Abstract
In this paper a Terahertz (THz) Ballistic Deflection Transistor (BDT) Travelling-Wave-Amplifier (TWA) with a THz Ring Hybrid Coupler is developed. The BDT is a novel device based on InGaAs/InAlAs/InP, which is capable of operating at THz frequencies. With the newly developed THz Ring Hybrid Coupler based on the Parallel Plate Dielectric Waveguide with Signal Line (PPDWS) implemented, we are able to increase the ADS simulated gain of a 24-stage BDT TWA to 17dB at 1.02– 1.14THz. This result compensates the low trans conductance of the BDT and shows the BDT TWA as a leading candidate for future THz Amplifier Designs.
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