Ntsc video performance figures, Teletext extraction – TANDBERG E5714 User Manual

Page 241

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Technical Specification

Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder

Page B-5

ST.TM.E10076.3

Pattern

Item

Specification

VITS Line 17

Pulse/bar K-rating

± 0.5% KF

VITS line 17

P-B ratio

99% - 101%

VITS Line 17

Chrom/lum delay

±20 ns

VITS Line 17

Chrom/lum gain

95 – 105%

100% Luma Ramp

Luma noise weighted
Filters: tilt null, unified weighting, 5 MHz
LPF, Fsc trap, 100 kHz HP

£ -60 dB

5-step staircase - modulated

Differential gain

± 1.5%

5-step staircase - modulated

Differential phase

± 1°

5-step staircase - no
modulation

Luma non-linearity

£ 5%

Flat field Red 75%

Chroma noise AM
Chroma noise PM

Filters: HPF - 10 kHz, LPF 500 kHz
Reference – fixed; single line, Field 1

£ -58 dB
£ -58 dB

Multiburst VITS line 18

Frequency response

0.5 MHz

±0.2 dB

1.0 MHz

±0.2 dB

2.0 MHz

±0.2 dB

4.0 MHz

±0.2 dB

4.8 MHz

±0.5 dB

5.8 MHz - 0 to –2.5 dB

NTSC Video Performance Figures

Table B.6: NTSC System Video Performance Figures

Pattern

Item

Specification

Input return loss

30 dB

NTC-7 Composite

Jitter

± 5 ns

NTC-7 Composite

Bar amplitude ref (bp)

100

±1.5 IRE

NTC-7 Composite

2T pulse K-rating

±1% KF

NTC-7 Composite

Chrom/lum delay

± 20 ns

NTC-7 Composite

Chrom/lum gain

90 - 110%

100% Luma Ramp

Luma noise weighted
Filters: tilt null, unified weighting, 5 MHz
LPF,
Fsc trap, 100 kHz HP

£ -60 dB

5-step staircase - modulated

Differential gain

±1.5%

5-step staircase - modulated

Differential phase

±1°

Teletext Extraction

Teletext is extracted from the Vertical Blanking Interval (VBI).

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