Seasoned RF Engineer
#3
#5
Analog is preferred...Transmitter will be up to 8 channels on one end and receiver up to 8 channels on the other end....The transmitter will be powered by a 9 volt battery....Packaging, the board, antenna and battery will be housed in a 2.5" x 4" +/- case....A key pad up to 6 channels will be located on top of the case... Clock time will be 250 ms. or less....Range will be 300 ft. uninterrupted, w/the users body between the transmitter and receiver (The body is a bag of salt water, which can be hard to drive the signal through. )
Receiver will be open chassis with a foot print as required....Output will be dry contact relay or transistor....Power will be 18 volt DC, 120 AC or 240 AC in., 12 and/or 24 out.
Transmitter and receiver will be licensed, part 15.
Spread spectrum or similar is acceptable.
Zigbee, TI and other digital chips may not work, primarily because of range.
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#8
__________________
-Wally
Money can't buy happiness, but it can buy horsepower. And I've never seen a sad person hauling a$$!
-Wally
Money can't buy happiness, but it can buy horsepower. And I've never seen a sad person hauling a$$!
#9
#10
Me...no...but i did put 3 emails out to the guys i worked with that are still in the industry to see if anyone is interested. Hopefully if they arent busy they can help ya...give Mangle a shout too...im sure since he is school they can do it a class project or something...
__________________
-Wally
Money can't buy happiness, but it can buy horsepower. And I've never seen a sad person hauling a$$!
-Wally
Money can't buy happiness, but it can buy horsepower. And I've never seen a sad person hauling a$$!





