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Transcript
Test Pattern Generator Student: Gabriel Horner Supervisor: Paul Maley Mentor: Alain Guy Goals: To build a test pattern generator and learn practical skills for building circuits. Theory Electron beam(s) are deflected by vertical and horizontal coils. Magnetic coil: Converts voltage signal to magnetic fields to deflect beams Additive Primaries and Shadow Mask One slot of shadow mask to one triad Scanning Vertical scan frequency, horizontal scan frequency: 25*625 = 15.625 KHz Interlaced scanning: reduce bandwidth TPG Circuit Clock Signals Monitor Circuit What did I learn? Circuit design principles Reinforced analog and digital theory Testing and debugging circuit Manual skills: soldering, scraping copper Shaping a signal TPG in Action Hopefully! Acknowledgements