Grass-valley 7600REF Manuel d'utilisateur télécharger pdf (Page 78)

78 7600 SD/HD/MHD-REF — Instruction Manual

Specifications

10MHZ Performance (The lock mode is assumed set to external 10MHz)

10MHz input type 1 BNC 75 ohm terminated

10MHz input return loss @ 10MHz < -35 dB

10MHz DC range <

± 3V

10MHz signal amplitude (to keep unit

within specification)

0.5V to 3V p-p terminated

Signal amplitude below which signal

will be indicted as missing

0.4V

10MHz frequency lock range 10MHz ± 200 Hz (± 20 ppm)

Lockup time < 0.1 second

Output sync jitter with respect to clean

10MHz input

< ± 2 ns

Output subcarrier jitter with respect to

clean 10MHz input

< ± 0.2 degrees

GPI (General Purpose Interface)

GPIO Inputs

Number 2

Type Grounding

Maximum voltage

± 20V

Operating current approximately 600 uA

GPI Outputs

Number 2

Type Open drain

Maximum voltage 50V

Maximum current 200 mA

Maximum dissipation 600 mW

LTC Timecode

Standard SMPTE S12M, S309M

Output channels 2, electronically balanced

Connector 9 way D type

Level 2V p-p into 1k ohm

Impedance < 25 ohm per leg

Risetime 40

± 10 us between 10% and 90% points

Jitter < 2 us

Overshoot < 5%

Table 6. 7600REF Specifications

Parameter Value

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 84

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Grass-valley 7600REF Manuel d'utilisateur Page 78

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