Simplified Analysis of Resistive Mixers

This letter gives a simple method for calculation by hand of the conversion efficiency of resistive mixers. The method assumes the same embedding impedances at all mixing frequencies and the mixing element is modeled as a time varying reflection coefficient. This gives simple expressions for the con...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2007-08, Vol.17 (8), p.604-606
Main Author: Yhland, K.
Format: Article
Language:English
Subjects:
Amplitude modulation
Applied sciences
Circuit properties
Computational efficiency
Computing time
Conversion
Delay effects
Diffraction, scattering, reflection
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Filters
Frequency
Impedance
Local oscillators
Mathematical models
Microwave
Microwave devices
Microwaves
Mixers
Oscillators
Oscillators, resonators, synthetizers
Process design
Radiocommunications
Radiowave propagation
Reflection coefficient
resistive
Signal convertors
Switches
Telecommunications
Telecommunications and information theory
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Summary:This letter gives a simple method for calculation by hand of the conversion efficiency of resistive mixers. The method assumes the same embedding impedances at all mixing frequencies and the mixing element is modeled as a time varying reflection coefficient. This gives simple expressions for the conversion efficiency. It, therefore, allows analytical parameter studies of the impact of the embedding impedance and parameters of the mixing element on the conversion efficiency. The theory is developed in two stages. First at optimum local oscillator power and second for arbitrary power. The theory agrees well with verifying measurements made on a field-effect transistor (FET)-based resistive mixer.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2007.901785