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Millimeter-wave frequency multiplier of four

Author: CuiYing
Tutor: XuJun
School: University of Electronic Science and Technology
Course: Radio Physics
Keywords: Microwave Millimeter Frequency multiplier Balancing circuit
CLC: TN771
Type: Master's thesis
Year: 2008
Downloads: 326
Quote: 1
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Abstract


Solid-state microwave and millimeter wave frequency multiplier is a modern electronic system a key component , both in RF system or in the microwave , millimeter wave systems , their performance directly affects the electronic system 's overall performance. This paper studies the issue Q -band full-band four point multiplier and U-band frequency four multiplier . In the development of four Q -band frequency multiplier , the first based on the indicator , the development of the microwave second harmonic ( single ) - Filter - Zoom - millimeter wave doubler ( equilibrium structure ) - Zoom - then amplified basic scheme . Second, using a balanced structure and the Schottky barrier diode of the output frequency is 33 ~ 50GHz passive millimeter wave doubler structures for a variety of attempts . In this process, we first analyzed the various equilibrium structure , developed for the two frequency multiplier provides a theoretical basis . Then use HFSS and CST simulation software such as frequency multiplier circuit model simulation and analysis , thus avoiding manual debugging of blindness, a significant reduction in the development, debugging time and cost. In the second chapter of this thesis , we study the microstrip line structure fin - waveguide transition and using a balanced circuit form and waveguide - microstrip transition to the design of the passive two conversion multiplier for Q -band four octave topics the development of the foundation . In the third chapter describes four multiplier overall circuit design, processing and testing, including broadband microstrip bandpass filter design is difficult . Next comes U-band frequency quadrupler point of production, which includes power splitters and the narrow band -pass filter simulation , single selection , the bias circuit design and the overall circuit implementation and testing. The design of the U-band dual-channel four multiplier is University project U-band transceiver system, a component of its overall design scheme: input - active doubler - Filter - Power Splitter - Active twice frequency - filters - amplifier - two outputs. We tested it , the results show that it works well for the U-band transceiver system provides the local oscillator .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Multiplier, divider,inverter > Frequency multiplier
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