Design and production of a simple digital frequency meter display. (B) 1. The basic requirements of (1) a. measuring range frequency measurement signal: square wave, sine wave range: 0.5V ~ 5V [Note] frequency: 1Hz ~ 1MHz b. test error of ≤ 0.1 (2) cycle measurement a. measuring range signal: square wave, sine wave range: 0.5V ~ 5V [Note] frequency: 1Hz ~ 1MHz b. Error ≤ 0.1 Test the keyboard from top to bottom, left to have followed: 1 2 3 4 5 67,890. confirm

简易频率计.ppt

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