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CV-1255 본문
Vectorscopes
CV-1255 |
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Outline |
The CV-1250/1255 are NTSC/PAL vectorscopes which can display the amplitude and phase of the chrominance component of the video (composite video) signal in the form of vectors. An 150 mm high-intensity CRT is used to enable the observation of the hue and saturation of composite video signal based on the NTSC or PAL format. The auto-focusing function makes the observa-tions more accurate and smoother. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Features |
●High-intensity CRT (12 kV) An 150 mm, rectangular CRT with internal graticule is driven at an accelerating voltage of 12 kV to allow bright, easy-to-see observations free of parallax. ●Auto-focusing The auto-focusing function allows you to observe complex video signals more accurately and more smoothly. ●Scale illumination The scale illumination is used to facilitate observations under low light conditions. When taking pictures, the illumination allows you to photograph the scale together with the waveforms. ●Loop-through configuration The A input, B input and C input are looped through and each of them can internally be terminated at 75Ω with a rear panel switch. ●UNCAL indicator The UNCAL lamp lights up to indicate the uncalibrated condition when the GAIN control is in other position than the calibration position. ●Other features ●The Z axis input connector for blanking is provided so the line selection is possible by connecting a waveform monitor (CV-1240 or CV-1245). ●The saturation can be switched to 75% and 100% with a front panel switch. ●The scales for measuring the differential gain and differential phase are provided. ●The setup can be switched to 0% and 7.5% from the front panel (CV-1250 only). ●Two units can be mounted side-by-side in a generally-marketed 19" rack. ●A spot killer is provided to prevent the CRT burn when there is no signal input. ●The supply voltage can be switched on at the rear panel. ●SPECIFICATIONS
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