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Page 10 Model 822S Quick Start Guide
Video Timing
Pixel Clock:
Range: 7.5 MHz - 600 (optionally 800 MHz)
Step: < 0.25 Hz
Jitter: < 60 pS line to line (One Sigma)
Accuracy: 25 ppm (electronically trimmable to 0 ppm
Horizontal Timing
Frequency: 1 KHz - 330 KHz Typical
Total pixels per line:
Range: 128 to 65,535 Pixels
Step: 1 Pixel (4 Pixels, Interlaced or 2 pixels above
520 MHz)
Active pixels per line:
Range: 1 to 4096 Pixels
Step: 1 Pixel (2 < 520 MHz)
Blank:
Range: 96 Pixels Minimum
Sync delay (front porch):
Range: 1 to (H tot - H act - HS pw ) Pixels (analog)
1 to (H tot - HS pw ) Pixels (digital)
Step: 1 Pixel (Must be even above 520 MHz)
Sync width
Range: 1 to (H tot - H act - HS pd ) Pixels (analog)
1 to (H tot - HS pd ) Pixels (digital)
Step: 1 Pixel (Must be even above 520 MHz)
Vertical Timing
Frequency: 1 Hz - 650 Hz
Total scan lines per frame:
Range: 16 to 4096 lines (progressive)
16 to 8191 lines (interlace)
Step: 1 line (progressive)
2 lines (interlace)
Active scan lines per frame:
Range: 1 - 4096 pixels
Step: 1 pixel (2 pixels above 520 MHz)
Blank:
Range: 15 lines minimum
Sync delay (front porch):
Range: 0 to (V tot - V act -VS pw ) lines (analog)
0 to (V tot - VS pw ) lines (digital)
Step: 1 line
Sync width:
Range: 1 to (V tot - V act -VS pd ) lines (analog)
1 to (V tot - VS pd ) lines (digital)
Step: 1 line
Analog Video Outputs
Encoding:
RGB
YPrPb (SMPTE 240 M HDTV)
YPrPb (SMPTE RP177 Improved
SMPTE 240 M)
YPrPb (ITU-R BT.709 Modified
SMPTE RP177)
YCrCb (SMPTE 170 M or ITU
BT.601NTSC/DAL hybrid)
YYY(Multi-channel grayscale)
Outputs : 50-ohm SMA
Outputs can be connected to 75 ohm (single-ended
or differential) BNC display inputs using 150 ohm
matching shunts and 50 ohm dummy loads
(provided)
Rise/fall: 350 pS
Overshoot: Less than 5%
Levels:
Video Swing: 0 to +1.0V (2.0V differential)
Sync Swing: 0 to ± 0.4V (0.8V differential)
Bipolar sync available for HDTV compatibility.
Setup: 0 to 100 IRE
Calibration: Video output cables can be connected to
self-calibrating inputs and automatically
calibrated to within 5 mV
Sync Module Connectors
Probe Pulse: BNC (1) one pulse at start of each frame
Line Pulse: BNC (1) one pulse at start of each line
Pixel Clock: SMA (2) differential ECL, 50 ohm, 50%
duty
Frame Sync: BNC(1) user repositionable pulse (e.g..
scope trigger)
Composite Sync: BNC(1)
Vertical Sync: BNC(1)
Horizontal Sync: BNC(1)
Video Module Connectors
The 8221S is a monchrome configuration using 1
module. (1,2 or 3 modules maybe used per 822
Mainframe)
Video Out:
SMA(2) 50 Ohm differential, unbuffered video output
Calibration:
BNC(2) receives video out to self-calibrate video
channel
Specifications