Specifications
Table 2 6: Misce
llaneous measurements and displays
Characteristic Performance requirement Reference information
Errors and Ala
rms
(See Table 46.)
EDH Error Statistics Displays errored seconds and fields, and
percentage of fields with errors for Active
Picture CRC
, Full Field CRC, and EDH
Error conditions.
Option Char
acteristics
The characteristics in this section are option-specific and apply to instruments
equipped with the specified option.
Video Opt
ion CPS
Option CPS (Analog Composite) is available for the WVR6020, WVR7020, and
WVR7120. The following tables list the the characteristics specifictoOptionCPS.
Table 27: Composite analog waveform vertical characteristics (Option CPS)
Characteristic Performance requirement Reference information
Displayed Vertical Measurement
Accuracy
± 1% all gain settings.
Measured using cursors.
Frequency Response
Flat to 5.75 MHz ± 1%.
Typically +0.4% to 5.75 MHz.
Delay Variation over Frequency “10 ns to 5.75 MHz”. Typically < ± 2.0 ns.
Transient Response on sine
squared 2T4 pulse
Pulse-to-Bar Ratio 0.99:1 to 1.01:1
Pre-shoot
≤1%
Overshoot ≤1%
Ringing
≤1%
Luma Filter Gain 1 ± 0.1% relative to flat gain at 50 kHz.
Luma F ilter Response < 3 dB attenuation at 800 KHz.
> 32 dB attenuation at FSC.
Filter meets STD-205.
Chroma Filter Gain 1 ± 1.0%, relative to flat gain.
Chroma Filter Response 3 dB bandwidth 3.3 MHz for PAL, 2.4 MHz
for NTSC ± 0.3 MHz.
F
SC
auto selected based on input standard,
Implemented digitally, may not be centered
on Fsc.
Chroma Filter Attenuation at 2X
FSC, Composite only
≥ 25 dB
Implemented Digitally, Typically 28 dB for
NTSC, 53 dB for PAL.
Field Rate Tilt
< 0.5% with DC restore Fast or Off.
Waveform Rasterizers Specifications and Performance Verification 1 5
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