Atec Tektronix-VM700T - Manual (Page 9)

AUTO MODE
RS-170A HORIZONTAL BLANKING INTERVAL TIMING MEASUREMENTS
Measurement Range Accuracy Test Signal
Color Burst Width 6 to 13 cycles ±0.1 cycles Horizontal Blanking
Front Porch Duration 0.5 to 2 µs ±20 ns Horizontal Blanking
Horizontal Blanking Width 6 to 30 µs ±50 ns Horizontal Blanking
Horizontal Sync Rise 80 to 120 ns –10 to +30 ns Horizontal Blanking
Time and Fall Time 120 to 300 ns ±20 ns
300 ns to 1.0 µs ±30 ns
Horizontal Sync Width 1 to 8 µs ±10 ns Horizontal Blanking
SCH Phase ±90 deg ±5 deg Horizontal Blanking
Sync to Setup 5 to 18 µs ±20 ns Horizontal Blanking
Sync to Start of Burst 4 to 8 µs ±140 ns Horizontal Blanking
(0.5 cycles)
±20 ns
RS-170A VERTICAL BLANKING INTERVAL
Measurement Range Accuracy Test Signal
Equalizing Pulse Width 1 to 20 µs ±10 ns Vertical Blanking
Serration Width 1 to 20 µs ±10 ns Vertical Blanking
Vertical Blanking Width 19 to 29 lines –0.1 lines to Vertical Blanking
+0.2 lines
FCC HORIZONTAL BLANKING INTERVAL TIMING MEASUREMENTS
Measurement Range Accuracy Test Signal
Breezeway Width 0.2 to 3.5 µs ±25 ns Horizontal Blanking
Color Burst Width 6 to 13 cycles ±0.1 cycles Horizontal Blanking
Front Porch Duration 0.5 to 2 µs ±10 ns Horizontal Blanking
Horizontal Blanking Width 6 to 30 µs ±10 ns Horizontal Blanking
Horizontal Sync Rise Time 80 to 120 ns –10 to +30 ns Horizontal Blanking
and Fall Time 120 to 300 ns ±20 ns
300 ns to 1.0 µs ±30 ns
Horizontal Sync Width 1 to 8 µs ±10 ns Horizontal Blanking
Sync to Setup 5 to 18 µs ±20 ns Horizontal Blanking
Sync to End of Burst 6 to 15 µs ±20 ns Horizontal Blanking
FCC VERTICAL BLANKING INTERVAL TIMING MEASUREMENTS
Measurement Range Accuracy Test Signal
Equalizing Pulse Width 25 to 100% ±0.3% Vertical Blanking
of nominal
horizontal sync
pulse width
Serration Width 1 to 20 µs ±10 ns Vertical Blanking
Vertical Blanking Width 19 to 29 lines –0.1 lines to Vertical Blanking
+0.2 lines
AMPLITUDE AND PHASE MEASUREMENTS
Measurement Range Accuracy Test Signal
Average Picture Level (APL) 0 to 200% ±3.0% Full Field
Bar Top 0 to 90% of ±0.1% FCC/NTC-7 Composite
Maximum Carrier
Bar Amplitude 0 to 200 IRE ±0.3 IRE FCC/NTC-7 Composite
Chrominance to ±300 ns ±5 ns FCC/NTC-7 Composite
Luminance Delay
(Relative Chroma Time)
Chrominance to 0 to 160% ±1% FCC/NTC-7 Composite
Luminance Gain
(Relative Chroma Level)
Differential Gain 0 to 100% ±0.3% FCC/NTC-7 Composite
AMPLITUDE AND PHASE MEASUREMENTS (continued)
Measurement Range Accuracy Test Signal
Differential Phase 0 to 360 deg ±0.3 deg FCC/NTC-7 Composite
Luminance Non-linear 0 to 50% ±0.4% FCC/NTC-7 Composite
Distortion
Relative Burst Gain ±100% ±0.3% FCC/NTC-7 Composite
Relative Burst Phase ±180 deg ±0.3 deg FCC/NTC-7 Composite
Burst Amplitude 25 to 200% ±1.0% Horizontal Blanking
(% of sync) of sync
Burst Amplitude 10 to 80% of Bar ±0.4% Horizontal Blanking
(% of Bar) (10 to 80 IRE when (±0.4 IRE)
Bar is not used)
Sync Amplitude 20 to 80% of Bar ±0.3% Horizontal Blanking
(% of Bar) (20 to 80 IRE when (±0.3 IRE)
Bar is not used)
Blanking Level 0 to 90% of ±0.2% Horizontal Blanking
Maximum Carrier
Sync Variation 0 to 50% of ±0.3% for Horizontal Blanking
Maximum Carrier Zero Carrier
(0 to 50% of Bar (±0.3% for Bar
when Zero Carrier and ±0.3 IRE
is not used and for no Zero
0 to 50 IRE when Carrier and
Zero Carrier and no Bar)
Bar are not used)
Blanking Variation 0 to 50% of ±0.3% for Horizontal Blanking
Maximum Carrier Zero Carrier
(0 to 50% of Bar (±0.3% for Bar
when Zero Carrier and ±0.3 IRE
is not used and for no Zero
0 to 50 IRE when Carrier and
Zero Carrier and no Bar)
Bar are not used)
FREQUENCY RESPONSE MEASUREMENTS
Measurement Range Accuracy Test Signal
Multiburst Flag 0 to 90% of ±0.5% for FCC Multiburst or
Amplitude Maximum Carrier Zero Carrier NTC-7 Combination
(20 to 130% of (±0.5% for Bar
Bar when Zero and ±0.5 IRE
Carrier is not used for no Zero
and 20 to 130 IRE
Carrier and
when Zero Carrier no Bar)
and Bar are
not used)
Multiburst Packet 0 to 100% of Flag ±1% of Flag FCC Multiburst or
Amplitudes NTC-7 Combination
INCIDENTAL CARRIER PHASE MODULATION
Measurement Range Accuracy Test Signal
ICPM (requires Zero 0 to 30 deg ±1.0 deg FCC or NTC-7
Carrier Pulse and the Composite
quadrature output of the
demodulator on
channel C)
COLOR BAR MEASUREMENTS
Measurement Range Accuracy Test Signal
Color Bar Amplitude Errors ±100% of nominal ±1.0% FCC Color Bars
Color Bar Phase Errors ±180 deg from ±0.5 deg FCC Color Bars
nominal
Color Bar Chrominance to 0 to 200% of ±2% FCC Color Bars
Luminance Gain Ratio nominal
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