鑛石檢波器の特性について(II) : 感度の分布と周波數特性(物理學)
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A cat-whisker was moved along the surface of the sample crystal, and the variation of characteristics from point to point was measured. Over the same location of a sample crystal good agreements were obtained between the distribution charts of different kind of characteristics, for D.C., 50 cycle A. C. and high frequencies. On some part of surface of some silicon crystals the direction of the rectified current was different from that of others. In the case of many galena detectors, the direction of rectified current of the electro-magnetic Waves of the order of 10 M.c. was opposite at lower applied voltages to that of lower frequencies. The effect of the bulk body and soldered contact on the static characteristics was also investigated. It was found that the resistance of the soldered contact is so small and steady that it does not play an appreciable role in the anomalous phenomena mentioned above.
- 宇宙航空研究開発機構の論文
- 1950-01-25
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