TM-PI frequency tripler based on double-balance frequency mixing

Abstract

The invention belongs to a wireless communication technology, and relates to a frequency multiplier in a radio frequency transceiving system, in particular to a TSM-PI frequency tripler based on double-balance frequency mixing, which is used for solving the problems of low conversion efficiency, narrow bandwidth, poor harmonic suppression degree, large chip occupied area, high power consumption and the like of the existing self-mixing frequency tripler. The frequency tripler mainly comprises a frequency doubling stage, a frequency mixing stage and a TSM-PI transformer; a Push-Push frequency doubler is adopted as the frequency doubling stage, a double-balanced mixer is adopted as the frequency mixing stage, and the harmonic suppression degree of the frequency tripler can be improved; by adopting the TSM-PI transformer structure, the conversion gain of the frequency tripler can be improved, the working frequency bandwidth of the frequency tripler is expanded, and the device performance is further improved. In conclusion, according to the TSM-PI frequency tripling based on double-balance frequency mixing, the suppression degree of the device on each harmonic can be improved, the device can work at higher frequency and wider bandwidth, meanwhile, the conversion gain of the device is effectively improved, the power consumption of the device is reduced, and the area of a chip is reduced.

Description

technical field [0001] The invention belongs to wireless communication technology, relates to a frequency multiplier in a radio frequency transceiver system, and specifically provides a double-balanced mixing-based TSM-PI (Transformer-based self-mixing with Peaking inductor, transformer self-mixing with peaking inductor) triple frequency converter. Background technique [0002] With the rapid development of the Internet of Things and wireless communication technology, people put forward a series of requirements for the RF transceiver system, such as higher frequency, smaller size, lower power consumption, and higher reliability. As one of the cores of the RF transceiver module, The performance of the frequency multiplier (Frequency Multiplier) directly affects the accuracy of signal transmission and reception, so the frequency multiplier is facing great demands and challenges. As the number of frequency multiplication increases, the conversion gain (Conversion Gain, CG) of ...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a self-mixing frequency tripler based on double-balanced frequency mixing for the problems of low conversion efficiency, narrow bandwidth, relatively poor harmonic suppression, large chip area, and high power consumption in the existing self-mixing frequency tripler. TSM-PI frequency tripler; the present invention adopts the TSM-PI triple frequency structure of double-balanced frequency mixing, which effectively improves the degree of suppression of the fundamental wave, and at the same time, the TSM-PI structure can improve the conversion gain of the device and expand the device's operating bandwidth; and, relative to the tripler frequency multiplier based on the quadrature mixer, the present invention can effectively reduce power consumption and chip occupation area through reasonable layout design

Images