Video Pattern Generator

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Can anyone give me the project Report of this video pattern generator?
 

crosshatch generator circuit

I am looking for horizontal and vertical line pattern generator and also target ring with cross pattern genarator for mono monitor. Please suggest.

Regards,

Anil Sharma
 

I built it but it generates only 2 patterns and only one colour (depending on the trimmer). On osci I get some spykes on the subcaryer. Can anyone help me?
 

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