Specifications
5–4
1780R-Series Operator’s Manual
Table 5–2: Waveform Monitor Vertical System (Cont.)
Characteristics
Supplemental
Information
Performance
Requirements
Cal Amplitude
Accuracy 1.00 V ±0.2%. NTSC 0.714 V ±0.5%.
Resolution 1 mV at 1.00 V. PAL 0.700 V ±0.5%.
DC Restorer
Clamp Point Back porch or Sync Tip.
Mains Hum Atten.
tt
nuation 10
.
Slow Clamp ≤0.9 dB.
Fast Clamp ≥26 dB.
Shift caused by pres-
ence or absence of
burst
NTSC = 1 IRE.
PAL = ≤7 mV.
Lum/Chroma Gain Ratio
NTSC
(50 kHz – 3.58 MHz)
1:1 ±1%.
ju
t to
ini
iz
lu
i
nance-to-chrominance gain
PAL
(50 kHz – 4.43 MHz)
1:1 ±1%.
o
at 1 V Full Scal
,
typically ≤0.5%.
Noise Measurements
Accuracy To 56 dB within 1 dB.
To 60 dB within 2 dB.
Relative to 700 mV
RMS
.
VAR GAIN adjusted to
maximum.
Offset Accuracy To 56 dB within 0.5 dB.
To 60 dB within 1 dB.
Specifications
5–4
1780R-Series Operator’s Manual
Table 5–2: Waveform Monitor Vertical System (Cont.)
Characteristics
Supplemental
Information
Performance
Requirements
Cal Amplitude
Accuracy 1.00 V ±0.2%. NTSC 0.714 V ±0.5%.
Resolution 1 mV at 1.00 V. PAL 0.700 V ±0.5%.
DC Restorer
Clamp Point Back porch or Sync Tip.
Mains Hum Atten.
tt
nuation 10
.
Slow Clamp ≤0.9 dB.
Fast Clamp ≥26 dB.
Shift caused by pres-
ence or absence of
burst
NTSC = 1 IRE.
PAL = ≤7 mV.
Lum/Chroma Gain Ratio
NTSC
(50 kHz – 3.58 MHz)
1:1 ±1%.
ju
t to
ini
iz
lu
i
nance-to-chrominance gain
PAL
(50 kHz – 4.43 MHz)
1:1 ±1%.
o
at 1 V Full Scal
,
typically ≤0.5%.
Noise Measurements
Accuracy To 56 dB within 1 dB.
To 60 dB within 2 dB.
Relative to 700 mV
RMS
.
VAR GAIN adjusted to
maximum.
Offset Accuracy To 56 dB within 0.5 dB.
To 60 dB within 1 dB.
