Optimize benefits of subharmonic mixers

Subharmonic mixers benefit from the capability of working with a local-oscillator (LO) frequency that is a fraction of the frequency of incoming RF signals. For example, a system operating at 38 GHz with a second-subharmonic mixer requires an LO of only 19 GHz, which is considerably easier to design...

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Bibliographic Details
Published in:Microwaves & RF 2003-06, Vol.42 (6), p.76-86
Main Author: DONISI, Tony
Format: Magazinearticle
Language:English
Subjects:
Applied sciences
Circuit properties
Design
Designers
Diodes
Electric, optical and optoelectronic circuits
Electromagnetism
Electronic circuits
Electronic design automation
Electronics
Exact sciences and technology
Microwaves
Product design
Radio frequency
Signal convertors
Simulation
Software
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Summary:Subharmonic mixers benefit from the capability of working with a local-oscillator (LO) frequency that is a fraction of the frequency of incoming RF signals. For example, a system operating at 38 GHz with a second-subharmonic mixer requires an LO of only 19 GHz, which is considerably easier to design and less expensive to obtain than an LO operating closer to the nominal RF. To operate with even lower-frequency LOs, higher-order subharmonic mixers can also be used.
ISSN:0745-2993
2162-1411