TECHNICAL NOTE NO. 3 WIDE BAND ELECTRONICALLY TUNABLE FILTERS Covering the period 1 February to 31 May 1963

摘要

Progress on YIG nonreciprocal filters at 1 to 18 Gc Is discussed. Four-stage, bandpass filters at X- and Ku-bands are nearing completion. Two-stage, bandpass filters at L-, S- and C-bands are in various stages of completion. A three-stage band-reject filter at X-band is nearing completion while band-reject filters at L-, S- and C-bands are in various stages of completion. A power supply to sweep the filters has been designed and constructed.