Atec Tektronix-VM6000 Manual do Utilizador descarregar pdf (Página 19)

Automated Video Measurement Set — VM6000

Hardware Accessory Speciﬁcatio ns

RGBHV Measure

ment Interface Unit (MIU )

Characteristic Speciﬁcation

Wideband

Mode

Speciﬁcation

Precision L F

Mode

Reference

Information

DC Gain

RGB Channels 0.1 ±3% (Typical) 1.0 ±0.002%

VM6000

automatically

compensates for

Wideband mode

gain

HV Channel

s

0.01 ±5% (T

ypical)

1.0 ±0.002

%

DC Termination

RGB Channe

ls

75 Ω nomina

l

75 Ω ±0.3%

HV Channel

s

2.2 kΩ ±3% 2.2 kΩ ±1.5

%

Bandwidth

RGB Chann

els

<3 dB down at

1,500 MHz

DC to 10 MH

z

(Typical

)

HV Channels

<3 dB down at

320 MHz

DC to 10 MHz

(Typical)

RGB Channels Input Return Loss

1MHzto100MHz >27dB 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

3pF(Typical)

Current Source

Loads (HV

channels)

+8 mA ±2.5%

-8 mA ±2.5%

Current sources

provide loads

for V0H and V0L

testing of HV Sync

signals

HDTV Matrix

Test Signal Details

Signal

Format

Signal Details

Color Bars

All

100% Color Bars with

100% White

720p, 1080i, and 1080p 5, 10, 15, 20, 25, 30 MHz

forY,G,B,R

2.5, 5, 7.5, 10, 12.5,

15 MHz for Pb and Pr

480pand576p 2,4,6,8,10,12MHz

forY,G,B,R

1, 2, 3, 4, 5, 6 MHz for

Pb and Pr

Multiburst

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

720p, 1080i, and 1080p

5to35MHzforY,G,B,R

2.5to15MHzforPb

and Pr

480p and 576p

2to12MHzforY,G,B,R

1to6MHzforPbandPr

Sweep

480i and 576i

0.5 to 6 MHz for Y, G, B, R

0.5to3MHzforPbandPr

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

Y

PbPr and RGB

2T Pulse Response with

equivalent bar rise and bar

fall. Pb and Pr are twice

thedurationofY,G,B,R

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