TY - JOUR AU - P. Rakshit AU - G Ghosh AU - P. Saha AU - B. Nag PY - 2014/01/31 Y2 - 2024/03/29 TI - 8 GHz Tunable Gunn Oscillator in WR-137 Waveguide JF - Defence Science Journal JA - DSJ VL - 33 IS - 1 SE - General Papers DO - 10.14429/dsj.33.6093 UR - https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6093 AB - The conventional technique of realising waveguide resonators for Gunn diode oscillators to operate at the band edge of the waveguide fails owing to the excitation of a coaxial mode resonance formed by the post and the side walls of the waveguide. One of the solutions to the problem is to mount the diode in a ridged waveguide resonator. This has been demonstrated by constructing an 8 GHz Gunn oscillator using a single ridge in WR-137 waveguide.The steps in designing the oscillator system are also presented. ER -