Grass Valley M-Series iVDR User Manual v.2.0.10 - Manual (Page 302)

302 M-Series User Manual 20 April 2005
Appendix A Specifications
Composite Analog Video
Genlock Reference
Parameter Specification
Composite Video Standard
a
a.
The iVDR can record signals from most non-timebase corrected signal sources such as color under video
playback devices, i.e. VHS or U-Matic VTRs, and low cost cameras. However, for reliable recording
performance some devices may require external signal conditioning products, i.e. timebase correction.
NTSC, 525 line (59.94Hz) Conforms to SMPTE170M, or
PAL, 625 line (50Hz) Conforms CCIR Report 624
Number of Inputs 1 per record channel
Number of Outputs M-122A/M-222A - 2 per play channel
M-222D/M322D - 1 per play channel
Connectors BNC, 75 ohm
Characteristics Description
Signal Type NTSC/PAL Color Black Composite Analog
Connectors 2 BNC, 75 ohm passive loop through
Color Field Detection, Based on SCH
Phase Correct color framing for signals having an average SCH phase
±40°; Lockup ±10°. Once locked to color field, it will stay
locked over a range of 0
° to ±90°
Burst Frequency Lock Range PAL,
±10 Hz at subcarrier
NTSC,
±20 Hz at subcarrier
Signal Amplitude Lock Range Stays locked to +6 dB and -3 dB
Input Return Loss
≥40 dB to 5 MHz
Unlocked internal clock accuracy a
a.
Internal reference provides accurate free-running timing signals in the absence of genlock reference to
allow asynchronous record and play.
When not locked to a reference, 27Mhz. will be within
±
25PPM