Mario Sanchez wrote:
Hi all,
I am starting building a DMTD, and for simplicity reasons I started with
active mixers...
What are the advantages/disadvantages of using passive mixers instead?
Someone has had the experience to compare them?
As LO, I am using a Synthesizer whose amplitude is approx 500mVpp, and the
RF signal could be between 500mVpp - 2.8Vpp
Thanks in advance for you input...
Regards,
Mario
Mario
Active mixers almost invariably have a higher noise floor than passive
mixers, particularly in the flicker noise region.
Consequently a DMTD system using active mixers will have a higher system
noise floor than one using active mixers.
Bruce
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