広帯域ペン書きオシログラフの一方式と試作

概要

論文の詳細を見る
Here, we designed and tried the wideband pen-writing oscillograph, in which the periodic signals of high frequency are converted into low frequency firstly, and then these signals can be recorded directly by a pen-writing device easily. Now, the sampling pulse train, which has been adopted in the conventional sampling-scope, is not necessarily suitable for the use of continuous pen-writing of signals. Moreover, one way of wideband pen-writing was proposed already, but in the device, not only another reference voltage was needed, but also the adjustment of automatic-compensating circuit was complicated. Here, we prepare firstly a pulse-circulating system by the combination of mono-multi vibrators and logic circuits. Then, in this system, the continuous delayed pulse train is obtained successively in accordance with the standard pulse, which is synchronized to the input signal. In this case, the interval of the above pulse train is apt to vary, by the reason of temperature variation and the others. But, the above variation is stabilized sufficiently, by the optimal design of the multi-vibrator and by the utilizing of the negative feedback of automatic compensating circuit. Finally, by the sampling system, using the above stabilized delay pulse train, the frequency coversion of the signals is attained easily. And the wideband signals, converted, adaptively, can be recorded directly by pen-writing device.
信州大学工学部の論文
1973-07-25