330G Broadband High Order Harmonic Frequency Doubler

Abstract

In this paper, the R band (220-325GHz) five-fold module is designed using a reverse parallel Schottky varactor diode pair produced by Teratech. The reverse parallel diode pair is used to generate the nonlinear components with harmonic input in V band (50-75GHz).The electromagnetic three-dimensional model of Schottky diode is simulated, the parasitic effect of the diode is considered, and the detailed design method of each part is given. The quintuple multiplier has a maximum output power of -9dBm at 220-330GHz.The designed frequency multiplier experiment test shows that when the input power is 5dBm, the output frequency range is 260-330GHz, the output power is greater than -11dBm, the conversion loss is less than 16.5dB, and the width between the band is up to 23%.Compared with the previous academic results, the proposed drive power is smaller, the harmonic frequency is higher, the frequency band is higher, especially the band width is more than 20 GHz.