Sep 6, 2007 #1 L liberal Advanced Member level 4 Joined Nov 25, 2004 Messages 105 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,296 Activity points 828 i want to design a signal source to generate 50-310MHz.but no VCO coverage this range.any goog idea?
Sep 6, 2007 #2 E Eugen_E Full Member level 6 Joined Nov 29, 2004 Messages 383 Helped 44 Reputation 86 Reaction score 11 Trophy points 1,298 Location Romania Activity points 2,862 Re: signal source design You can generate this by mixing 2 signal sources, for example a constant 1GHz source and a VCO that covers 1.05GHz - 1.31GHz. Use a good filter at the output. If spectral purity is not a concern, there are ring VCOs that can cover this domain. For VCO, look at MiniCircuits website.
Re: signal source design You can generate this by mixing 2 signal sources, for example a constant 1GHz source and a VCO that covers 1.05GHz - 1.31GHz. Use a good filter at the output. If spectral purity is not a concern, there are ring VCOs that can cover this domain. For VCO, look at MiniCircuits website.
Sep 7, 2007 #3 Z zhonghua_li Junior Member level 2 Joined Aug 27, 2006 Messages 23 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,281 Activity points 1,420 signal source design you can generate a signal from 25-155MHz by DDS(eg. AD9954),and multiply the signal with 2, will get 50-310MHz
signal source design you can generate a signal from 25-155MHz by DDS(eg. AD9954),and multiply the signal with 2, will get 50-310MHz