Specifications
1780R-Series Operator’s Manual 5–5
Table 5–2: Waveform Monitor Vertical System (Cont.)
Characteristics Supplemental
Information
Performance
Requirements
Vertical Overscan
Baseline Distortion <7 mV variation in baseline of
chroma when positioned any-
where between sync tip and
100% white.
1 V p-to-p PAL or NTSC
Modulated Sin2 composite
video signal (12.5T NTSC,
10T PAL).
1.0 or X5, Variable Gain off.
Typically <0.5%.
DC Channel Matching Typically within 30 mV.
Common Mode Rejection A – B1 B1 – B2 /
B1 – B3 1 V p-to-p common mode
signal.
60 Hz ≥46 dB ≥46 dB
15 kHz (Lum) ≥46 dB ≥46 dB
1 MHz ≥40 dB ≥34 dB
A
– B1 typically
4d d
3.58 or 4.43 MHz
(Chroma) ≥34 dB ≥34 dB >
4
6
d
B to 6 MHz an
d
>40 dB to 10 MHz.
Filters
Luminance <3 dB down at 1 MHz; ≥40 dB
down at 3.58 or 4.43 MHz.
Low Pass ≥14 dB down at 500 kHz. Typically –3 dB at 300 kHz.
Chrominance
3.58 MHz ±1% of flat at 3.58 MHz.
–3 dB points:
Lower: 2.83 ±0.15 MHz.
Upper: 4.33 ±0.15 MHz.
4.43 MHz ±1% of flat at 4.43 MHz.
–3 dB points:
Lower: 3.68 ±0.15 MHz.
Upper: 5.18 ±0.15 MHz.
Specifications
1780R-Series Operator’s Manual 5–5
Table 5–2: Waveform Monitor Vertical System (Cont.)
Characteristics Supplemental
Information
Performance
Requirements
Vertical Overscan
Baseline Distortion <7 mV variation in baseline of
chroma when positioned any-
where between sync tip and
100% white.
1 V p-to-p PAL or NTSC
Modulated Sin2 composite
video signal (12.5T NTSC,
10T PAL).
1.0 or X5, Variable Gain off.
Typically <0.5%.
DC Channel Matching Typically within 30 mV.
Common Mode Rejection A – B1 B1 – B2 /
B1 – B3 1 V p-to-p common mode
signal.
60 Hz ≥46 dB ≥46 dB
15 kHz (Lum) ≥46 dB ≥46 dB
1 MHz ≥40 dB ≥34 dB
A
– B1 typically
4d d
3.58 or 4.43 MHz
(Chroma) ≥34 dB ≥34 dB >
4
6
d
B to 6 MHz an
d
>40 dB to 10 MHz.
Filters
Luminance <3 dB down at 1 MHz; ≥40 dB
down at 3.58 or 4.43 MHz.
Low Pass ≥14 dB down at 500 kHz. Typically –3 dB at 300 kHz.
Chrominance
3.58 MHz ±1% of flat at 3.58 MHz.
–3 dB points:
Lower: 2.83 ±0.15 MHz.
Upper: 4.33 ±0.15 MHz.
4.43 MHz ±1% of flat at 4.43 MHz.
–3 dB points:
Lower: 3.68 ±0.15 MHz.
Upper: 5.18 ±0.15 MHz.