Specifications

Parameter Value

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 83 84

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Grass-valley 7600REF Manuel d'utilisateur Page 75

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