Atec Tektronix-VM700T Uživatelský manuál stáhnout pdf (Strana 10)

UTO MODE (continued)

UT-OF-SERVICE MEASUREMENTS

easurement Range Accuracy Test Signal

ield Time Distortion 0 to 40% ±0.5% Field Square Wave

WAVEFORM DISTORTION MEASUREMENTS

Measurement Range Accuracy Test Signal

ine Time Distortion 0 to 40% of Bar ±0.2% FCC or NTC-7

Composite

Pulse to Bar Ratio 10 to 125% ±0.7% FCC or NTC-7

Composite

Short Time Waveform 0 to 25% SD ±0.5% SD NTC-7 Composite

istortion (IEEE 511)

Chrominance Non-linear 5 to 35 IRE ±0.4 IRE NTC-7 Combination

ain Distortion (20 IRE chroma)

5 to 160 IRE

(80 IRE chroma)

hrominance Non-linear 0 to 360 deg ±1.0 deg NTC-7 Combination

Phase Distortion

Chrominance to ±50 IRE ±0.2 IRE NTC-7 Combination

Luminance Intermodulation

2T K-Factor 0 to 10% Kf ±0.3% Kf FCC or NTC-7

Composite

VIRS MEASUREMENTS

Measurement Range Accuracy Test Signal

VIRS Setup –20 to 130% of ±0.2% VIRS

(Reference Black) Bar (–20 to (±0.5 IRE

130 IRE when when Bar is

Bar is not used) not used)

VIRS Chrominance 0 to 200% of ±1% VIRS

Reference Amplitude burst amplitude (±0.1% when

(0 to 80% of Bar burst is not

when burst is not used and

used and 0 to ±1 IRE when

80 IRE when burst and Bar

burst and bar are not used)

are not used)

VIRS Chrominance Phase ±180 deg ±0.5 deg VIRS

Relative to Burst

VIRS Luminance Reference 30 to 100% of Bar ±0.2% VIRS

(30 to 100 IRE (±0.2 IRE)

when Bar is

not used)

SIGNAL-TO-NOISE RATIO MEASUREMENTS

Measurement Range Accuracy Test Signal

Unified Unweighted SNR

26 to 60 dB ±1.0 dB Quiet Line

61 to 70 dB ±2.0 dB

Unified Luminance 26 to 60 dB ±1.0 dB Quiet Line

Weighted SNR 61 to 70 dB ±2.0 dB

NTC 7 Unweighted SNR

26 to 60 dB

±1.0 dB Quiet Line

61 to 70 dB

2.0 dB

NTC 7 Luminance 26 to 60 dB ±1.0 dB Quiet Line

eighted SNR 61 to 70 dB ±2.0 dB

Periodic SNR 26 to 60 dB ±1.0 dB Quiet Line

61 to 70 dB ±2.0 dB

–

MHz

FL2862-1

dBV

–5

–10

–15

–

–25

–30

–35

–40

–45

–50

12345 67

–14

MHz

FL2862-2

dBV

.5 1 1.5 2 3 4

–12

–10

–8

–6

–4

–2

2.5 3.5 4.5

–70

MHz

FL2862-3

dBV

12345 67

–60

–50

–40

–30

–20

–10

–14

MHz

FL2862-4

dBV

.5 1 1.5 2 3 4

–12

–10

–8

–6

–4

–2

2.5 3.5 4.5

Unified Unweighted filter response curve per CCIR Recommendation 567.

Unified Luminance weighted filter r

esponse curve per CCIR Recommendation 567.

NTC 7 Unweighted filter response.

NTC 7 Luminance weighted filter response.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 16

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