Automated video measurement set – Atec Tektronix-VM5000 User Manual
Page 12
Automated Video Measurement Set
VM5000
Video Measurement • www.tektronix.com/video
12
RGBHV Measurement Interface Unit (MIU)
Characteristic
Specification
Specification
Reference Information
Wideband
Precision LF
Mode
Mode
DC Gain
RGB Channels
0.1 ±3% (typical)
1.0 ±0.002%
VM5000 automatically compensates
for Wideband mode gain
HV Channels
0.01 ±5% (typical)
1.0 ±0.002%
DC Termination
RGB Channels
75 Ω nominal
75 Ω ±0.3%
HV Channels
2.2 kΩ ±3%
2.2 kΩ ±1.5%
Bandwidth
RGB Channels
<3 dB down at 1,500 MHz
DC to 10 MHz (typical)
HV Channels
<3 dB down at 320 MHz
DC to 10 MHz (typical)
RGB Channels Input Return Loss
1 MHz to 100 MHz
>27 dB
27 dB RL is equivalent to ±7.5 Ω
variation from 75 Ω
100 MHz to 250 MHz
>21 dB
21 dB RL is equivalent to ±15 Ω
variation from 75 Ω
HV Channels Input Capacitance
3 pF (typical)
Current Source Loads (HV Channels)
+8mA ±2.5%
Current sources provide loads for V0H
-8mA ±2.5%
and V0L testing of H&V sync signals
HDTV Matrix Test Signal Details
Signal
Format
Signal Details
Color Bars
All
100% Color Bars with 100% White
Multiburst
720p, 1080i and 1080p
5, 10, 15, 20, 25, 30 MHz for Y, G, B, R
2.5, 5, 7.5, 10, 12.5, 15 MHz for Pb and Pr
480p and 576p
2, 4, 6, 8, 10, 12 MHz for Y, G, B, R
1, 2, 3, 4, 5, 6 MHz for Pb and Pr
480i and 576i
1, 2, 3, 4, 5, 6 MHz for Y, G, B, R
0.5, 1, 1.5, 2, 2.5, 3 MHz for Pb and Pr
Sweep
720p, 1080i and 1080p
5 to 35 MHz for Y, G, B, R 2.5
to 15 MHz for Pb and Pr
480p and 576p
2 to 12 MHz for Y, G, B, R
1 to 6 MHz for Pb and Pr
480i and 576i
0.5 to 6 MHz for Y, G, B, R 0.5
to 3 MHz for Pb and Pr
Sweep Parade
All
Windowed Areas (Chirp)
Flat Field – Black
All
Near Black – 7.5 mV
Flat Field – Gray
All
Gray – 350 mV on RGB
Flat Field – White
All
White – 700 mV on RGB
Valid Ramp
All
Ramp 0 to 700 mV on RGB
Shallow Ramp
All YPbPr
Ramp 350 mV ±35 mV on Y, G, B, R
Ramp 0 mV ±35 mV on Pb and Pr
Pulse and Bar
YPbPr and RGB
2T Pulse Response with equivalent bar rise and bar
fall. Pb and Pr are twice the duration of Y, G, B, R