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示波器是維修各類電子設備中必備工具之一

作時間:2012-07-04  來源:www.a3025.cn  作者:
   

 

                                                                                                                                                                         
  示波器是一種能將電信兮用圖形方法斌示當來的電子儀器;它不只可用來察看電壓、電流的波形,測定電壓、電流二功串,并且還可用來定量地測一量旌旗燈號的頻率、幅度、相位、寬度、調整幅度、幅頻特征、相頻特征等參數。示波器還可以同其他儀器相連系,測定電路的輸入阻抗,愉出阻抗。反省各類元器件的參數,反省電路的任務形態和掉真狀況,以及對各類非電量的測量。示波器在維修各類電子設備中是必不成少的首要東西之一。
    示波器的品種良多,如通俗陰極射線示波器,脈沖示波器、寬帶示波器、取樣示波器、記憶示波器、邏輯示波器等,還有一些其他專用示波器,如各類圖示儀、暫態持性示波器等。固然示波器品種繁復,道理構造復雜,但其荃來源理、構造特點和運用維修辦法是迥然不同的。只耍我們把握了個中一、二種,其他類型的示波器也就不難了解了。

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