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Leader 435B Pattern Generator
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- 1000 Line Monoscope Pattern
- Full Field and SMPTE Color Bars
- Pulse/Bar and Modulated 12.5T Pulse
- Line Sweep with Markers
- Modulated 5-Step Staircase
- Dot/Crosshatch
- Window Pattern
- Character (Computer Style) Pattern
- R, G, B, White and Magenta Rasters
- RF (CH3/4), Composite Video and Audio Out
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| Model |
Description |
List Price |
Sale Price |
| 435B |
Monoscope Pattern Generator - Discontinued - replaced by Leader LT436NP |
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The monoscope test pattern was first used by broadcasters to provide a test pattern for receiver adjustments. It employed a special analog generator using an engraved CRT with precision deflection. Digitally synthesized generators followed but were prohibitively expensive. Leader now offers the 435B that features a digitally-generated monoscope pattern with wedges calibrated to read up to 1000 lines of TV resolution - the ideal source to test and offer proof of performance for high-performance TV monitors and VCRs. The monoscope pattern also offers perfect geometry for precise deflection size and linearity adjustments, provides resolution patterns in the corners to check corner focus, includes a 10-step grayscale to check tonal range and calibrated markers to check line-rate tilt (the cause of H streaking) and ringing. To round out the 435Bs value as a professional generator, it offers pulse and bar signal for critical chroma-delay checks, a line rate sweep for frequency response, a window signal for tilt/shading checks and a modulated staircase for linearity measurements. Both full field and SMPTE bars are included and color bars may be superimposed on the monoscope pattern. Monoscope, dot/crosshatch, window and character patterns may be inverted for a negative image. |
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