Atec Tektronix-VM6000 Manual do Utilizador descarregar pdf (Página 17)

Automated Video Measurement Set — VM6000

Option VGA Video Measureme nts*

Characteristic

Description VM5000HD, VM5000,

TDS5104, TDS5104B

VM6000, DPO7104 DPO7254 DPO7354

Amplitude Mea

surements

Luma Level, M

ax and Min

VESA 6.1 (Typical) ±5 mV ±0.9% of reading ±5 mV ±0.6% of reading ±5 mV ±0.6% of reading ±5 mV ±0.6% of reading

Color Bars Channel voltage levels

measured relative to back

porch (Typical)

±3 mV ±0.9% of reading ±3 mV ±0.6% of reading ±3 mV ±0.6% of reading ±3 mV ±0.6% of reading

CH-CH Mismatch (mV) ±5 mV ±1.3% of reading ±5 mV ±0.9% of reading ±5 mV ±0.9% of reading ±5 mV ±0.9% of reading

CH-CH Mismatch (%)

32-step staircase signal.

VESA 6.5 channel voltage

levels measured relative to

back porch (Typical)

±0.7% ± (1.3%)×(Luma

Level / Max Luma Level);

Maximum of ±2.0%

±0.7% ± (0.9%)×(Luma

Level / Max Luma Level);

Maximum of ±1.6%

±0.7% ± (0.9%)×(Luma

Level / Max Luma Level);

Maximum of ±1.6%

±0.7% ± (0.9%)×(Luma

Level / Max Luma Level);

Maximum of ±1.6%

HV Sync Logic “0” and “1” VESA 7.1

(P-P sync amplitude) =

(logic 1 voltage) - (logic 0

voltage) (Typical)

±[8 mV ± (0.01) × (P-P

sync amplitude)] ±0.8%

of reading

±[8 mV ± (0.01) × (P-P

sync amplitude)] ±0.5%

of reading

±[8 mV ± (0.01) × (P-P

sync amplitude)] ±0.5%

of reading

±[8 mV ± (0.01) × (P-P

sync amplitude)] ±0.5%

of reading

Linearity, Resolution, M onotonicity

Integral Linearity (%) VESA 6.4.

Requires step response

compliant to VESA limits

for overshoot/undershoot,

amplitude and settle time

±1.0% (Typical) ±1.0% (Typical) ±1.5% (Typical) ±1.5% (Typical)

Differential Linearity (Typical) ±0.25 LSB (8 bit)

±0.5 LSB (10 bit)

±0.25 LS B (8 bit)

±0.5 LSB (10 bit)

±0.5 LSB (8 bit)

±1.0 LSB (10 bit)

±0.5 LSB (8 bit)

±1.0 LSB (10 bit)

RGB Video Monotonicity

Monotonicity checks every

step on the ramp to ensure

signal is always rising

(Typical)

±0.25 LSB (8 bit)

±0.5 LSB (10 bit)

±0.25 LS B (8 bit)

±0.5 LSB (10 bit)

±0.5 LSB (8 bit)

±1.0 LSB (10 bit)

±0.5 LSB (8 bit)

±1.0 LSB (10 bit)

Resolution Measurement

Range

Resolutionmeasuredinbits 5to10bits 5to10bits 5to10bits 5to10bits

HV Sync Monotonic Rise

and Fall

Checks sync for

always-rising and

always-falling

characteristic. Requires

VESA-complia nt amplitude,

noise, rise, and fall

etects monotony as

mall as 1% of P-P sync

mplitude (Typical)

etects monotony as

mall as 1% of P-P sync

mplitude (Typical)

etects monotony as

mall as 2% f P-P sync

mplitude (Typical)

etects monotony as

mall as 2% f P-P sync

mplitude (Typical)

Noise

Noise (mV) Measurement

Range 8-15 mV

±5.25 mV ±5.25 mV ±5.25 mV ±5.25 mV

Noise (mV) Measurement

Range 15-25 mV

The lesser of ±7 mV

or ±35%

Thelesserof±7mV

or ±35%

The lesser of ±7 mV

or ±35%

The lesser of ±7 mV

or ±35%

Noise Injection Ratio (%)

Measurement Range 1.1%

to 2.1%

±0.75% ±0.75% ±0.75% ±0.75%

Noise Injection Ratio (%)

Measurement Range 2.1%

to 3.6%

Measurement of RGB

noise on constant pedestal,

0 to 700 mV. Output in

p-p

, dB below 700 mV,

VESA Sec 6.6.

Displayed value correc ted

for instrument noise.

Speciﬁcation applies with

500 MHz bandwidth ﬁlter

and 10 averages selected

±1% ±1% ±1% ±1%

Timing

Channel Skew

Measurement Range

±35 ns

Alternate implementation

of VESA 6.7; Any two

channels

±500 ps ±550 ps ±600 ps ±600 ps

H Timing (ns) - Front and

Back Porch, Left and Right

Border, Addressable Video

—

360 ps ±15 ppm × Reading 360 ps ±2.5 ppm × Reading 360 ps ±2.5 ppm × Reading 360 ps ±2.5 ppm × Reading

H Sync Period, H and

V Sync Pulse Width (ns)

—

80 ps ±15 ppm × Reading 80 ps ±2.5 ppm × Reading 80 ps ±2.5 ppm × Reading 80 ps ±2.5 ppm × Reading

VSyncPeriod(μs) Readout (precision) is 1 μs

20 ns ±15 ppm × Reading 20 ns ±2.5 ppm × Reading 20 ns ±2.5 ppm × Reading 20 ns ±2.5 ppm × Reading

V Timing (lines) – Front

and Back Porch, Top

and Bottom Border,

Addressable Lines

Readout (precision) is

1 line. Functions within

±10 lines of VESA

reference value

————

www.tektronix.com 17

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 27 28

Comentários a estes Manuais

Sem comentários

Atec Tektronix-VM6000 Manual do Utilizador Página 17

Comentários a estes Manuais

Manuais e produtos relacionados com Equipamento Atec Tektronix-VM6000