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Automatic error rate measurement device

阅读:689发布:2021-12-06

专利汇可以提供Automatic error rate measurement device专利检索,专利查询,专利分析的服务。并且PURPOSE:To secure an automatic measurement of the code error rate by means of the means which varies the noise level automatic. CONSTITUTION:When reset switch 108 is turned on, noise level setting signal 11 and mode selection signal 12 and 13 are transmitted from controller 107. And at the same time, the measurement time is set. With application of signal 11 to programable resistance attenuator 104, the noise level is varied automatically by 1dB for noise signal generator circuit 5 and then transmitted in the form of signal 4. On the other hand, transmission code 1 generated at error rate measurement circuit 101 is sent to modulation board 102a which is measured subject 102 and undergoes the phase modulation to be compounded with noise level signal 4 at hybrid 103. In the lapse of a fixed time, counter 106 operates to decode error pulse 8 under the measurement state.,下面是Automatic error rate measurement device专利的具体信息内容。

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