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| The cheap frequency meter using CA3130 and LM555 Posted: 14 Jan 2013 08:02 PM PST The electronics are still used to use a frequency generator circuit beuause It is important. And are used a lot in electronic circuits, both sine, square wave and more. In every time related to the frequency. What that we want to know is how much frequency. For laboratory common standards. We have many tools available to measure frequency. for example, the Oscilloscope and The Digital frequency counter) But those tools. Usually too expensive. For small laboratories. We Usually want to know how often only approximate. This cheap frequency meter circuit that we show to you. Suitable for general use in small laboratories. Because cheap, easy to build. And Qualified enough. For applications most of the electronics amateur. It can be shown that the frequency read directly from the meter. Can measure the frequency of 100 Hz (full scale) to 100KHz (full scale). By the characteristics of the waves do not [...]  |
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