Automated video measurement set – Atec Tektronix-VM5000 User Manual
Page 11
Video Measurement • www.tektronix.com/video
11
Automated Video Measurement Set
VM5000
Hardware Accessory
Specifications
Option VGA Video Measurements
*2
(Continued)
Characteristic
Accuracy
Description
Timing
V Timing (lines) – Front and Back Porch,
Read out (precision) is 1 line. Functions within
Top and Bottom Border, Addressable Lines
±10 lines of VESA reference value
Frequency
H and V sync, Pixel Clock Frequency
±0.01% of reading
Transient Response
Video Rise and Fall Time
±5% of reading
VESA 6.8
Measurement Range >1.3 ns
Video Transient Response: Utilizes Course grille, VESA
Section 6.2, 6.3, 6.8 Displayed results corrected for
RGB measurement system bandwidth limitations
Video Rise and Fall Time Measurement Range
±10% of reading
800 ps to 1.3 ns
Video Rise and Fall Time Measurement Range
±20% of reading
450 ps to 800 ps
RGB System Rise Time
350 ps (typical)
Sync Rise and Fall Time Measurement Range
>5 ns
±5% VESA Section 7.1-7.4
Sync Rise and Fall Time Measurement Range
±11%
Displayed results corrected for H/V measurement
2 ns to 5 ns
system bandwidth limitations
RGB and HV Sync Overshoot and Undershoot
±2% of reading (typical)
Amplitude %, Settle Time: 0 to 1 ns
RGB and HV Sync Overshoot and Undershoot
±1% of reading (typical)
Amplitude %, Settle Time: 1 to 10 ns
RGB and HV Sync Overshoot and Undershoot
±T rise (typical)
VESA 6.3
Settling Time, Amplitude >5%
Jitter
H Sync Jitter (ns)
100 ps ± 15 ppm x H-Sync period ± 14% of reading
VESA 7.5 Requires VESA compliant amplitude,
noise, rise and fall characteristics
H Sync Jitter (% of Pixel Clock Period)
<4%
Measurement Range: <200 MHz PCF
H Sync Jitter (% of Pixel Clock Period)
<7.5%
Measurement Range: 200 to 400 MHz PCF
*
2
Specifications apply with use of Measurement Interface Unit (MIU).