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Automated video measurement set – Atec Tektronix-VM5000 User Manual

Page 12

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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