I'm looking to build a device and am not sure of the best way to go about, 
thought I'd see if anyone has any unique ideas or best methods.
I'm looking to build a broadband RF generator for personal security useage 
that can jam or interfere with low power signals which are in a very direct 
vicinity,.. for instance, within a household..  I'd want the generator to 
output fairly uniform noise from 20MHz to about 600MHz.  I figure a numberof 
techniques could be used. You could either have a true wideband noise source, 
but Ihave no idea exactly how you would create that. Or you could do a 
impler
technique and just have a series of low powered VFO transmitters. And each 
FO
"sweeps" a limited range of frequencies, over and over in a cycle very 
rapidly.   
As far as the true broadband RF noise source, how could that be created
(preferably at a low power so that it doesnt propagate too far down the block 
interfereing with peoples televisions).?
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