Toshiba RF Receiver for HDTVPresentation 17: 03/31/2005

Team:Josue Caballero, Brett DiCio, Daniel Hooper,

Efosa Ojomo, George Sewell

Last week• Built a better shield

• Contacted Bonitron, but did not get a reply

• Built and tested a pair of spiral transformers

• Met with Professor Cook and Wells

• Obtained contact with Janice Rock of AMCOM RF department

Planned for Last week

• Bonitron• Transformer/Magnetic wire coils

– Rebuild EVERYTHING!– ...and re-test

• Better shield...• ..more...

Better shielding built with large box and aluminum foil

Shielding

Meeting with Prof. Cook and Wells

• Discussed our current experiments and designs• Suggested building and testing a spiral antenna• Built and tested a spiral antenna, but did not get

better results• Aluminum foil wont be the ideal shield

– Need thicker sheets of Al, or use Cu• “You’d have to drive the hell out of that coil to

see a field at 1cm” - Wells

Next Week

• Receive the magnetic wire• Establish a conversation with Janice Rock• Get RF Toolbox for Matlab• Regroup

– Wrap up research and simulations– Assemble Research Data– Assign further tasks

• Begin work on final report