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Specification Tables
Table 1–1: General Video Test Signal Characteristics
Characteristic
Luminance Amplitude Accuracy
Chrominance-to-Luminance Gain
Blanking Level
Rise Time Accuracy
Burst Amplitude
Sync Amplitude
Sync Rise Time
Output Impedance
Return Loss
Subcarrier Stability
Signal-to-Noise Ratio
Chrominance-to-Luminance Delay
SCH Phase
Frequency Response
Field Tilt
Line Tilt
5-Step Linearity Error
Differential Gain
Differential Phase
2T Pulse K-Factor
Luminance Rise Time
Chrominance Rise Time
Burst Rise Time
Line Timing
Front Porch Duration
Line Blanking Interval
Breezeway Duration
Line Sync Duration
Vertical Serration Duration
Equalizing Pulse Duration
Burst
Delay from Sync
Duration
TSG 90 PATHFINDER Service Manual
Performance Requirements
1% of 714.3 mV (100 1 IRE)
2% of 714.3 mV (100 2 IRE)
0 V 50 mV
10%
285.7 mV (40 IRE) 2%
285.7 mV (40 IRE) 2%
140 ns 20 ns
3.579545 MHz 10 Hz
15 ns
0
5
Flat within 2% to 4.2 MHz
0.5%
0.5%
1%
1%
1
0.5%
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Digitally derived
Supplemental Information
1% typical.
Except where otherwise specified
75 Ω
36 dB at 4.2 MHz
Over a temperature range of 0 to +45 C. Annual
adjustment required.
60 dB; Signal passed through a continuous
random noise measurement low pass filter, F
MHz.
10 ns typical. Measured with the NTC7 Composite
signal.
Relative step matching.
Ringing 1.5% peak.
250 ns 25 ns, except where otherwise specified.
400 ns 40 ns, except where otherwise specified.
400 ns 40 ns
See Figures 1–1 through 1–16
1.5 µs 0.1 µs
10.9 µs 0.2 µs; measured at the 20 IRE point of
active video.
600 ns 100 ns
4.7 µs 100 ns (at half-amplitude)
4.7 µs 100 ns (at half-amplitude)
2.3 µs 100 ns (at half-amplitude)
5.308 µs 35 ns (19 cycles of subcarrier)
2.51 µs 0.1 µs (9 cycles of subcarrier)
Specifications
=5
c
1–3
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